Large SUV

2021 Mercedes-Benz GLB-Class: problems, recalls and fuel economy

Not rated yet

Owners have filed 55 complaints about the 2021 Mercedes-Benz GLB-Class with NHTSA, and it has 12 recalls. We don't rate it yet: a rating needs sales figures to turn complaints into rates.

Owner complaints

55

filed with NHTSA

Recalls

12

on record

Fuel economy

26 mpg

best version, EPA combined

Fuel, 5 years

$7,846

12,000 mi a year, $3.40/gal

What owners complain about most

Engine & cooling10
Body, glass & interior6
Suspension5
Electrical system5

Engines and fuel economy

VersionDriveCombined
Automatic (AM8), 4 cyl, 2.0 LFront-Wheel Drive26 mpg
Automatic (AM8), 4 cyl, 2.0 L4-Wheel Drive26 mpg
Automatic (AM8), 4 cyl, 2.0 L4-Wheel Drive23 mpg

Recalls

Check whether a specific car still has open recalls with its VIN at nhtsa.gov/recalls.

Before you buy

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Other years of the Mercedes-Benz GLB-Class

YearReliability
2026Not rated yet
2025Not rated yet
2024Not rated yet
2023Not rated yet
2022Not rated yet
2021Not rated yet
2020Not rated yet

Questions people ask

What problems does the 2021 Mercedes-Benz GLB-Class have?

Owners have filed 55 complaints with NHTSA: engine & cooling (10), body, glass & interior (6), suspension (5). We don't rate it yet, so this count isn't a reliability score: popular cars get more complaints.

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

12 recalls on record with NHTSA.

What gas mileage does the 2021 Mercedes-Benz GLB-Class get?

Up to 26 mpg combined (EPA), depending on the engine.