2022 Mercedes-Benz GLB-Class — Full Specifications
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The 2022 Mercedes-Benz GLB-Class is an estate/wagon powered by a 2L 4-cyl turbo premium gasoline engine. Its most fuel-efficient configuration returns around 32 mpg (UK) / 27 mpg (US EPA) combined, with 26–32 mpg (UK) across all configurations. Owners often keep a Mercedes-Benz GLB-Class workshop manual to hand for servicing and repairs.
Compared with the 2021 Mercedes-Benz GLB-Class: Fuel economy is essentially unchanged at around 32 mpg (UK) combined. The engine line-up listed by EPA is unchanged. The overall NHTSA rating moves from 4★ to 5★.
Full Specifications
| Engine | 2L 4-cyl turbo |
|---|---|
| Transmission | Automatic (AM8) |
| Fuel Type | Premium Gasoline |
| Powertrain | Conventional |
| Drive | Front-Wheel Drive |
| Body Style | Estate/Wagon |
| Passenger Volume (EPA) | 125 cu ft (3,540 L) |
| Luggage Volume (EPA) | 12 cu ft (340 L) |
| Fuel Economy (UK) | 32 combined / 29 urban / 38 extra-urban mpg |
| Fuel Economy (US EPA) | 27 combined / 24 city / 32 highway mpg |
| CO₂ Emissions | 205 g/km |
| EPA Greenhouse Gas Score | 5 / 10 (10 = lowest emissions) |
| EPA Est. Annual Fuel Cost | $3,050 (15,000 mi/yr, US prices) |
Engine & Transmission Options
EPA lists 2 configurations for the 2022 Mercedes-Benz GLB-Class, all with the 2L 4-cyl turbo engine. Combined fuel economy ranges from 22 to 27 mpg (US), or 26 to 32 mpg (UK), depending on engine, transmission and drive. The headline figures at the top of this page describe the most fuel-efficient configuration.
| Engine | Transmission | Drive | MPG (UK) | MPG (US) | CO₂ g/km | Fuel cost / yr |
|---|---|---|---|---|---|---|
| 2L 4-cyl turbo | Automatic (AM8) | All-Wheel Drive | 26 | 22 (20/27) | 246 | $3,750 |
| 2L 4-cyl turbo | Automatic (AM8) | Front-Wheel Drive | 32 | 27 (24/32) | 205 | $3,050 |
MPG (US) shows combined, with city/highway in brackets. Highlighted row = the configuration used for the headline figures. Source: US EPA fueleconomy.gov.
EPA measures interior passenger volume at 125 cubic feet (about 3,540 litres) and luggage volume at 12 cubic feet (about 340 litres). These are US EPA interior-volume figures; they are measured differently from the boot capacity numbers UK manufacturers quote.
Owner Essentials for the 2022 Mercedes-Benz GLB-Class
Running Costs: 2022 Mercedes-Benz GLB-Class
Covering around 8,000 miles a year in a 2022 Mercedes-Benz GLB-Class at 32 mpg combined, expect roughly 1,136 litres of fuel annually — multiply by your local price per litre for a cost estimate. For US owners, the EPA estimates about $3,050 a year in fuel for the most efficient configuration (15,000 miles, national average prices). Work out exact fuel costs with the fuel cost calculator on 247Calculators.
Convert between MPG and L/100km with the unit converters on 247QuickTools. Not sure what tyre size fits? 247TyreCheck explains tyre sizing.
Planning a road trip? Grab a road trip packing list. Only need this car occasionally? See our buy vs rent comparison.
2022 Mercedes-Benz GLB-Class Safety Ratings (NHTSA)
Recalls & Owner Complaints (NHTSA)
NHTSA lists no safety recall campaigns for the 2022 Mercedes-Benz GLB-Class as of 6 October 2026. Recalls can be issued years after a model is sold, so it is still worth checking your own VIN.
