2014 Mercedes-Benz GL350 Engine cooling Problems
- Complaints
- 1about this part
- Share
- 17%of 6 total for the year
- Median mileage
- 140,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 1 complaints about the engine cooling of the 2014 Mercedes-Benz GL350, 17% of the 6 complaints for this model year. Where a mileage was given, the median is 140,000 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.
“The contact owns a 2014 Mercedes-Benz GL350. The contact stated that while inspecting the vehicle, there was oil leaking underneath the vehicle. Additionally, the check engine warning light was illuminated while operating the vehicle. The vehicle was taken to the local mechanic who diagnosed the vehicle and determined that the oil cooler seals were faulty and needed to be replaced. The seals were replaced, and the vehicle was repaired. The vehicle was later taken to the local dealer for transmission failure. The manufacturer was notified of the failure. The failure mileage was 140,000.”
NHTSA complaint #11530486, filed 2023-07, 140,000 milesRelated service bulletins
- 10219253Aug 19, 2022Mercedes-Benz AG (âMBAGâ), the manufacturer of Mercedes-Benz vehicles, has determined that on certain Model Year (âMYâ) vehicles listed below, the particulate matter…
- 10184797Nov 12, 2020Mercedes-Benz USA, LLC (?MBUSA?) has entered into an agreement with the United States Department of Justice (DOJ), the Environmental Protection Agency (EPA), the California Air…
- 10184799Nov 11, 2020Mercedes-Benz USA, LLC (?MBUSA?) has entered into an agreement with the United States Department of Justice (DOJ), the Environmental Protection Agency (EPA), the California Air…
- 10058563Jul 6, 2015Xentry (mercedes): stored in engine control unit (ecu) is fault to exhaust back pressure sensor causing engine to be in limp home mode and diagnosis warning lamp activated. Model…
- 10166980Feb 10, 2014Traces of oil in area of oil cooler (inner V) on engine 642
Engine cooling: other model years
Other parts of the 2014 Mercedes-Benz GL350
2 complaintsEngine
1 complaintsSteering
1 complaintsBody and structure
1 complaintsTransmission and drivetrain
1 complaints
← All problems reported for the 2014 Mercedes-Benz GL350
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