2012 Mercedes-Benz GL350 Fuel system Problems
- Complaints
- 1about this part
- Share
- 5%of 22 total for the year
- Median mileage
- —not reported
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 1 complaints about the fuel system of the 2012 Mercedes-Benz GL350, 5% of the 22 complaints for this model year.
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.
“I would like to file an official complaint with Mercedes Service center prior to escalating. Due to neglection the part of your authorized dealership, I am confronted with poor and conniving customer service, strong safety concerns, and financial loss. Also, Euro Motors did not report any issues with the vehicle wire harness during the pre inspection. …”
NHTSA complaint #11490531, filed 2022-10Related 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…
- 10167553Jul 1, 2013Combination message: "Clean fuel filter" is displayed. The fault code 162500 (water level message - Bosch) or P226997 (water level message - Delphi) or 171600 (filter load…
Fuel system: other model years
Other parts of the 2012 Mercedes-Benz GL350
13 complaintsEngine
4 complaintsBrakes
1 complaintsEngine cooling
1 complaintsOther or unknown
1 complaintsSeats
1 complaintsVisibility (wipers, defrost, mirrors)
1 complaints
← All problems reported for the 2012 Mercedes-Benz GL350
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Nov 1, 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