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Exterior lightingPart report

2012 Mercedes-Benz GL550 Exterior lighting Problems

Complaints
1about this part
Share
13%of 8 total for the year
Median mileage
61,000miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 1 complaints about the exterior lighting of the 2012 Mercedes-Benz GL550, 13% of the 8 complaints for this model year. Where a mileage was given, the median is 61,000 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 GL550. While driving 15 MPH, the contact activated the rear driver side turn signal, but the signal failed to illuminate. The vehicle was taken to a dealer where it was diagnosed that the light module failed and needed to be replaced. The vehicle was not repaired. The manufacturer was not made aware of the issue the approximate failure mileage was 61,000. Updated 06/01/17”

NHTSA complaint #10969294, filed 2017-03, 61,000 miles

Related service bulletins

Exterior lighting: other model years

YearComplaintsShare of year
2012113%
200818%

Other parts of the 2012 Mercedes-Benz GL550

Air bags
6 complaints
Brakes
1 complaints
Electrical system
1 complaints
Other or unknown
1 complaints
Body and structure
1 complaints
Wheels
1 complaints

← All problems reported for the 2012 Mercedes-Benz GL550

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