2021 Mercedes-Benz GLB 250

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2021 Mercedes-Benz GLB 250
RENDERED 2026-08-02T12:03:44.116Z

Only 28 complaints on file — too few for a fair verdict.

This verdict reflects complaint volume compared to this model's typical year. Recalls and safety issues below apply regardless of the verdict — always check them.

Only 28 complaints on file — too few for a fair verdict. The data below is complete but unranked.

How is this computed?

COMPLAINTS PER YEAR

Complaints per year, Mercedes-Benz GLB 250 Bar chart of distinct NHTSA complaints filed per model year, 2021 highlighted. 2020: 51 complaints 2020 2021: 28 complaints 2021 2022: 11 complaints 2022 2023: 10 complaints 2023 2024: 4 complaints 2024 2025: 0 complaints 2025
2021: 28 complaints
View as data table
YearComplaints
202051
202128
202211
202310
20244
20250

KNOWN PROBLEM AREAS

Only 28 complaints on file for this model year -- too few to rank by share. Raw counts only, below.

ENGINE

7 of 28 total reports mention: engine.

SUSPENSION

4 of 28 total reports mention: suspension.

Show complaint excerpts

This vehicle was purchased new, in cash, from the Mercedes-Benz dealership in Bellevue, WA.

NHTSA ODI report, 20211229

ELECTRICAL SYSTEM

4 of 28 total reports mention: electrical system.

Show complaint excerpts

Entire electrical system went out while driving causing check engine light to come on after the failure of system; there was no dashboard working at all when the system went out; without the dashboard out it was not certain if the vehicle was safe...

NHTSA ODI report, 20231024

The contact owns a 2021 Mercedes-Benz GLB250. The contact received notification of NHTSA Campaign Number: 21V354000 (Back Over Prevention, Electrical System) however, the part to do the recall repair was not yet available.

NHTSA ODI report, 20220308

POWER TRAIN

3 of 28 total reports mention: power train.

WHEELS

2 of 28 total reports mention: wheels.

Show complaint excerpts

This vehicle was purchased new, in cash, from the Mercedes-Benz dealership in Bellevue, WA.

NHTSA ODI report, 20211229

SAFETY TIMELINE

R 20210312 — communication, electrical system

Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2016 - 2021 CLA-Class, GLA-Class, GLE-Class, GLS-Class, SLC-Class, A-Class, GT-Class, C-Class, E-Class, S-Class, CLS-Class, SL-Class, B-Class, GLB-Class, GLC-Class, and G-Class vehicles.

Remedy: MBUSA will notify owners, and the communication module software will be updated by a dealer, or through an over-the-air (OTA) update, free of charge. The recall began March 12, 2021. Owners may contact MBUSA customer service at 1-877-762-8267.

Campaign 21V058000 — check if this car was fixed

R 20210521 — structure

Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2020-2021 GLB250 vehicles. The wheel arch covers on the front fenders might not have been installed correctly, allow them to detach.

Remedy: MBUSA will notify owners, and dealers will check the installation of the front wheel arch covers and correct them as necessary, free of charge. Owner letters were mailed May 21, 2021. Owners may contact MBUSA customer service at 1-800-367-6372.

Campaign 21V232000 — check if this car was fixed

R 20210628 — back over prevention, electrical system

Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2019-2021 CLA-Class, GLE/GLS-Class, A-Class, E-Class, E-Class Coupe and Convertible, GLA/GLB-Class, GLC-Class, CLS-Class, and AMG GT-Class 4-door Coupe vehicles.

Remedy: The multimedia system software will be updated by a dealer, or through an over-the-air (OTA) update, free of charge. Owner notification letters were mailed beginning June 28, 2021. Owners may contact MBUSA customer service at 1-800-367-6373.

Campaign 21V354000 — check if this car was fixed

R 20210702 — structure

Mercedes-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 installed correctly, allowing them to detach.

Remedy: MBUSA will notify owners, and dealers will inspect and, if necessary, replace the side spoilers, free of charge. Owner letters were mailed July 2, 2021. Owners may contact MBUSA customer service at 1-800-367-6372.

