DecodedCars2023 Mercedes-Benz GLB-Class
Trims, performance, features, fuel economy, safety and known problems — with the pros and cons against similar 2023 models.
- Class
- Special Purpose Vehicle 2WD
- Body styles
- 250 4matic 4dr SUV, Amg 35 4dr SUV
- Engines
- 2.0L 4-cyl turbo
- Drivetrain
- Front-Wheel Drive, All-Wheel Drive
- Fuel
- Premium Gasoline
- MPG (best)
- 27 combined · 24 city / 32 hwy
- Length
- 182.3 in
- Curb weight
- 3,759–3,869 lb
- NHTSA rating
- ★★★★★
- Recalls
- 0 campaigns
Pros & cons
What's good
- Excellent fuel economyUp to 27 MPG combined — 25% better than the average 2023 special purpose vehicle (21.6 MPG).
- AWD / 4WD available
- 5-star NHTSA safety ratingTop overall score in federal crash tests.
- 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 28 similar 2023 models — not a review. How we calculate this →
Overview
The 2023 Mercedes-Benz GLB-Class is a special purpose vehicle offered with a 2.0L 4-cyl turbo engine and front-wheel drive and all-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 (250 4matic 4dr SUV).
EPA rates its most efficient version at 27 MPG combined (24 city / 32 highway), 25% better than the 2023 special purpose vehicle average of 21.6 MPG, for an estimated $3,050 a year in fuel.
In NHTSA crash testing it earned the top 5-star overall rating.
There are no recalls or owner complaints on file with NHTSA for this model year.
What changed for 2023
No changes to engines, powertrains, drivetrains, size, EPA ratings or NHTSA crash rating compared with the 2022 GLB-Class — a carry-over year in the data.
Compared with 2022; trim, feature and price changes aren't covered. See the 2022 GLB-Class →
Dimensions & weight
| Body | Length | Width | Height | Wheelbase | Track F / R | Curb weight | Weight F/R |
|---|---|---|---|---|---|---|---|
| 250 4matic 4dr SUV | 182.3 in | 72 in | 66.5 in | 111.4 in | 63.4 / 63.4 in | 3,759 lb | 57/43 |
| Amg 35 4dr SUV | 182.3 in | 72 in | 65.4 in | 111.4 in | 63.4 / 63.4 in | 3,869 lb | 57/43 |
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 | 24 / 32 / 27 | +25% | $3,050 | 330 |
| GLB250 4matic | 2.0L 4-cyl turbo | Automatic (AM8) | All-Wheel Drive | 22 / 30 / 25 | 0% | $3,300 | 355 |
| AMG GLB35 4matic | 2.0L 4-cyl turbo | Automatic (AM8) | All-Wheel Drive | 21 / 27 / 23 | +12% | $3,550 | 382 |
EPA estimates; "vs. class" is combined MPG against the 2023 EPA class average. How we calculate this →
Safety ratings & technology
| Version | Overall | Frontal | Driver / passenger | Side | Side pole | Rollover | Rollover risk |
|---|---|---|---|---|---|---|---|
| 2023 Mercedes-Benz GLB-Class SUV AWD | ★★★★★ | ★★★★★ | 5★ / 4★ | ★★★★★ | ★★★★★ | ★★★★★ | 15.9% |
| 2023 Mercedes-Benz GLB-Class SUV FWD | ★★★★★ | ★★★★★ | 5★ / 4★ | ★★★★★ | ★★★★★ | ★★★★★ | 17.9% |
Similar 2023 special purpose vehicles
| Model | Best MPG / range | NHTSA overall | Recalls |
|---|---|---|---|
| 2023 Mercedes-Benz GLB-Class (this car) | 27 MPG | ★★★★★ | 0 |
| 2023 Tesla Model Y | 330 mi | Not rated | 17 |
| 2023 BMW X3 | 25 MPG | ★★★★★ | 4 |
| 2023 Porsche Macan | 21 MPG | Not rated | 0 |
| 2023 Audi Q5 | 26 MPG | Not rated | 6 |
| 2023 BMW X1 | 28 MPG | Not rated | 6 |
| 2023 Volvo XC60 | 28 MPG | Not rated | 6 |
Recalls (0)
No vehicle recalls on file with NHTSA for the 2023 Mercedes-Benz GLB-Class.
Check your VIN for open recalls at NHTSA ↗Not every 2023 Mercedes-Benz GLB-Class is affected — only a VIN check confirms your car.
Owner-reported problems
No owner complaints for the 2023 Mercedes-Benz GLB-Class in NHTSA's database since 2015.
Used 2023 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 2023 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 |
| 2022 GLB-Class | 27 | 182.3 in | ★★★★★ | 0 | 0 |
| 2021 GLB-Class | 26 | 182.3 in | ★★★★★ | 0 | 0 |
| 2020 GLB-Class | 26 | 182.3 in | Not rated | 0 | 0 |
Sources: EPA, NHTSA, Transport Canada, Wikimedia Commons. Not affiliated with NHTSA, the EPA or Mercedes-Benz. How we calculate this →