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EnginePart report

2011 Mercedes-Benz GL450 Engine Problems

Complaints
1about this part
Share
2%of 55 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 engine of the 2011 Mercedes-Benz GL450, 2% of the 55 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.

“Check Engine Light came on and took it to the mechanic who identified low compression on cylinder #3. The injector was replaced which did not fix the issue since the vehicle lags when first accelerating. We were also informed of a service bulletin that included the issue with our vehicle and to take the car to the dealer. …”

NHTSA complaint #11551600, filed 2023-10

Related service bulletins

Engine: other model years

YearComplaintsShare of year
2016215%
2015739%
2014733%
2013924%
201112%
2009213%
200859%
200754%

Other parts of the 2011 Mercedes-Benz GL450

Air bags
34 complaints
Suspension
9 complaints
Brakes
7 complaints
Electrical system
4 complaints
Other or unknown
3 complaints
Fuel system
2 complaints
Transmission and drivetrain
2 complaints
Seats
1 complaints
Wheels
1 complaints

← All problems reported for the 2011 Mercedes-Benz GL450

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