This comprehensive service manual delves into the intricate workings of the Mercedes-Benz 722 series automatic transmissions, specifically focusing on electronic diagnosis. It offers an in-depth understanding of these transmissions, equipping technicians with the necessary knowledge to diagnose and repair a wide range of Mercedes-Benz models. The manual covers a multitude of vehicles, including the C220, C280, C36, E300D, E320, E420, S320, S350D, S500, S600, SL320, SL500, and SL600. By providing detailed information on the electronic components and systems within these transmissions, this manual empowers technicians to effectively identify and address electronic faults. Whether you are a seasoned mechanic or a dedicated enthusiast, this manual serves as an invaluable resource for understanding and maintaining the complex electronic systems within Mercedes-Benz 722 series automatic transmissions.

The Mercedes-Benz 722 series automatic transmission is a sophisticated and renowned drivetrain component found in a wide array of Mercedes-Benz vehicles, including the C-Class (C220, C280, C36), E-Class (E300D, E320, E420), S-Class (S320, S350D, S500, S600), and SL-Class (SL320, SL500, SL600). This transmission system is a testament to Mercedes-Benz's engineering prowess, renowned for its smooth, responsive, and efficient operation. The 722 series is known for its durability and reliability, with some units exceeding 200,000 miles with proper maintenance. Its advanced design incorporates electronic control, which allows for precise gear changes and optimal shift points, enhancing both driving pleasure and fuel efficiency. Versions of the 722 transmission are available with varying numbers of gears, ranging from four to seven, catering to different engine sizes and power outputs.

Despite its widespread adoption and proven track record, the 722 series automatic transmission is not without its potential issues. Common problems include fluid leaks, valve body problems, and solenoid issues. These can manifest as rough shifting, slipping, or even complete transmission failure. Proper maintenance, including regular fluid changes and inspections, is crucial to extending the lifespan of this transmission. While the 722 series is generally regarded as a reliable unit, the complexity of its design and the potential for wear and tear necessitate careful attention to its upkeep. It is important to consult with a qualified mechanic who specializes in Mercedes-Benz vehicles for any issues or concerns regarding the 722 series transmission.