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Body and structurePart report

2021 Mercedes-Benz GLS 450 Body and structure Problems

Complaints
1about this part
Share
3%of 31 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 body and structure of the 2021 Mercedes-Benz GLS 450, 3% of the 31 complaints for this model year. 1 recall campaign on record is filed under a similar system.

Fewer than 15 complaints name this part, so treat the figures as a rough indication only.

Related recalls

Related service bulletins

Body and structure: other model years

YearComplaintsShare of year
202113%
202026%
201928%
2018214%
201726%

Other parts of the 2021 Mercedes-Benz GLS 450

Electrical system
14 complaints
Other or unknown
8 complaints
Engine
3 complaints
Lane departure
3 complaints
Forward collision avoidance
2 complaints
Seats
2 complaints
Fuel system
1 complaints
Seat belts
1 complaints
Steering
1 complaints
Tires
1 complaints
Transmission and drivetrain
1 complaints
Vehicle speed control
1 complaints

← All problems reported for the 2021 Mercedes-Benz GLS 450

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