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Engine coolingPart report

2008 Mercedes-Benz GL450 Engine cooling Problems

Complaints
2about this part
Share
4%of 55 total for the year
Median mileage
15,000miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 2 complaints about the engine cooling of the 2008 Mercedes-Benz GL450, 4% of the 55 complaints for this model year. Where a mileage was given, the median is 15,000 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 mercedes benz gl 450. The contact received a recall notice in june of 2008 regarding the compressor. The vehicle was taken to the dealer and the contact was promised that it would be repaired by the following day. The vehicle was not repaired as promised; therefore, the contact retrieved the vehicle from the dealer. Other recalls were also found for this vehicle. The recall number was unknown. The current mileage was 13,000 and failure mileage was 12,000.”

NHTSA complaint #10241129, filed 2008-09, 12,000 miles

“The contact owns a 2008 mercedes benz GL450. The contact stated that his vehicle has been stalling ever since it was purchased. He took the vehicle back to the dealer and was informed that there was no remedy for the failure. When the stalling occurs, there is no power throughout the vehicle, but it will restart seconds later. In addition to this failure, the sideview mirror is molded, the tire lug nuts are rusted, the power seat and navigation system are malfunctioning, the engine valve cover is cracked, and the compressors for the suspension system has failed. …”

NHTSA complaint #10264264, filed 2009-04, 18,000 miles

Related service bulletins

Engine cooling: other model years

YearComplaintsShare of year
200824%
200765%

Other parts of the 2008 Mercedes-Benz GL450

Steering
21 complaints
Suspension
15 complaints
Brakes
7 complaints
Air bags
6 complaints
Engine
5 complaints
Other or unknown
5 complaints
Electrical system
4 complaints
Body and structure
4 complaints
Transmission and drivetrain
4 complaints
Visibility (wipers, defrost, mirrors)
4 complaints
Wheels
4 complaints
Seat belts
2 complaints

← All problems reported for the 2008 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