The 2011 Mercedes E350 uses a seven‑speed automatic transmission, Mercedes‑Benz’s 7G‑Tronic (internal code 722.9), paired with the 3.5‑liter V6 engine. It is offered with rear‑wheel drive (RWD) or 4MATIC all‑wheel drive depending on the configuration.
Transmission type and configuration
Key facts about the 7G‑Tronic in the 2011 E350 are listed below to help buyers and owners understand how the system works in this model year.
- Seven forward gears in a torque‑converter automatic transmission
- Internal designation 722.9, marketed as 7G‑Tronic Plus in many regions
- Designed to handle the torque from the 3.5 L V6 engine
- Available with rear‑wheel drive or 4MATIC all‑wheel drive configurations
- Integrated with adaptive shift logic that adjusts based on driving mode and conditions
The 7G‑Tronic is known for smooth shifts and efficient operation, contributing to the E350’s balanced performance for its class. Some markets may receive software updates or minor hardware refinements, but the core transmission remains within the 7G‑Tronic family.
Maintenance and reliability considerations
Owners should follow Mercedes‑Benz maintenance guidelines to keep the transmission performing reliably. The following points summarize common maintenance practices and warning signs to watch for.
- Follow official service intervals for automatic transmission fluid changes and filter service
- Use Mercedes‑Benz approved automatic transmission fluid and components during service
- Be alert to symptoms such as harsh shifts, slipping, or delayed engagement, which may indicate fluid wear or other issues needing diagnosis
- Keep software/firmware up to date to optimize shift points and reliability
Regular maintenance and timely software updates help ensure the 7G‑Tronic’s longevity and smooth performance over the life of the vehicle.
Summary
In concise terms, the 2011 Mercedes E350 is equipped with a seven‑speed automatic transmission, the Mercedes‑Benz 7G‑Tronic (722.9). Whether configured for RWD or 4MATIC, this transmission underpins the E350’s smooth driving experience, with regular maintenance essential for long‑term reliability.


