2021 Mercedes-Benz GLB-Class recalls

No safety recalls, 2 owner complaints and a 5-star NHTSA crash rating. Official NHTSA data.

No recalls found for the 2021 Mercedes-Benz GLB-Class in NHTSA’s database.

0Recalls
2Complaints
0Crashes & fires reported
5/5NHTSA overall rating

Not every 2021 Mercedes-Benz GLB-Class is affected by every recall. Check your VIN to see open recalls on your exact vehicle.

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2021 Mercedes-Benz GLB-Class owner complaints

2 complaints filed with NHTSA, including 0 crashes, 0 fires, 0 injuries and 0 deaths.

Problems by component

Engine2
Fuel/Propulsion System1
Electrical System1

Recent complaints

July 30, 2026EngineFuel/Propulsion System

As I was driving down road car began to lose power, check engine light came on and car went into limp mode. Car was towed to nearest repair shop where analysis was made. I was advised to take to dealership for repair. Advised that there was a service campaign issued by the manufacturer on GLB class with M260 motors. See attached report. Took car to MB dealer and informed that an update to the ECU was needed but not available at this time. See attached report. Returned home to PA called Mercedes main office Customer service to check warranty and coverage yes it covered once dealer verifies codes. Called NHTSA to report where they verified that the manufacturer had agreed to repair the issue a

June 9, 2026Electrical SystemEngine

While driving on the highway at 70mph my transmission malfunction warning light illuminated in red and my vehicle went into limp mode, creating a life threatening safety defect at highway speeds. I immediately took the vehicle to Mercedes Benz of Pittsburgh. The dealer's own diagnostic tech notes stated 'software is in preparation for concern' confirming this is a known safety defect on Mercedes' end. The dealer was unable to replicate the concern or produce stored fault codes but acknowledged software is actively being developed to address this issue. I contacted MBUSA who confirmed the only escalation path available is a buyback, meaning Mercedes cannot provide a timeline for the software

2021 Mercedes-Benz GLB-Class crash test ratings

VersionOverallFrontalSideRollover
2021 Mercedes-Benz GLB-Class SUV FWD★★★★★★★★★★★★★★★★★★★★
2021 Mercedes-Benz GLB-Class SUV 4WD★★★★★★★★★★★★★★★★★★★★

Driver aids on the tested 2021 Mercedes-Benz GLB-Class: electronic stability control standard, forward collision warning standard, lane departure warning no. Rollover risk: 17.9%.

2021 Mercedes-Benz GLB-Class recall FAQ

Does the 2021 Mercedes-Benz GLB-Class have any recalls?

No recalls are currently listed for the 2021 Mercedes-Benz GLB-Class. Check again before buying, as new recalls can be issued at any time.

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

Owners have filed 2 complaints with NHTSA. The most reported area is engine (2 reports), followed by fuel/propulsion system.

Is the 2021 Mercedes-Benz GLB-Class safe?

The 2021 Mercedes-Benz GLB-Class earned up to a 5-star overall safety rating in NHTSA’s New Car Assessment Program crash tests.

How do I get a recall fixed on my 2021 Mercedes-Benz GLB-Class?

Contact any authorized Mercedes-Benz dealer. Recall repairs are free, even if you are not the original owner or the warranty has expired.