2020 Mercedes-Benz GLB 250 4MATIC Transmission and drivetrain Problems
- Complaints
- 1about this part
- Share
- 13%of 8 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 transmission and drivetrain of the 2020 Mercedes-Benz GLB 250 4MATIC, 13% of the 8 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.
“Extended warrenty information mercedez benz has issued warrenty to that applie to condistions as listed above (exhaust valve, cyliner head ) back 08/04/2023 the car has in mercedez benz and have failed to pick on the extended warrrenty repairs and we now find out this cased more damage to the engine and needs to replace camshat and , control valve, roller rocker arm, and engine camshaft follower . It's all because dealership failed and notfiy us of needed repairs . …”
NHTSA complaint #11744345, filed 2026-06Related service bulletins
- 11037211Aug 29, 2026Complaint Intermittent shift feel or thud/clunk noise perceived, such as a brief jerk or transmission reaction during certain driving situations. May be most noticeable when…
- 11035005Jul 14, 2026Single throttle lift-off clunking noise from the side shaft when moving off (audible at the outboard end). The noise is heard once in each instance when changing direction of…
- 11026832Dec 19, 2025Complaint Oil residue in connector of transmission control unit in dual-clutch transmission models 724.0 and 724.1. Cause As part of the production process, the electrohydraulic…
Transmission and drivetrain: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2020 | 1 | 13% |
Other parts of the 2020 Mercedes-Benz GLB 250 4MATIC
4 complaintsElectrical system
3 complaintsFuel system
3 complaintsAir bags
2 complaintsOther or unknown
1 complaintsSteering
1 complaintsSuspension
1 complaintsVisibility (wipers, defrost, mirrors)
1 complaintsWheels
1 complaints
← All problems reported for the 2020 Mercedes-Benz GLB 250 4MATIC
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Nov 1, 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