2009 Mercedes-Benz R350 Other or unknown Problems
- Complaints
- 1about this part
- Share
- 7%of 15 total for the year
- Median mileage
- 3,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 1 complaints about the other or unknown of the 2009 Mercedes-Benz R350, 7% of the 15 complaints for this model year. Where a mileage was given, the median is 3,000 miles.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“Wife is disabled with a back injury lumbar support has failed 4 times in 7 months part was finally ordered from germany and the item seems fixed whining noise comes from under the hood. Mercedes engineer says it is a AC pressure release valve...and refuses to fix it again.....car was in the dealership 4 times for this.”
NHTSA complaint #10347761, filed 2010-08, 3,000 milesRelated service bulletins
- 10030665Mar 1, 2009Mercedes: it has been determined that the tele aid may not function properly as a result of a hardware fault in the tele aid control module. If this condition exists an…
Other or unknown: other model years
Other parts of the 2009 Mercedes-Benz R350
8 complaintsVisibility (wipers, defrost, mirrors)
3 complaintsElectrical system
1 complaintsEngine cooling
1 complaintsExterior lighting
1 complaintsFuel system
1 complaintsSeat belts
1 complaintsSeats
1 complaintsBody and structure
1 complaints
← All problems reported for the 2009 Mercedes-Benz R350
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology