AI DamageMercedes-Benz GLB 250 4matic: problems, complaints, bulletins
Summary for the Mercedes-Benz GLB 250 4matic across 7 model years: 14 owner complaints and 72 NHTSA service bulletins, plus repair videos. Pick a year for details.
Model years
What fails most often
- 1 Engine 57% of all complaints
- 2 Fuel/propulsion system 43% of all complaints
- 3 Electrical system 29% of all complaints
- 4 Powertrain 14% of all complaints
- 5 Air bags 14% of all complaints
- 6 Steering 7% of all complaints
- 7 Visibility 7% of all complaints
- 8 Suspension 7% of all complaints
- Engine: 8 complaints (57% of all); manufacturer bulletins for this component: 20.
- Fuel/propulsion system: 6 complaints (43% of all); manufacturer bulletins for this component: 9.
- Electrical system: 4 complaints (29% of all); manufacturer bulletins for this component: 137.
- Powertrain: 2 complaints (14% of all); manufacturer bulletins for this component: 24.
- Air bags: 2 complaints (14% of all).
Symptoms owners describe
How many of the 14 NHTSA complaints mention each symptom (automatic count from complaint text; one complaint can mention several).
Components owners complain about
| Component | Owner complaints | involving a crash | Technical service bulletins (TSB) |
|---|---|---|---|
| Engine | 8 | 0 | 20 |
| Fuel/propulsion system | 6 | 0 | 9 |
| Electrical system | 4 | 0 | 137 |
| Powertrain | 2 | 0 | 24 |
| Air bags | 2 | 0 | 0 |
| Steering | 1 | 1 | 22 |
| Visibility | 1 | 0 | 20 |
| Suspension | 1 | 0 | 6 |
| Wheels | 1 | 1 | 0 |
| Structure | 0 | 0 | 38 |
| Exterior lighting | 0 | 0 | 9 |
| Service brakes | 0 | 0 | 8 |
| Backover prevention | 0 | 0 | 6 |
| Lane departure | 0 | 0 | 3 |
What owners report
Short excerpts of NHTSA complaints in the original wording. These are owner statements not verified by NHTSA; personal data removed.
The car's steering failed and it ran into a parked car ay 15MPH on a resiential street. The car has been reviewed by insurance representatives. No warning lights appeared before the steering malfunction.
When driving tried to give it gas/accelerate and it stalled, jerks/chugs hard with no warnings. Then after the chugs stop when trying to give gas there is no response. Acts like the transmission is in protective mode.
Vehicle: 2020 Mercedes-Benz GLB 250 4MATIC Current mileage: Approximately 109,000 Date of most recent major incident:XXX I am reporting serious, recurring safety concerns involving my 2020 Mercedes-Benz GLB 250 4MATIC, including engine malfunction, loss of acceleration, repeated overheating, misfire warnings, and…
My 2023 Mercedes-Benz GLB 250 4MATIC, with approximately 70,000 miles, developed an intermittent Check Engine warning and began running rough and shaking during operation. The vehicle was taken to an authorized Mercedes-Benz dealership for diagnosis.
My 2020 Mercedes-Benz GLB has a serious, unresolved safety issue involving the hood-latch warning and windshield wipers. While I am driving, the hood-open warning appears and the windshield wipers cut in and out or shut off unexpectedly. This problem was already occurring by March 2026.
An authorized Mercedes-Benz dealership recently diagnosed the vehicle and performed a major cylinder head assembly job/replacement to resolve engine misfires and a persistent Check Engine Light.
What to check before buying
- Engine. Cold start, unusual noises, oil leaks and engine codes.
- Fuel/propulsion system. Fuel smell, leaks, rough running, fuel-system codes.
- Electrical system. Scan all modules, test the battery and alternator, inspect connectors near the impact zone.
- Powertrain. Shift quality under load, harsh shifts, transmission codes, CV joints.
Manufacturer service bulletins
Bulletin titles as filed with NHTSA.
- Complaint Clanking noise from the area of the speakers in the doors
- Complaint Slight creaking noises when steering
- Complaint Repeat workshop visit for vehicle vibration while braking from 60MPH. NOTE
- Complaint Radio station cover art does not refresh when switching stations
- Complaint Intermittent shift feel or thud/clunk noise perceived, such as a brief jerk or transmission…
- Complaint Temporary no start condition with check engine light and multiple warning messages
- Dear Mercedes-Benz Owner
- Complaint Frequent rear view camera flap actuations and/or noise associated. NOTE
- Complaint Customers may report one or more of the following
- Complaint Tailgate opens unintentionally
- Complaint 1
- Complaint Clanking noise from the area of the speakers in the doors
Repair videos
We do not copy videos: these are YouTube links credited to their authors. Amounts are as stated by the author and not verified by us.
Other models of this make
Read also
Sources: public NHTSA data (USA): service bulletins and owner complaints; YouTube: links to videos credited to their authors. Complaints are owner statements not verified by NHTSA, and describe defects rather than crash damage. Data updated 2026-11-05.