Service manual Mercedes-Benz M278 Engine | Up to 2020 incl.

Drain/pour in coolant Model 217 with engine 157, 276, 278, 279 Model 222 with engine 157, 276.8/9, 277, 278, 279, 642, 651
Remove/install belt pulley/vibration damper Engine 157, 276, 278 in model 166 Engine 157, 276, 278 in model 292 Engine 276 in model 251
Drain/pour in coolant Engine 276 in model 204 Engine 276.9, 278 in model 207
Remove/install heated O2 sensor ENGINES 156, 157, 272, 273, 275, 276, 278 in MODEL 221 ENGINES 156, 157, 273, 275, 278 in MODEL 216
Drain/pour in coolant Engine 157, 276, 278 in model 231
Replace front crankshaft radial sealing ring Engine 157, 278 in model 166 Engine 157, 278 in model 292
Inspect cooling system for leaks Engine 157, 276, 278 in model 212, 218
Check main circuit coolant level Engine 157, 276, 278, 279 in model 231
Install front crankshaft radial seal Engine 152.9, 157, 276, 277, 278, 279
Inspect cooling system for leaks ENGINES 156, 157, 272, 273, 275, 276, 278, 642, 651 in MODEL 221 ENGINES 156, 157, 273, 275, 278 in MODEL 216
Remove/install starter Engine 157, 278 in model 212, 218 Engine 278 in model 207
Drain/fill low-temperature circuit coolant Engine 157, 276, 278 in model 166, 292
Suction off engine oil Engine 102, 103, 104, 110, 111, 112, 113, 115, 119, 120, 133, 137, 157, 166, 270, 271, 272, 273, 274, 275 (except 275.981/983), 276, 278, 279, 285, 601, 602, 603, 604, 605, 606, 611, 612, …
Disconnect engine wiring harness Engine 157, 278 in model 166 Engine 157, 278 in model 292
Engine oil and oil filter change Engine 278 in model 207, 212, 217, 218, 222, 231
Remove/install poly-V belt Engine 157, 278 in model 166 Engine 157, 278 in model 292
Notes on sealant path for front cover to cylinder head xxx Engine 152.9, 157, 176, 177, 178, 276, 278
Remove/install brake booster vacuum line Model 166 with engine 276, 278, 642, 651 Model 292 with engine 276, 278
Remove/install catalytic converter Engine 157, 278 in model 166 Engine 157, 278 in model 292
Remove/install charge air ducts Engine 157, 278 in model 166 Engine 157, 278 in model 292
Remove/install front axle Model 166 with engine 157, 276, 278, 642, 651 Model 292 with engine 157, 276, 278, 642
Remove/install retaining lock for crankshaft/ring gear ENGINES 272 in MODEL 204.05 /25 /95 /06 ENGINES 272, 273, 276, 278 in MODEL 207 ENGINES 276 in MODEL 204.05 /25
Remove/install left oxygen sensor upstream of catalytic converter Engine 157, 278 in model 217, 222
Pour in coolant and bleed cooling system Engine 133, 139, 152, 155, 156, 157, 159, 176, 177, 178, 260, 270, 271, 272, 273, 274, 275, 276, 277, 278, 279, 282 Engine 157, 176, 177, 279, 642 Engine 607, 608, 628, 629, 642, 651
Replace coolant 09.08.2018 Engine 156, 157, 271, 272, 273, 274, 276, 278, 642, 651 in model 212 Engine 157, 274, 276, 278, 642, 651 in model 218 Engine 157, 276, 278, 642, 651 in model 166 Engine 271, 272, 273, 274, 276, 278, 642, 651 in model 207
Remove/install components for exhaust system Model 166 with engine 276 Model 166 with engine 278
General information on work on gasoline direct injection system Engine 133, 139, 152, 157, 176, 177, 178, 260, 264, 270, 274, 276, 278, 282 Engine 254.9 Engine 256.9 Engine 271.8, 272.9
Remove/install low-temperature circuit expansion reservoir Engine 157, 278 in model 166, 217, 222, 292
Remove/install heated O2 sensor ENGINE 157, 278 in MODEL 231
Remove/install right catalytic converter Engine 157, 276.8, 278, 279 in model 217 Engine 157, 276.8/9, 277, 278, 279 in model 222
Remove/install flywheel / drive plate ENGINE 276 in MODEL 204 ENGINE 276, 278 in MODEL 207
Remove/install heated O2 sensor ENGINES 157, 278 in MODEL 166
Remove/install belt drive components Engine 157, 278 in model 212, 218 Engine 278 in model 207
Remove/install injection system control unit Engine 157, 278 in model 166 Engine 157, 278 in model 292
Remove/install injection system control unit ENGINE 157, 278 in MODEL 217 ENGINE 157, 278 in MODEL 222
Remove/install components for exhaust system ENGINES 156, 271, 272, 276 in MODEL 204 ENGINES 271, 272, 273, 276, 278 in MODEL 207
Notes on sealant path for cylinder crankcase ENGINE 152.9, 157, 276, 278
Remove/install engine oil cooler 03.07.2013 ENGINE 157, 278 in MODEL 212, 218 with CODE 139 (M157/M278 engine cooling measures) ENGINE 278 as of 3/1/12 in MODEL 207.3/4 with CODE 139 (M157/M278 engine cooling measures)
