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Engine coolingPart report

2012 Mercedes-Benz GL350 Engine cooling Problems

Complaints
1about this part
Share
5%of 22 total for the year
Median mileage
130,000miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 1 complaints about the engine cooling of the 2012 Mercedes-Benz GL350, 5% of the 22 complaints for this model year. Where a mileage was given, the median is 130,000 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 2012 Mercedes-Benz GL350. The contact stated that while driving at an undisclosed speed, the accelerator pedal was depressed; however, the vehicle failed to accelerate as intended. In addition, the check engine warning light illuminated. The vehicle was taken to the dealer where it was diagnosed with turbo failure. The contact was informed that the turbo needed to be replaced. The vehicle was not repaired. The contact was informed that the repair could not be covered under the warranty. …”

NHTSA complaint #11591809, filed 2024-05, 130,000 miles

Related service bulletins

Engine cooling: other model years

YearComplaintsShare of year
2014117%
201215%
201016%

Other parts of the 2012 Mercedes-Benz GL350

Air bags
13 complaints
Engine
4 complaints
Brakes
1 complaints
Fuel system
1 complaints
Other or unknown
1 complaints
Seats
1 complaints
Visibility (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 Oct 29, 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