Campaign 21V231000 — check if this car was fixed

R 20211221 — air bags

Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2021 GLB 250 and AMG GLB 35 vehicles. The driver-side window air bag may not have been mounted correctly to the lower area of the A-pillar.

Remedy: Dealers will inspect the mounting of the driver-side window air bag and repair it as necessary, free of charge. Owner notification letters were mailed December 2021. Owners may contact MBUSA customer service at 1-800-367-6372.

Campaign 21V860000 — check if this car was fixed

R 20220325 — air bags

Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2021 GLB 250 vehicles. These vehicles may be equipped with an incorrect front driver's air bag module.

Remedy: Dealers will inspect and replace the front driver's air bag, as necessary, free of charge. Owner notification letters were mailed March 25, 2022. Owners may contact MBUSA customer service at 1-800-367-6372.

Campaign 22V078000 — check if this car was fixed

R 20220610 — exterior lighting, suspension

Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2021 GLB 250 vehicles. The level sensor linkage on the rear axle might not have been installed properly, which could affect the headlight leveling function.

Remedy: Dealers will inspect and repair the level sensor linkage, as necessary, free of charge. Owner notification letters were mailed June 10, 2022. Owners may contact MBUSA customer service at 1-800-367-6372.

Campaign 22V314000 — check if this car was fixed

R 20220708 — communication, electrical system

Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2017-2022 CLA-Class, GLA-Class, GLE-Class, GLS-Class, SLC-Class, A-Class, AMG GT-Class, C-Class, E-Class, S-Class, SL-Class, GLC-Class, CLS-Class, GLB-Class, and G-Class vehicles.

Remedy: The communication module software will be updated through an Over-the-Air (OTA) update or by a dealer, free of charge. Owner notification letters were mailed July 8, 2022.

Campaign 22V365000 — check if this car was fixed

R 20220715 — back over prevention

Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2018-2021 CLA-Class, GLE/GLS-Class, A-Class, C-Class, E-Class, E-Class Coupe/Convertible, GLA/GLB-Class, GLC-Class, and CLS-Class vehicles.

Remedy: Dealers will update the rearview camera software, free of charge. Owner notification letters were mailed July 15, 2022. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2022060007.

Campaign 22V232000 — check if this car was fixed

R 20221028 — electronic stability control (esc)

Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2021 GLB250 vehicles.

Remedy: Dealers will replace the ESP unit, free of charge. Owner notification letters were mailed October 28, 2022. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2022090009.

Campaign 22V679000 — check if this car was fixed

BUY-SMART CHECKLIST

2021 Mercedes-Benz GLB 250 — pre-purchase inspection

  • Test/inspect for engine issues (7 reports on file for this year).
  • Test/inspect for suspension issues (4 reports on file for this year).
  • Test/inspect for electrical system issues (4 reports on file for this year).
  • Verify recall 21V058000 (communication, electrical system) has been completed.
  • Verify recall 21V232000 (structure) has been completed.
  • Verify recall 21V354000 (back over prevention, electrical system) has been completed.
  • Verify recall 21V231000 (structure) has been completed.
  • Verify recall 21V860000 (air bags) has been completed.
  • Verify recall 22V078000 (air bags) has been completed.
  • Verify recall 22V314000 (exterior lighting, suspension) has been completed.
  • Verify recall 22V365000 (communication, electrical system) has been completed.
  • Verify recall 22V232000 (back over prevention) has been completed.
  • Verify recall 22V679000 (electronic stability control (esc)) has been completed.

FAQ

Is the 2021 Mercedes-Benz GLB 250 reliable?

There isn't enough NHTSA complaint data on file yet to give this model year a verdict.

What are the most common problems with the 2021 Mercedes-Benz GLB 250?

The most-reported component is engine, accounting for 25% of complaints on file.

How many recalls does the 2021 Mercedes-Benz GLB 250 have?

10 recalls on file for this model year.

Data updated 2026-07-11 · Complaints are unverified owner reports filed with NHTSA, not independently verified defects. Methodology.