Remove/install transmission with torque converter 06.03.2020 Transmission 725.0 in model 207 with engine 642 except code M005 (Vehicles with 4MATIC/all-wheel drive) Transmission 725.0 in model 207, 212, 218 with engine 651 except code M005 (Vehicles with 4MATIC/all-wheel drive) Transmission 725.0 in model 212 with engine 642 except code M005 (Vehicles with 4MATIC/all-wheel drive) Transmission 725.0 in model 218 with engine 276 except code M005 (Vehicles with 4MATIC/all-wheel drive) Transmission 725.0 in model 218 with engine 278 except code M005 (Vehicles with 4MATIC/all-wheel drive) Transmission 725.0 in model 218 with engine 642 except code M005 (Vehicles with 4MATIC/all-wheel drive)
Remove/install transmission with torque converter Transmission 725.0 in model 217, 222 with engine 278 Transmission 725.0 in model 222 with engine 276
Check main circuit coolant level 24.02.2015 ENGINE 111, 112, 113, 271, 272, 611, 612, 642, 646 in MODEL 203 156, 157, 271, 272, 273, 274, 276, 278, 642, 651 in MODEL 212 156, 157, 272, 273, 276, 278, 629, 642, 651 in MODEL 221 156, 157, 273, 278 in MODEL 216 156, 271, 272, 274, 276, 642, 646, 651 in MODEL 204 157, 274, 276, 278, 642, 651 in MODEL 218 271, 272, 273, 274, 276, 278, 642, 651 in MODEL 207 273, 629, 642 in MODEL 164.8 275 in MODEL 216, 221 Main circuit
Remove/install engine with front axle carrier Model 166, 292 with engine 157, 278
Remove/install oxygen sensors Engine 157, 278 in model 166 Engine 157, 278 in model 292
Remove/install engine mount or engine crossmember at the rear ENGINES 272, 273, 276, 642 in MODEL 221.08 /18 ENGINES 273 in MODEL 216.38 ENGINES 278 in MODEL 221.094 /194, 216.39
Remove/install refrigerant compressor Engine 157, 276, 278, 642 in model 292 Engine 157, 276, 278, 642, 651 in model 166
Check connecting rod bolts Engine 133, 152, 157, 270, 276, 278 Engine 157 Engine 274 except code 494 (US version)
Remove/install center exhaust system Engine 157, 276, 278 in model 166 Engine 157, 276, 278 in model 292
Replace main circuit coolant Engine 157, 276.8, 278, 642 in model 292
Remove/install flywheel / drive plate Engine 157, 276, 278 in model 218 Engine 157, 278 in model 212 Engine 276 in model 212 (except 212.095/195)
Remove/install retaining lock for crankshaft/ring gear Engine 157, 276, 278 in model 217 Engine 157, 276, 278 in model 222
Remove/install expansion reservoir Model 217 with engine 157, 276, 278, 279 Model 222 with engine 157, 256, 276.8/9, 277, 278, 279, 642, 651
Tightening procedure for exhaust manifold Engine 157, 276, 278
Remove/install charge air ducts Engine 157, 278 in model 212, 218 Engine 278 in model 207
Remove/install lower engine compartment lining 14.05.2018 Model 204.0/2 with engine 156, 271, 272, 274, 276 Model 204.3 with engine 156, 271, 274, 276 Model 207 with engine 271, 272, 273, 274, 276, 278 Model 212 with engine 156, 157, 271, 272, 273, 274, 276, 278 Model 218 with engine 157, 274, 276, 278
Drain/pour in coolant Engine 157, 276, 278 in model 212, 218
Remove/install engine mount or engine crossmember at the rear Model 166 with engine 276 Model 166 with engine 642 Model 166 with engine 651 Model 166, 292 with engine 157 Model 166, 292 with engine 278
Check high-pressure lines Engine 133, 152.9, 157, 176, 178, 264, 270, 271.8, 274, 276, 278 Engine 260, 282
Open close coolant line coupling Engine 133, 139, 152, 156, 157, 159, 176, 177, 178, 254, 256, 260, 264, 266, 270, 271, 272, 273, 274, 275, 276, 277, 278, 279, 282, 607, 608, 622, 626, 629, 640, 642, 646, 651, 654, 656, 780
Tightening pattern for turbocharger Engine 157, 278
Remove/install starter Engine 157, 278 in model 216, 221
Remove/install heated O2 sensor Engine 157 in model 212, 218 Engine 278 in model 207, 212, 218
Remove/install front engine mount Engine 157, 278 in model 166, 292
Remove/install pressure transducer for boost pressure control ENGINE 157, 278 in MODEL 217 ENGINE 157, 278 in MODEL 222
Notes on sealant path for cylinder head cover Engine 133, 152.9, 157, 159.9, 176, 177, 178, 260, 264, 270, 272, 273, 274, 276, 278, 282
Overview – Check engine oil level Engine 111, 112, 113, 133, 137, 139, 152, 156, 157, 159, 176, 177, 178, 254, 256, 260, 264, 266, 270, 271, 272, 273, 274, 275, 276, 277, 278, 279, 282, 285, 607, 608, 611, 612, 626, 628, 629, …
Check fuel high pressure circuit. Engine 133, 139, 152.9, 157, 176, 177, 178, 254.9, 256.9, 260, 264, 270, 274, 276, 278, 282
Remove/install engine mount or engine crossmember at the rear ENGINES 156, 157, 272, 273, 275, 276, 278, 642, 629 in MODEL 221 (except 221.08 /18 /094 /194) ENGINES 156, 157, 273, 275, 278 in MODEL 216 (except 216.38 /39)
Remove/install turbocharger with exhaust manifold Engine 157, 278 in model 166
Remove/install retaining lock for crankshaft/ring gear ENGINES 157, 273, 278 in MODEL 216 ENGINES 157, 272, 273, 276, 278 (except 272.974) in MODEL 221
Replace rear crankshaft radial sealing ring ENGINES 157, 276, 278 in MODEL 212, 218
Check main circuit coolant level Model 292 with engine 157, 276.8, 278, 642
