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SteeringPart report

2021 Mercedes-Benz GLB 250 Steering Problems

Complaints
2about this part
Share
7%of 29 total for the year
Median mileage
—not reported
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 2 complaints about the steering of the 2021 Mercedes-Benz GLB 250, 7% of the 29 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.

“Escalating Safety Concern – Loud Clunking, Thumping, and Cracking from Front Axle at Low Speeds We are long-time loyal customers and currently own four identical Mercedes-Benz models. Unfortunately, one of our vehicles, a 2021 mb glb250 has recently developed severe clunking, thumping, and loud cracking noises originating from the front axle area, noticeable especially at low speeds. The problem appeared suddenly and is rapidly worsening. After researching the issue, we’ve discovered that many owners of the exact same model and model year report identical symptoms. …”

NHTSA complaint #11701110, filed 2025-11

“The component that appears to have malfunctioned is the front axle integral carrier (front subframe) and the related front suspension geometry, as the vehicle now exhibits a persistent pull to the left and degraded steering stability after the dealer replaced the front lower control arms, engine mounts, and performed alignments; this area of the vehicle is fully available for inspection upon request. …”

NHTSA complaint #11719310, filed 2026-02

Related service bulletins

Steering: other model years

YearComplaintsShare of year
202127%
202047%

Other parts of the 2021 Mercedes-Benz GLB 250

Other or unknown
10 complaints
Engine
7 complaints
Electrical system
4 complaints
Suspension
4 complaints
Body and structure
3 complaints
Transmission and drivetrain
3 complaints
Back-over prevention (rear camera)
2 complaints
Fuel system
2 complaints
Visibility (wipers, defrost, mirrors)
2 complaints
Wheels
2 complaints
Air bags
1 complaints
Brakes
1 complaints

← All problems reported for the 2021 Mercedes-Benz GLB 250

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