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SteeringPart report

2021 Mercedes-Benz GLS 450 Steering 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 steering of the 2021 Mercedes-Benz GLS 450, 3% of the 31 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.

“GLS 450 of this model year were recalled for failing Steering Coupling Locking Screws. While my car was not recalled it is exhibiting similar symptoms involving creaking sounds at low speeds when the engine has warmed up. The recall should be expanded.”

NHTSA complaint #11772417, filed 2026-10

Related service bulletins

Steering: other model years

YearComplaintsShare of year
202113%
202013%
201914%
201817%
2017411%

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
Body and structure
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