Remove/install flywheel / drive plate ENGINES 276 in MODEL 221 ENGINES 157, 278 in MODEL 216, 221
Install rear crankshaft radial sealing ring ENGINE 152.9, 157, 278
Relieve fuel pressure Engine 133, 139, 152.9, 157, 176, 177, 178, 254.9, 256, 260, 264, 270, 274, 276, 278, 282
Attach engine suspension lug Model 166, 212, 216, 218, 221, 292 with engine 157, 278 Model 207 with engine 278 Model 217, 222, 231 with engine 157, 278
Remove/install expansion reservoir ENGINE 276 in MODEL 204 ENGINE 276, 278 in MODEL 207
Remove/install fan unit Engine 157, 276, 278 in model 212, 218
Damage profiles for a poly-V belt Engine 102, 103, 104, 111, 112, 113, 119, 120, 133, 137, 139, 152, 155, 156, 157, 159, 166, 176, 177, 178, 254, 260, 264, 266, 270, 271, 272, 273, 274, 275, 276, 277, 278, 279, 281, 282, 285, …
Remove/install engine with front axle carrier Engine 157, 278 in model 212, 218 Engine 276.9 in model 212.08/28, 218 Engine 278 in model 207
Check and correct power steering fluid level MODEL 216 with ENGINE 156, 157, 273, 275, 278 MODEL 221 with ENGINE 156, 157, 272, 273, 275, 276, 278, 629, 642, 651
Remove/install right oxygen sensor upstream of catalytic converter Engine 157, 278 in model 217, 222
Remove/install flywheel/clutch plate ENGINE 152.9, 157, 276, 278, 642.8
Oil pan and overflow tube modified TRANSMISSION 722.9 as of 21.6.10 with ENGINE 113, 156, 157, 271, 272, 273, 275, 276, 278, 642, 651
Connect cylinder leakage testing unit Engine 133, 152.9, 156, 157, 159, 260, 264, 270, 271, 272, 273, 274, 276, 277, 278, 279
Remove/install components for exhaust system ENGINES 156, 157, 273, 275, 278 in MODEL 216 ENGINES 156, 157, 272, 273, 275, 276, 278 in MODEL 221
Open and close coupling Engine 133, 139, 152, 156, 157, 176, 177, 178, 254, 256, 260, 264, 266, 270, 271, 272, 273, 274, 275, 276, 277, 278, 279, 282, 607, 608, 626, 629, 640, 642, 646, 651, 654, 656, 780
Remove/install front engine mount Engine 157, 278 in model 217, 222 with code M005 (4MATIC)
Remove/install transmission with torque converter 06.03.2020 Transmission 725.0 in model 218 with engine 278 with code M005 (Vehicles with 4MATIC/all-wheel drive) Transmission 725.0 in model 218 with engine 642 with code M005 (Vehicles with 4MATIC/all-wheel drive)
Check main circuit coolant level Engine 157, 176, 177, 256.9, 264, 276, 277, 278, 279, 642, 651, 656 in model 222 Engine 157, 176, 177, 276.8, 278, 279 in model 217
Remove/install left oxygen sensor downstream of catalytic converter Engine 157, 278 in model 217, 222
Remove/install starter Engine 157, 278 in model 217, 222
Notes on avoiding damage to ignition system Engine 133, 139, 152.9, 157, 176, 177, 178, 256.9, 260, 270, 273, 274, 276, 278, 282 Engine 254.9 in model 213 Engine 264 in model 167, 205, 213, 222, 238, 253, 257 Engine 264 in model …
Remove/install front engine mount Engine 157, 278 in model 217, 222 except code M005 (4MATIC)
Remove/install engine mount or engine crossmember at the rear Model 217 with engine 157, 276, 278, 279 Model 222 with engine 157, 276.8/9, 277, 278, 279, 642
Remove/install belt drive components Engine 157, 278 in model 166, 292
Remove/install engine mount or engine crossmember at the rear Engine 157, 276, 278 in model 231
Remove/install pressure transducer for boost pressure control Engine 157, 278 in model 166 Engine 157, 278 in model 292
Remove/install alternator Model 166 with engine 157, 278 Model 292 with engine 157, 278
Oil line removal and installation ENGINES 157, 278 in MODEL 212, 218 ENGINES 278 in MODEL 207
Interference fit of crankshaft bearing cap Engine 132.9 in model 451.3/4 Engine 133, 260, 264, 270, 274 Engine 134.9, 135.9 in model 454.0 Engine 152, 157, 276, 278 Engine 607, 608 Engine 639.939 in model 454.0
Lower front axle Model 166 with engine 157, 276, 278, 642, 651 Model 292 with engine 157, 276, 278, 642
Remove/install left catalytic converter Engine 157, 276.8, 278, 279 in model 217 Engine 157, 276.8/9, 277, 278, 279 in model 222
Inspect cooling system for leaks Engine 157, 276, 278 in model 231
Routing diagram for poly-V belt Engine 157, 276, 278
Overview of service intervals for gasoline engines depending on engine oil specification Engine 111, 112, 113, 132, 133, 137, 152, 156, 157, 159, 177, 178, 266, 270, 271, 272, 273, 274, 275, 276, 277, 278, 279, 281, 285 Engine 112, 113, 157, 273, 279 in model 463
Remove/install coolant lines Engine 157, 278 in model 166 Engine 157, 278 in model 292
Check engine oil level using on-board oil dipstick Engine 111, 112, 113, 133, 152, 156, 157, 177, 178, 266, 270, 271, 272, 273, 274, 276.8/9, 278, 279, 607, 611, 612, 626, 628, 629, 640, 642, 646, 651
Attach/detach engine hoist Model 217 with engine 157, 276, 278, 279 Model 222 with engine 157, 276.8/9, 277, 278, 279
