2006 Mercedes-Benz R350 power train problems
13 owner complaints filed with NHTSA name the power train on the 2006 Mercedes-Benz R350 — 13% of all complaints for this model year.
What owners report
“Car goes into limp mode cant drive faster than 20mph on freeway very dangerous. Have to pull over turn off engine and restart car to reset. Car just randomly shut off all electronics died on street. Towed car to dealership says needs new valve body of transmission. Researched online very common…”
filed Feb 5, 2017
“Tl* the contact owns a 2006 mercedes benz r350. While driving approximately 15 mph, the steering wheel seized without warning. The vehicle was taken to a dealer where it was diagnosed that the steering pump needed to be replaced. The vehicle was repaired however, the failure recurred. In addition…”
filed Jun 24, 2015
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
Single throttle lift-off clunking noise from the side shaft when moving off (audible at the outboard end). The noise is heard once in each instance when changing direction of travel. Note: Sound file in attachment Cause…
LI35.30-P-058566 · Service Bulletin/Repair Instructions · issued Jul 14, 2026Complaint Single throttle lift-off clunking noise from the side shaft when moving off (audible at the outboard end). The clunk is heard once when changing from forward to reverse (and vice versa). Note: Sound file in…
LI33.30-P-056665 · Service Bulletin/Repair Instructions · issued Nov 15, 2025Complaint Single throttle lift-off clunking noise from the side shaft when moving off (audible at the outboard end). The clunk is heard once when changing from forward to reverse (and vice versa). Note: Sound file in…
LI33.30-P-056665 · Service Bulletin/Repair Instructions · issued May 21, 2025
Power Train problems in other R350 years
| Year | Reports | Share |
|---|---|---|
| 2008 R350 | 1 | 3% |
| 2007 R350 | 5 | 11% |
Other reported problem areas on the 2006 Mercedes-Benz R350
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.