The “722.3” designation refers to a specific type of automatic transmission used by Mercedes-Benz. It is part of the Mercedes-Benz 722 series of transmissions, which includes several variants with different features and applications.
The 722.3 transmission is commonly known as the “4G-Tronic” or “4-Speed Automatic” transmission. It was introduced by Mercedes-Benz in the early 1980s and has been used in various Mercedes-Benz models over the years.
Key features of the 722.3 transmission include:
Four-speed configuration: The 722.3 transmission has four forward gears, allowing for a range of gear ratios to accommodate different driving conditions.
Hydraulic control: It utilizes a hydraulic control system to engage and disengage the gears and manage the shifting process.
Lock-up torque converter: The transmission incorporates a lock-up torque converter, which improves fuel efficiency and reduces heat generation.
Electronic control (later models): Some later versions of the 722.3 transmission feature electronic control modules, allowing for more precise shifting and improved overall performance.
The 722.3 transmission has been used in a variety of Mercedes-Benz models, including the W123, W124, W126, W201, and early W140. However, it’s important to note that the specific applications may vary depending on the model year and engine configuration.