Remove/install oil lines of oil cooling for automatic transmission Transmission 725.0 in model 207 with engine 642 Transmission 725.0 in model 212 with engine 642 Transmission 725.0 in model 218 with engine 278 Transmission 725.0 in model 218 with …
Inspect cooling system for leaks Model 217 with engine 157, 176, 177, 276, 278, 279 Model 222 with engine 157, 176, 177, 256, 264, 276.8/9, 277, 278, 279, 642, 651, 656
Check visible area of poly-V belt for wear ENGINE 156, 157, 273, 278 in MODEL 216 ENGINE 156, 157, 272, 273, 276, 278 in MODEL 221
Remove/install components for exhaust system Engine 157, 276, 278 in model 231
Oil line removal and installation Engine 157, 278 in model 166 Engine 157, 278 in model 292
Remove/install coolant lines Engine 157, 278 in model 212, 218 except code 139 (M157/M278 engine cooling measures) Engine 278 in model 207 except code 139 (M157/M278 engine cooling measures)
Overview of service intervals for gasoline engines depending on engine oil specification Engine 111, 112, 113, 132, 133, 137, 152, 156, 157, 159, 177, 178, 266, 270, 271, 272, 273, 274, 275, 276, 277, 278, 279, 281, 285 Engine 112, 113, 157, 273, 279 in model 463
Remove/install retaining lock for crankshaft/ring gear Engine 157, 276, 278 in model 166 Engine 157, 276, 278 in model 292 Engine 276 in model 251
Remove/install transmission with torque converter 06.03.2020 Transmission 725.0 in model 166 with engine 651 Transmission 725.0 in model 166, 292 with engine 276 Transmission 725.0 in model 166, 292 with engine 278 Transmission 725.0 in model 166, 292 with engine 642
Remove/install expansion reservoir Engine 156, 157, 272, 273, 275, 276, 278 in model 221 Engine 156, 157, 273, 275, 278 in model 216
Remove/install rear exhaust system Engine 157, 276.8, 278, 279 in model 217 Engine 157, 276.8/9, 277, 278, 279, 642, 651 in model 222
Remove/install fan unit ENGINE 156, 271, 272, 274, 276, 642, 646, 651 in MODEL 204 ENGINE 271, 272, 273, 276.9, 278, 642, 651 in MODEL 207 ENGINE 651 in MODEL 172
Remove/install fan unit Engine 157, 276, 278 in model 217 Engine 157, 276.8/9, 278, 642 in model 222
Remove/install flywheel / drive plate Engine 157, 278 in model 166 Engine 157, 278 in model 292
Remove/install flywheel / drive plate Engine 157, 278 in model 217 Engine 157, 278 in model 222
Remove/install oil lines of oil cooling for automatic transmission Transmission 725.0 in model 217, 222 with engine 278 Transmission 725.0 in model 222 with engine 276
Remove/install automatic transmission fluid cooler Transmission 722.9 in model 217 with engine 157 Transmission 722.9 in model 217 with engine 276.8 Transmission 722.9 in model 217 with engine 278 Transmission 722.9 in model 217 with …
Drain/pour in coolant Engine 157, 276, 278, 642 in model 292 Engine 157, 276, 278, 642, 651 in model 166
Remove/install air filter housing ENGINE 157, 278 in MODEL 217, 222
Remove/install fan unit Model 166 with engine 157, 278 Model 292 with engine 157, 278
Notes on the assessment of pistons and piston rings Engine 111, 112, 113, 133, 137, 139, 152, 155, 156, 157, 159, 166, 176, 177, 178, 254, 256, 260, 264, 266, 270, 271, 272, 273, 274, 275, 276, 277, 278, 279, 282, 285 Engine 112, 113, 157, …
Remove/install expansion reservoir ENGINES 157, 276, 278 in MODEL 212, 218
Remove/install components for exhaust system Engine 157, 276, 278 in model 212, 218
Disconnect engine wiring harness ENGINE 157, 278 in MODEL 212, 218 ENGINE 278 in MODEL 207
Remove/install alternator belt pulley Model 166 with engine 157, 276, 278 Model 251 with engine 276 Model 292 with engine 157, 276, 278
Remove/install alternator Engine 157, 278 in model 212, 218 Engine 278 in model 207
Check main circuit coolant level ENGINE 157, 276, 278, 642, 651 in MODEL 166
Remove/install turbocharger with exhaust manifold Engine 157 in model 212, 218 Engine 278 in model 207, 212, 218
Remove/install front axle differential propeller shaft Model 217, 222 with engine 176, 278 with transmission 725.0 with code M005 (Vehicles with 4MATIC/all-wheel drive) Model 217, 222 with engine 177 with transmission 725.0 with code M005 …
Attach/detach engine hoist Model 166 with engine 157, 276, 278, 642, 651 Model 212 with engine 156, 157, 271, 272, 273, 274, 276, 278, 642, 651 Model 218 with engine 157, 274, 276, 278, 642, 651 Model 292 with …
Engine oil and oil filter change Engine 278 in model 166, 216, 221, 292
Firing order Engine 133, 139, 152.9, 157, 176, 177, 260, 270, 274, 276, 278, 282
Remove/install oil lines of oil cooling for automatic transmission Transmission 722.9 in model 217, 222 with engine 157 Transmission 722.9 in model 217, 222 with engine 276.8 Transmission 722.9 in model 217, 222 with engine 278 Transmission 722.9 in …
