Fuel systemPart report
2017 Mercedes-Benz GLS 550 Fuel system Problems
- Complaints
- 1about this part
- Share
- 17%of 6 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 2017 Mercedes-Benz GLS 550, 17% of the 6 complaints for this model year.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Related service bulletins
- 10181203Sep 25, 2020Replace tank filler recess and information labels
- 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 |
|---|---|---|
| 2017 | 1 | 17% |
Other parts of the 2017 Mercedes-Benz GLS 550
← All problems reported for the 2017 Mercedes-Benz GLS 550
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