2020 Mercedes-Benz GLB-Class reliability
The 2020 Mercedes-Benz GLB-Class has 60 complaints with NHTSA after 7 years, or 11 per year. That is the most complaints per year among the 5 GLB-Class years on this site. NHTSA has no recalls on file for this model year.
60
11
0
7
The complaints owners file most often name Structure (14 of 60), then Electrical system (11) and Engine (9). Those filings include 3 that report a crash, 1 that reports a fire, and 2 that report an injury.
The 2021 GLB-Class has 2 complaints, 0 per year. The 2020 has more complaints per year than the 2021.
The complaint rate is complaints filed in this year’s first 3 years on the road, divided by however many of those years have passed. Recalls are a separate count. The numbers are for the US-market 2020 Mercedes-Benz GLB-Class. How we count. Data as of .
Recalls (0)
No recalls on file with NHTSA for this model year.
Complaints by component (60 total)
Show 13 more Show less
3
1
2
0
Complaints filed per year
Excerpts from recent NHTSA complaint filings
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"The contact owns a 2020 Mercedes-Benz GLB250. The contact received notification of NHTSA Campaign: 26V481000 (Latches/Lock/Linkages); however, the part for the recall repair was not available. The contact stated that…"
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"I am submitting this complaint because I believe the repair performed under NHTSA Recall 21V990 / Mercedes-Benz Campaign 2022070009 in May 2024 failed to adequately correct the safety defect identified in the…"
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"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…"
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"Complete engine failure mid driving on highway. NO engine light prior to complete engine failure. Vehicle has been towed to two different Mercedes Benz auto dealerships. Both service directors concur that this should…"
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"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…"
NHTSA crash ratings
| Version | Overall | Front | Side | Rollover |
|---|---|---|---|---|
| 2020 Mercedes-Benz GLB-Class SUV 4WD | Not rated | Not rated | Not rated | Not rated |
| 2020 Mercedes-Benz GLB-Class SUV FWD | Not rated | Not rated | Not rated | Not rated |
Stars are how this vehicle did in NHTSA crash tests. They are a safety result, separate from the complaint record. Not rated means that test was not run for this version.
Specs and fitment
Known issues for this generation
Recall 21V-860 covers certain 2021 GLB 250 and AMG GLB 35 vehicles: the driver-side window air bag may not have been mounted correctly to the lower A-pillar area. Dealers inspect the mounting and repair it as necessary. Recall 21V-232 covers certain 2020-2021 GLB250 vehicles: front fender wheel-arch covers may not have been installed correctly and can detach; dealers check and correct the installation. Recall 21V-231 covers certain 2020-2021 GLB250 and 2021 GLB35 AMG vehicles: tailgate side spoilers may not have been installed correctly and can detach; dealers inspect and replace the spoilers as necessary.
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Frequently asked questions
Is the 2020 Mercedes-Benz GLB-Class reliable?
The 2020 Mercedes-Benz GLB-Class has 60 complaints with NHTSA after 7 years, or 11 per year. That is the most complaints per year among the 5 GLB-Class years on this site. NHTSA has no recalls on file for this model year.
What are common problems with a 2020 Mercedes-Benz GLB-Class?
The complaints owners file most often name Structure (14 of 60), then Electrical system (11) and Engine (9). Those filings include 3 that report a crash, 1 that reports a fire, and 2 that report an injury.
Is the 2020 Mercedes-Benz GLB-Class more reliable than the years next to it?
The 2021 GLB-Class has 2 complaints, 0 per year. The 2020 has more complaints per year than the 2021.
Has the 2020 Mercedes-Benz GLB-Class been recalled?
NHTSA has no recalls on file for the 2020 Mercedes-Benz GLB-Class.
How many complaints have owners filed about the 2020 Mercedes-Benz GLB-Class?
Owners have filed 60 complaints about the 2020 Mercedes-Benz GLB-Class with NHTSA.
What oil does a Mercedes-Benz GLB 250 take?
0W-20, 0W-30, or 0W-40 at all temps; 5W-30 or 5W-40 above -25°C for the GLB250 2.0L turbo — confirm the engine sticker.
What does recall 21V-860 cover on the GLB?
Certain 2021 GLB 250 and AMG GLB 35 vehicles: the driver-side window air bag may not have been mounted correctly to the lower A-pillar area. Dealers inspect the mounting and repair it as necessary.
When did the US GLB start?
Model year 2020 (X247 generation on this site).