Remove/install rack-and-pinion steering Model 166, 292 with engine 157, 276, 278, 642, 651
Remove/install starter Model 166 with engine 157, 278 Model 292 with engine 157, 278
Remove/install active roll stabilization hydraulic pump Model 166, 292 with engine 157, 278 with code 468 (ACTIVE CURVE SYSTEM)
Notes on sealant path for oil pan Engine 133, 152.9, 157, 256.9, 260, 264, 270, 274, 276, 278, 282 Engine 176 in model 217, 222, 223 Engine 176, 177 in model 167 Engine 177 in model 205, 213 Engine 177 in model 217, …
Remove/install front axle gear Model 166 (except 166.006) with engine 651 Model 166 (except 166.058) with engine 276 Model 166 with engine 157 Model 166 with engine 278 Model 166 with engine 642 Model 292 with …
Inspect cooling system for leaks Model 166 with engine 157, 276, 278, 642, 651 Model 292 with engine 157, 276, 278, 642
Remove/install right oxygen sensor downstream of catalytic converter Engine 157, 278 in model 217, 222
Inspect cooling system for leaks ENGINES 276 in MODEL 204 ENGINES 276, 278 in MODEL 207
Remove/install radiator ENGINE 157 in MODEL 212, 218 with TRANSMISSION 722.93 ENGINE 157 in MODEL 212, 218 with TRANSMISSION 722.97 ENGINE 278 in MODEL 207, 212, 218
Check low-temperature circuit cooling system for leaks Engine 157, 276, 278 in model 166, 292
Remove/install engine mount or engine crossmember at the rear 18.11.2019 Engine 157, 271, 272, 273, 274, 276, 278, 642 in model 212 Engine 157, 274, 276, 278, 642, 651 in model 218 Engine 271, 272, 273, 274, 276, 278, 642, 651 in model 207 Engine 271, 272, 274, 276, 642, 646, 651 in model 204 Engine 651 in model 212 (except 212.098/298) Engine 651 in model 221
Refrigerant compressor remove/install Model 217, 222 with engine 157, 278 except code M005 (4MATIC)
Coolant pump tightening procedure Engine 152, 157, 276, 278 Engine 157
Replace valve stem seals Engine 133, 270, 274 Engine 152, 157, 276, 278
Replace fuel injector sealing ring Engine 133, 139, 152.9, 157, 176, 177, 178, 254, 256, 260, 264, 270, 274, 276, 278
Mark pulse wheel on removed camshaft Engine 152, 157, 276, 278 Engine 157
Remove/install right inerting system line in engine compartment Model 217 with engine 157, 176, 177, 276, 278, 279 with code 2U8 (Alternative refrigerant) Model 222 with engine 157, 176, 177, 256, 276, 277, 278, 279 with code 2U8 (Alternative refrigerant)
Remove injection nozzles Engine 133, 139, 152.9, 157, 176, 177, 178, 254, 256, 260, 264, 270, 274, 276, 278
Reset chain tensioner ENGINE 152, 157, 276, 278
Tightening procedure for housing of fuel system high pressure pump Engine 157, 276, 278
Assign crankshaft bearing shells Engine 152, 157, 176, 177, 178, 276, 278 Engine 157, 176
Remove/install belt drive components ENGINE 157, 278 in MODEL 217, 222
Cylinder head changed ENGINE 157, 276, 278 ENGINE 157
Place engine on cylinder 1 at 40 degrees after top dead center ENGINE 152.9, 157, 276, 278
Remove/install charge air ducts Engine 157, 278 in model 217 Engine 157, 278 in model 222
Refrigerant compressor remove/install Model 217, 222 with engine 157, 278 with code M005 (4MATIC)
Remove/install fuel injectors sealing package on rail Engine 133, 139, 152.9, 157, 176, 177, 178, 254, 256, 260, 264, 270, 274, 276, 278
Remove/install automatic transmission fluid cooler Model 166 with engine 276 with transmission 722.9 Model 166 with engine 276.8 with transmission 724.2 Model 166 with engine 278 with transmission 722.9 Model 166 with engine 642 with …
Remove/install filler neck of fuel tank Model 166 with engine 157, 276, 278, 642, 651 Model 292 with engine 157, 276, 278, 642
Remove/install differential Model 212, 218 Model 231 with engine 157, 276, 278
Remove/install rear muffler Engine 278 in model 166 Engine 278 in model 292
Replace radial sealing rings on side of rear axle center assembly Model 166, 218 Model 212 except code 700 (Vehicle production location China) Model 231 with engine 157, 276, 278 Model 292
Open close latch Model 166 with engine 157, 276, 278, 642, 651 Model 292 with engine 157, 276, 278, 642
Remove/install rear engine support Engine 157, 276, 278 in model 231
Remove/install fuel pump Model 166 with engine 651 Model 166, 292 with engine 157 Model 166, 292 with engine 276 Model 166, 292 with engine 278 Model 166, 292 with engine 642
Test alternator diodes Engine 157, 276, 278 in model 292 Engine 157, 276, 278, 651 in model 166 Engine 276 in model 251
Test alternator charging current Engine 157, 276, 278 in model 292 Engine 157, 276, 278, 651 in model 166 Engine 276 in model 251
Crank engine with starter Engine 157, 276, 278 in model 292 Engine 157, 276, 278, 651 in model 166
Remove/install front axle differential propeller shaft Model 166 (except 166.006/058) with engine 157, 276, 278, 642, 651 Model 292
