2020 Mercedes-Benz GLB 250 Body and structure Problems
- Complaints
- 14about this part
- Share
- 26%of 54 total for the year
- Median mileage
- 28,500miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 14 complaints about the body and structure of the 2020 Mercedes-Benz GLB 250, 26% of the 54 complaints for this model year. Where a mileage was given, the median is 28,500 miles. 5 recall campaigns on record are filed under a similar system.
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.
“New 2020 glb250 with 800 miles of highway driving. While on the highway driving at 75-80mph, the front fender flare (driver side) partially detached itself. This is the black piece of plastic trim around the outside of the wheel well. The front half of the flare piece was detached and flying in the wind, while the rear half remained attached. After stopping it was possible to reattach the piece and temporarily fix with duct tape, but would have been dangerous if it had fallen off. Picture of the temporary repair is attached.”
NHTSA complaint #11338964, filed 2020-07, 800 miles“Front bumper trim fell off while driving on highway! We had to serve while going 65 miles per hour on a highway. For NO REASON. There was no indication of a hazard. We immediately let sales person at the Mercedes Benz dealership know. We then reported 2 more times. The only response was a phone number to order a new front bumper trim!? No inspection no concern about this hazardous situation. No warn no messages the car was 1 week old.”
NHTSA complaint #11428024, filed 2021-08“I am submitting this formal complaint regarding a serious safety incident involving my 2020 Mercedes-Benz GLB, which directly reflects the defect outlined in Recall 20V-480 (Rear Spoiler Detachment). Although my VIN is not officially included in the affected range, the exact failure described in the recall occurred on my vehicle. On or about June 16, 2025, at approximately 3:00 p.m., I was driving and I noticed an object in my rearview mirror that had become airborne and was causing vehicles behind me to swerve to avoid it. …”
NHTSA complaint #11678410, filed 2025-08“The contact owns a 2020 Mercedes-Benz GLB250. The contact stated while driving 45 MPH, the rear spoiler detached from the vehicle. There were no warning lights illuminated. The vehicle was taken to the local dealer, where it was determined that the spoiler needed to be replaced. The vehicle was not repaired. The manufacturer was not contacted. The failure mileage was approximately 47,000.”
NHTSA complaint #11615360, filed 2024-09, 47,000 miles“The contact owns a 2020 Mercedes-Benz GLB250. The contact stated while opening the trunk of the vehicle, the rear spoiler detached from the vehicle. The vehicle was taken to the dealer, where it was diagnosed that the rear spoiler needed to be replaced. The vehicle was not repaired. The contact related the failure to NHTSA Campaign Number: 20V480000 (Structure) however, the VIN was not included. The manufacturer was notified of the failure and a case was filed. The failure mileage was approximately 35,000.”
NHTSA complaint #11529163, filed 2023-06, 35,000 milesRelated recalls
- 21V403000May 28, 2021Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2020 GLB250 vehicles. Water may enter through the wheel well area into the front occupant foot wells…Covers: Mercedes-Benz GLB 250 2020
- 21V231000Apr 1, 2021Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2021 GLB35 AMG, and 2020-2021 GLB250 vehicles. The side spoilers on the tailgate might not have been…Covers: Mercedes-Benz GLB 250 2020–2021, AMG GLB35 2021
- 21V232000Apr 1, 2021Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2020-2021 GLB250 vehicles. The wheel arch covers on the front fenders might not have been installed…Covers: Mercedes-Benz GLB 250 2020–2021
- 20V480000Aug 14, 2020Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2020 GLB250 vehicles. The rear spoiler above the tailgate may not have been welded correctly. This could…Covers: Mercedes-Benz GLB 250 2020
- 20V246000May 1, 2020Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2020 GLB 250 vehicles. Water may enter through the wheel well area into the front occupant foot wells…Covers: Mercedes-Benz GLB 250 2020
Related service bulletins
- 11038217Sep 14, 2026Complaint Clanking noise from the area of the speakers in the doors. Cause Under analysis. Remedy To narrow down the cause, first of all remove the door trim. • If the noise…
- 11036511Aug 24, 2026Complaint Tailgate opens unintentionally. Cause Accidental or unnoticed activation of the button to open the tailgate on the vehicle key. EXAMPLE: when stored in trouser pocket…
- 11036101Aug 6, 2026Complaint Clanking noise from the area of the speakers in the doors. Cause Under analysis. Remedy To narrow down the cause, first of all remove the door trim. • If the noise…
- 11032700May 13, 2026Complaint Wind noises in area along the top of windshield at speeds above 60mph. Cause Insufficient sealing between the windshield lip seal and the body. Remedy Preliminary…
- 11031256Apr 2, 2026Complaint Tailgate opens unintentionally. Cause Accidental or unnoticed activation of the button to open the tailgate on the vehicle key. EXAMPLE: when stored in trouser pocket…
- 11030295Mar 26, 2026Complaint The "easy entry and exit feature" function deactivates itself after a brief period. (see attachment) Cause The cause is currently being investigated. Remedy Update the…
- 11029083Feb 25, 2026Complaint Tailgate opens unintentionally. Cause Accidental or unnoticed activation of the button to open the tailgate on the vehicle key. E.g. when stored in trouser pocket…
- 11023155Sep 16, 2025Complaint Bulging and contact of the rear spoiler when hatch is opened (picture 1-1). When opening the rear hatch, the rear spoiler rests at the roof edge, which can result in…
- 11015617Mar 10, 2025Complaint Tailgate opens unintentionally. Cause Accidental or unnoticed activation of the button to open the tailgate on the vehicle key. E.g. when stored in trouser pocket…
- 11013192Jan 24, 2025Complaint Fuel door may require several attempts to open. Please note that if the complaint "Fuel filler flap not opening" occurs, it is important to check the fuel filler flap…
Body and structure: other model years
Other parts of the 2020 Mercedes-Benz GLB 250
11 complaintsElectrical system
10 complaintsEngine
6 complaintsSuspension
6 complaintsFuel system
5 complaintsAir bags
4 complaintsSteering
4 complaintsVehicle speed control
3 complaintsBack-over prevention (rear camera)
2 complaintsBrakes
2 complaintsTransmission and drivetrain
2 complaintsEquipment
1 complaints
← All problems reported for the 2020 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