DecodedCars2020 Mercedes-Benz GLB-Class
Trims, performance, features, fuel economy, safety and known problems — with the pros and cons against similar 2020 models.
- Class
- Small Sport Utility Vehicle 2WD
- Body styles
- 4dr SUV
- Engines
- 2.0L 4-cyl turbo
- Drivetrain
- Front-Wheel Drive, 4-Wheel Drive
- Fuel
- Premium Gasoline
- MPG (best)
- 26 combined · 23 city / 31 hwy
- Length
- 182.3 in
- Curb weight
- 3,759 lb
- NHTSA rating
- Not rated
- Recalls
- 0 campaigns
Pros & cons
What's good
- AWD / 4WD available
- Few owner complaints0 complaints filed with NHTSA versus about 28 for similar models.
- No recalls so far
Watch out for
- Premium fuel requiredEvery gasoline version is rated for premium, which raises running costs.
Calculated from EPA, NHTSA and vPIC data against 21 similar 2020 models — not a review. How we calculate this →
Overview
The 2020 Mercedes-Benz GLB-Class is a small SUV offered with a 2.0L 4-cyl turbo engine and front-wheel drive and 4-wheel drive.
It measures about 182 inches long and 72 inches wide on a 111-inch wheelbase, with a curb weight of roughly 3,759 lb.
EPA rates its most efficient version at 26 MPG combined (23 city / 31 highway), 2% better than the 2020 small SUV average of 25.6 MPG, for an estimated $3,150 a year in fuel.
NHTSA has not published a 5-Star overall rating for this model year.
There are no recalls or owner complaints on file with NHTSA for this model year.
Dimensions & weight
| Body | Length | Width | Height | Wheelbase | Track F / R | Curb weight | Weight F/R |
|---|---|---|---|---|---|---|---|
| 4dr SUV | 182.3 in | 72 in | 65.4 in | 111.4 in | 63.4 / 63.4 in | 3,759 lb |
Transport Canada CVS (Open Government Licence – Canada), Canadian-market figures.
Will it fit your garage? Check with your measurements →Engines, MPG & running costs
| Version | Engine | Transmission | Drive | City / Hwy / Comb | vs. class | Fuel / yr | CO₂ g/mi |
|---|---|---|---|---|---|---|---|
| GLB250 | 2.0L 4-cyl turbo | Automatic (AM8) | Front-Wheel Drive | 23 / 30 / 26 | +2% | $3,150 | 344 |
| GLB250 4matic | 2.0L 4-cyl turbo | Automatic (AM8) | 4-Wheel Drive | 23 / 31 / 26 | +11% | $3,150 | 338 |
EPA estimates; "vs. class" is combined MPG against the 2020 EPA class average. How we calculate this →
Safety ratings & technology
NHTSA has not published 5-Star ratings for the 2020 Mercedes-Benz GLB-Class.
Similar 2020 small SUVs
| Model | Best MPG / range | NHTSA overall | Recalls |
|---|---|---|---|
| 2020 Mercedes-Benz GLB-Class (this car) | 26 MPG | Not rated | 0 |
| 2020 Tesla Model Y | 316 mi | ★★★★★ | 24 |
| 2020 Land Rover Defender | 19 MPG | Not rated | 7 |
| 2020 BMW X3 | 27 MPG | ★★★★★ | 16 |
| 2020 Porsche Macan | 21 MPG | Not rated | 2 |
| 2020 Audi Q5 | 27 MPG | ★★★★★ | 6 |
| 2020 Volvo XC60 | 27 MPG | Not rated | 7 |
Recalls (0)
No vehicle recalls on file with NHTSA for the 2020 Mercedes-Benz GLB-Class.
Check your VIN for open recalls at NHTSA ↗Not every 2020 Mercedes-Benz GLB-Class is affected — only a VIN check confirms your car.
Owner-reported problems
No owner complaints for the 2020 Mercedes-Benz GLB-Class in NHTSA's database since 2015.
Used 2020 Mercedes-Benz GLB-Class buyer's checklist
- Run the VIN at nhtsa.gov/recalls. No recalls on file, but check anyway.
- Before you pay: service records, a history report and an independent inspection.
Generated by DecodedCars from NHTSA recalls and owner complaints for the 2020 Mercedes-Benz GLB-Class. Not a substitute for a professional inspection.
Other GLB-Class years
Compare all years →| Year | MPG (best) | Length | Overall | Recalls | Complaints |
|---|---|---|---|---|---|
| 2026 GLB-Class | 28 | 182.3 in | Not rated | 0 | 0 |
| 2025 GLB-Class | 28 | 182.3 in | Not rated | 0 | 0 |
| 2024 GLB-Class | 28 | 182.3 in | Not rated | 0 | 0 |
| 2023 GLB-Class | 27 | 182.3 in | ★★★★★ | 0 | 0 |
| 2022 GLB-Class | 27 | 182.3 in | ★★★★★ | 0 | 0 |
| 2021 GLB-Class | 26 | 182.3 in | ★★★★★ | 0 | 0 |
Sources: EPA, NHTSA, Transport Canada, Wikimedia Commons. Not affiliated with NHTSA, the EPA or Mercedes-Benz. How we calculate this →