Remove/install low temperature water circuit radiator Engine 157 in model 166, 292 Engine 276 in model 166, 292 Engine 278 in model 166, 292
Remove/install radial shaft sealing ring on output flange Transmission 722.9 in model 231 with engine 157 Transmission 722.9 in model 231 with engine 276 Transmission 722.9 in model 231 with engine 278 Transmission 725.0 in model 172 with …
Lower front rear axle Model 231 with engine 157, 276, 278
Remove/install rear axle shaft Model 212, 218 Model 222 with engine 276.8 Model 231 with engine 157, 276, 278
Connect compression recorder ENGINE 157, 272, 273, 275, 276, 278, 629, 642 (except , 272.974) in MODEL 221 ENGINE 157, 273, 275, 278 in MODEL 216 ENGINE 642 in MODEL 212 ENGINE 642, 651 in MODEL 218
Remove/install fuel tank Model 166 with engine 157, 276, 278, 642, 651 Model 292 with engine 157, 276, 278, 642
Remove/install fuel level sensor Model 166 with engine 157, 276, 278, 642, 651 Model 292 with engine 157, 276, 278, 642
Remove/install rear engine mount Engine 157, 276, 278 in model 231
Check regulator and alternator Engine 156, 271, 272, 273, 274, 276, 278, 642, 651 in model 212 Engine 156, 271, 272, 274, 642, 646, 651 in model 204 Engine 271, 272, 273, 642, 651 in model 207 Engine 271, 651 in model …
Bolt plan for timing case cover ENGINE 152.9, 157, 278
Remove/install right cylinder head cover Engine 157, 278 in model 166 Engine 157, 278 in model 292
Replace timing chain Engine 276 in model 251 Engine 276, 278 in model 166 Engine 276, 278 in model 292
Bolt tightening procedure for cylinder head cover ENGINE 157, 278
Tighten connecting rod bolts Engine 152, 157, 276, 278 Engine 157
Remove/install piston rings Engine 157, 276, 278 in model 166 Engine 157, 276, 278 in model 292 Engine 276 in model 251
Remove/install tensioning device for poly-V belt of refrigerant compressor Engine 157, 278 in model 166, 292
Remove/install hydraulic pump pulsation damper Model 166, 292 with engine 157, 278 with code 468 (ACTIVE CURVE SYSTEM)
Test compression pressure Engine 157, 278 in model 166 Engine 157, 278 in model 292
Remove/install chain tensioner Engine 157, 276, 278 in model 166 Engine 157, 276, 278 in model 292 Engine 276 in model 251
Remove/install oil pump Engine 157, 278 in model 166 Engine 157, 278 in model 292
Remove/install solenoid camshaft Engine 157, 278 in model 166 Engine 157, 278 in model 292
Draw in timing chain Engine 152, 276, 278
Determine oil consumption Engine 152.9, 157, 176, 177, 178, 276, 277, 278, 279 Engine 254.9, 256.9 Engine 264 Engine 271, 272, 642, 646, 651
Remove/install circulation pump for low-temperature water circuit Engine 157, 276.8, 278 in model 166 Engine 157, 276.8, 278 in model 292
Set basic position of camshafts Engine 157, 276, 278 in model 166 Engine 157, 276, 278 in model 292 Engine 276 in model 251
Disconnect timing chain Engine 152.9, 276, 278 Engines with IWIS timing chain
Notes on sealant path for timing case cover ENGINE 152.9, 157, 278
Check hydraulic valve clearance compensating elements Engine 157, 278 in model 166 Engine 157, 278 in model 292
Remove/install coolant level switch Model 166 with engine 157, 276, 278 Model 251 with engine 276 Model 292 with engine 157, 276, 278
Remove/install radiator identification sensor Engine 278 with code 494 (US version)
Remove/install primary drive timing chain Engine 157, 276, 278 in model 166 Engine 157, 276, 278 in model 292 Engine 276 in model 251
Inspect cylinders with a light probe Engine 157, 276, 278 in model 166, 292
Determine crankshaft bearing axial play Engine 152, 157, 276, 278 Engine 157
Remove/install fuel pump control unit Model 166 with engine 157, 276, 278 Model 292 with engine 157, 276, 278
Assign piston to the cylinder bore Engine 157, 276, 278 Engine 157
Check cylinders for leaks Engine 157, 278 in model 166 Engine 157, 278 in model 292
Remove/install coolant pump Engine 157, 278 in model 166 Engine 157, 278 in model 292
Remove/install front engine support Engine 157, 278 in model 166
Remove/install right cylinder head Engine 157, 278 in model 166 Engine 157, 278 in model 292
Install and gauge connecting rod bearings Engine 152, 157, 276, 278 Engine 157
Remove/install ignition coils Engine 157, 276, 278 in model 217 Engine 157, 276, 278 in model 222
Remove/install crankshaft Engine 157, 276, 278 in model 166 Engine 157, 276, 278 in model 292 Engine 276 in model 251
Replacing rear crankshaft radial seal Engine 157, 278 in model 166 Engine 157, 278 in model 292
Remove/install regulator for alternator Model 166 with engine 157, 276, 278 Model 251 with engine 276 Model 292 with engine 157, 276, 278
