2012 Mercedes-Benz S350 Fuel system Problems
- Complaints
- 2about this part
- Share
- 29%of 7 total for the year
- Median mileage
- 59,375miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 2 complaints about the fuel system of the 2012 Mercedes-Benz S350, 29% of the 7 complaints for this model year. Where a mileage was given, the median is 59,375 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.
“Takata recall the vehicle slips into a limp mode while driving. This have happened several times. I'm taking it to the mb dealer this weekend. 11/16/2016. 57kmiles”
NHTSA complaint #10926405, filed 2016-11, 57,000 miles“Vehicle entered limp home mode while entering intersection. Dealership said codes did not indicate an issue and could not reproduce problem. Only actions taken was a computer test and road test. After leaving the dealer, the vehicle entered the limp home mode again this time on the highway. Dealer then replaced two sensors at the turbo. After returning the vehicle to me, it entered the limp home mode again, also while driving on the highway. This time, dealer replaced the turbo when it was brought back in for repair. The vehicle still entered the limp home mode after this repair. …”
NHTSA complaint #10899403, filed 2016-08, 61,750 milesRelated service bulletins
- 10167487Mar 21, 2014Minor leaks at the oil duct of the left or right cylinder head of engines 157, 276 and 278. 1. Left cylinder head: Oil passage plug hole on left beside mechanical vacuum pump. 2…
Fuel system: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2012 | 2 | 29% |
Other parts of the 2012 Mercedes-Benz S350
3 complaintsTransmission and drivetrain
2 complaintsVehicle speed control
2 complaintsOther or unknown
1 complaints
← All problems reported for the 2012 Mercedes-Benz S350
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