Remove/install tensioner pulley for poly-V belt tensioning device Engine 157, 278 in model 166 Engine 157, 278 in model 292
Removing installing V-belt tensioning device Engine 157, 278 in model 166 Engine 157, 278 in model 292
Remove/install rail Engine 157, 278 in model 166 Engine 157, 278 in model 292
Remove/install radiator Model 166 with engine 157, 276.8, 278 Model 292 with engine 157, 276.8, 278
Measure oil consumption Engine 157, 276, 278 in model 166 Engine 157, 276, 278 in model 292 Engine 276 in model 251
Remove/install activated charcoal filter shutoff valve Model 164 with engine 113, 156, 272 (except 272.973), 273 with code 494 (US version) Model 166 with engine 276, 278 with code 494 (US version) Model 166, 292 with engine 276, 278 with …
Tightening procedure for crankshaft bearing caps Engine 152, 157, 276, 278 Engine 157
Replace spark plugs Engine 157, 276, 278 in model 166 Engine 272, 273 in model 164
Remove/install left front engine support Engine 157, 278 in model 166, 292
Remove/install guide pulley for poly-V-belt on oil filter housing Engine 157, 278 in model 166 Engine 157, 278 in model 292
Remove/install front cover on cylinder head ENGINES 157, 278 in MODEL 166
Remove/install front cover on cylinder head ENGINES 157, 278 in MODEL 166
Remove/install check valve for chain tensioner to cylinder head Engine 157, 276, 278 in model 166 Engine 157, 276, 278 in model 292 Engine 276 in model 251
Remove/install fuel injectors Engine 157, 276, 278 in model 166 Engine 157, 276, 278 in model 292 Engine 276 in model 251
Remove/install timing case cover Engine 157, 278 in model 166 Engine 157, 278 in model 292
Pry off oil pan ENGINE 152, 157, 276, 278 ENGINE 157
Mount high-pressure lines. Engine 157, 278
Remove/install left cylinder head cover Engine 157, 278 in model 166 Engine 157, 278 in model 292
Replace spark plugs Engine 157, 276, 278 in model 222 Engine 157, 278 in model 217 Engine 278 in model 292
Remove/install ignition coils Engine 157, 278 in model 166 Engine 157, 278 in model 292
Service Information: Spark plug connector grease Engine 104, 111, 112, 113, 119, 120, 133, 137, 152, 155, 156, 157, 159, 166, 176, 177, 178, 266, 270, 271, 272, 273, 274, 275, 276, 277, 278, 279, 285
Disconnect timing chain Engine 152, 276, 278 Engines with INA timing chain
Check oil pressure Engine 157, 278 in model 166 Engine 157, 278 in model 292
Remove/ install activated charcoal canister Model 164 with engine 113, 156, 272, 273 Model 166 with engine 157, 276, 278 Model 292 with engine 157, 276, 278
Remove/install valve springs and/or valve stem seals Engine 157, 276, 278 in model 166 Engine 157, 276, 278 in model 292 Engine 276 in model 251
Remove/install left inerting system line in engine compartment Model 166, 292 with engine 276, 278 with code 2U8 (Alternative refrigerant)
Remove/install fuel tank pressure sensor Engine 276, 278 in model 166, 292 with code 945 (China Stage 6 exhaust treatment) Engine 276, 278 in model 166 with code 494 (US version) Engine 276, 278 in model 292 with code 494 (US …
Remove/install hydraulic valve clearance compensating elements Engine 157, 278 in model 166 Engine 157, 278 in model 292
Remove/install intake manifold Engine 157, 278 in model 166 Engine 157, 278 in model 292
Remove/install oil level check switch Engine 278 in model 166 Engine 278 in model 292
Remove/install oil-water heat exchanger Engine 157, 278 in model 166, 292
Remove/install camshaft Hall sensor Engine 157, 278 in model 166 Engine 157, 278 in model 292
Remove/install front cover on right cylinder head Engine 157, 278 in model 166 Engine 157, 278 in model 292
Rivet timing chain Engine 152, 276, 278 Engines with INA timing chain
Remove/install oil filter housing Engine 157, 278 in model 166 Engine 157, 278 in model 292
Bolt plan for coolant pump ENGINE 152, 157, 278
Remove/install poly-V-belt guide pulley Engine 157, 278 in model 166, 292 except code 468 (ACTIVE CURVE SYSTEM)
Remove/install camshafts Engine 157, 276, 278 in model 166 Engine 157, 276, 278 in model 292 Engine 276 in model 251
Remove/install throttle valve actuator Engine 157, 278 in model 166 Engine 157, 278 in model 292
Remove/install line from cartridge to inerting system in engine compartment Model 166, 292 with engine 276, 278 with code 2U8 (Alternative refrigerant)
Remove/install left cylinder head Engine 157, 278 in model 166 Engine 157, 278 in model 292
Rivet timing chain Engine 152, 276, 278 Engines with IWIS timing chain
Check regulator and alternator Engine 157, 276, 278 in model 166 Engine 157, 276, 278 in model 292 Engine 272, 273, 276, 642 in model 251 Engine 272, 273, 642 in model 164 Engine 629 in model 164
Remove/install centrifuge Engine 157, 278 in model 166 Engine 157, 278 in model 292
Remove/install vacuum pump Model 166 with engine 157, 278 Model 292 with engine 157, 278
Determine variant of timing chain Engine 152, 276, 278 Engine 157
Remove/install right inerting system line in engine compartment Model 166, 292 with engine 276, 278 with code 2U8 (Alternative refrigerant)
Bolt plan for oil filter housing Engine 152, 157, 278
Remove/install turbocharger with exhaust manifold Engine 157, 278 in model 166 Engine 157, 278 in model 292
Remove/install right front engine support Engine 157, 278 in model 166, 292
Remove/install guide pulley for poly-V belt of alternator Engine 157, 278 in model 166, 292
Remove/install inertization cartridge Model 166, 292 with engine 157, 276, 278 with code 2U8 (Alternative refrigerant)
Remove/install the tensioning device for the oil pump chain Engine 157, 278 in model 166 Engine 157, 278 in model 292
Check basic position of camshafts Engine 157, 278 in model 166 Engine 157, 278 in model 292
Remove/install bottom part of oil pan Engine 157, 278 in model 166 Engine 157, 278 in model 292
Remove/install valves Engine 157, 276, 278 in model 166 Engine 157, 276, 278 in model 292 Engine 276 in model 251
General information on inspecting cylinder walls Engine 278
Remove/install high-pressure pump Engine 157, 278 in model 166 Engine 157, 278 in model 292
Remove/install expansion reservoir Model 166 with engine 157, 276, 278 Model 292 with engine 157, 276, 278
Connecting recording-type compression tester Engine 157 in model 166, 292 Engine 276 in model 166, 292 Engine 278 in model 166, 292
Remove/install oil pan Engine 157, 278 in model 166 Engine 157, 278 in model 292
Replace oil filter element drain oil filter Engine 156.9 in model 164.1, 204, 209, 211, 212, 216, 219, 221, 230, 251 Engine 157 in model 166, 212, 216, 218, 221, 222, 231 Engine 157 in model 463 Engine 278 in model 166, 207, 212, …
Remove/install camshaft adjusters Engine 157, 276, 278 in model 166 Engine 157, 276, 278 in model 292 Engine 276 in model 251
Remove/install front cover on left cylinder head Engine 157, 278 in model 166 Engine 157, 278 in model 292
Remove/install coolant thermostat Engine 157, 278 in model 166 Engine 157, 278 in model 292
Remove/install upper guide pulley for poly-V belt of refrigerant compressor Engine 157, 278 in model 166, 292
Tightening procedure for cylinder head bolts ENGINE 152.9, 157, 278
Remove/install piston Engine 157, 276, 278 in model 166 Engine 157, 276, 278 in model 292 Engine 276 in model 251
2780 – Automatic transmission Replacement of the external filter Allison transmission 723.34 (AT 542)
Partially reduced unit backup lamp switch actuation TRANSMISSION 711.603 ## up to 0030062, 711.612 /613 ## up to 0030278 original scope TRANSMISSION 711.603 ## as of 0030063 up to 0054494, 711.612 /613 ## as of 0030279 up to …
2780 – Automatic transmission – Replacement of the outer filter Allison transmissions 723.1/2/30/31/39
Empty/fill fuel tank Model 212 with engine 156, 157, 271, 272, 273, 274, 276, 278, 642, 651 Model 218 with engine 157, 274, 276, 278, 642, 651
Remove/install fuel level sensor Model 212 with engine 156, 157, 271, 272, 273, 274, 276, 278 Model 218 with engine 157, 274, 276, 278
Remove/install end cover at differential Model 212 except code 700 (Vehicle production location China) Model 218 Model 231 with engine 157, 276, 278
Disconnect fuel line stick together Engine 156, 157, 271, 272, 273, 274, 276, 278, 642, 651 in model 212 Engine 157, 274, 276, 278, 642, 651 in model 218
Notes on routing of coolant hoses ENGINE 157, 276.9, 277, 278, 279, 642 in MODEL 222 ENGINE 157, 278, 279 in MODEL 217
Drain oil from rear axle differential Model 204, 212 except code 700 (Vehicle production location China) Model 207, 216, 218, 221 Model 231 with engine 157, 276, 278
Remove/install engine from/onto front axle carrier ENGINES 272, 276, 642 in MODEL 204 with 4MATIC ENGINES 272, 273 in MODEL 212 with 4MATIC ENGINES 278 in MODEL 207 With 4MATIC ENGINES 642 in MODEL 218 With 4MATIC …
Remove/install automatic transmission fluid cooler Transmission 722.9 in model 218 with engine 642 Transmission 725.0 in model 218 with engine 278 with code M005 (Vehicles with 4MATIC/all-wheel drive) Transmission 725.0 in model 218 …
Remove/install fuel pump Engine 156, 157, 271, 272, 273, 274, 276, 278 in model 212 Engine 157, 274, 276, 278 in model 218
Test alternator diodes ENGINE 157, 272, 273, 276, 278, 642, 651 in MODEL 212 ENGINE 157, 276, 278 in MODEL 218
Remove/install fuel pump control unit MODEL 212 with ENGINE 156, 157, 272, 273, 276, 278, 642 as of 1.9.09 MODEL 218 with ENGINE 157, 276, 278, 642, 651
Remove/install fuel tank Model 212 with engine 156, 157, 271, 272, 273, 276, 278, 642, 651 Model 218 with engine 157, 276, 278, 642, 651