Owners have filed 13 complaints with NHTSA about the 2022 Mercedes-Benz GLB-Class. The most-reported areas are Unspecified (4), Forward collision avoidance (4), Vehicle speed control (2). Complaints include 2 reported crashes, 2 reported injuries. That is close to the median of 13 complaints across the 4 Mercedes-Benz GLB-Class model years in our data.
Used-buyer checklist for the 2022 Mercedes-Benz GLB-Class
Based on where NHTSA recalls and owner complaints cluster for this model year, these are the areas worth checking before you buy:
- Driver-assist sensors (4 owner complaints) — Check that driver-assist warning lights are off and sensors are clean and undamaged.
- Throttle & cruise control (2 owner complaints) — Check throttle response and cruise control are smooth, and ask about any software or throttle recalls.
- Electrical system (2 owner complaints) — Test every switch, window, light and warning lamp on a test drive, and ask about battery or alternator replacements.
Source: US NHTSA recall and consumer-complaint databases, retrieved 6 October 2026. Complaints are unverified owner reports, not confirmed defects. Check any vehicle by VIN at nhtsa.gov/recalls, and see our guide to checking a used car for recalls.
How It Compares
How does the Mercedes-Benz GLB-Class compare to similar estate/wagons? For context, estate/wagons in our database average around 34 mpg (UK) combined — this model's 32 mpg figure is 2 mpg below that average. This comparison is based on 194 estate/wagons in our dataset.
Mercedes-Benz models in our database average about 26 mpg (UK) combined on their most efficient configuration; the 2022 Mercedes-Benz GLB-Class's 32 mpg is 6 mpg above that make average. Its 205 g/km CO₂ figure is 63 g/km lower than the 268 g/km Mercedes-Benz average.
Of the 7 Mercedes-Benz GLB-Class model years we cover, the 2022 ranks 4th for combined fuel economy on its best configuration (32 mpg UK combined, against a high of 34 mpg). See every Mercedes-Benz GLB-Class year side by side.
Last updated: · Data: US EPA (fueleconomy.gov) and NHTSA safety ratings 18 July 2026; NHTSA recalls and complaints 6 October 2026; Wikidata & curated EU catalogue 18 July 2026; European generation and engine data from Wikipedia 7 October 2026
Vehicle data sourced from manufacturer specifications. Always verify with your vehicle handbook or a qualified mechanic. This is a reference tool, not professional advice.
Recommended Accessories for the 2022 Mercedes-Benz GLB-Class
Frequently Asked Questions
What engine does the 2022 Mercedes-Benz GLB-Class have?
It's fitted with a 2L 4-cyl turbo premium gasoline engine, paired with a automatic (am8) transmission.
What is the fuel economy of the 2022 Mercedes-Benz GLB-Class?
The most efficient configuration returns around 32 mpg (UK) combined, or 27 mpg on the US EPA cycle. Across all configurations the UK combined figure runs from 26 to 32 mpg.
How much does the 2022 Mercedes-Benz GLB-Class cost to fuel per year?
The US EPA estimates about $3,050 a year in fuel for the most efficient configuration, based on 15,000 miles of mixed driving and national average fuel prices. Your own cost will depend on mileage and local prices.
Does the 2022 Mercedes-Benz GLB-Class have a good safety rating?
It holds an overall NHTSA rating of 5 stars, with 4 stars for frontal crash protection.
Does the 2022 Mercedes-Benz GLB-Class have any recalls?
NHTSA lists no safety recall campaigns for the 2022 Mercedes-Benz GLB-Class as of 6 October 2026. Recalls can be issued years after a model is sold, so it is still worth checking your own VIN.
What are the most common problems reported for the 2022 Mercedes-Benz GLB-Class?
Among the 13 owner complaints filed with NHTSA, the most-reported areas are Unspecified (4 complaints), Forward collision avoidance (4 complaints), Vehicle speed control (2 complaints). Complaints are unverified owner reports, not confirmed defects, and raw counts rise with how many cars were sold.
How much interior and luggage space does the 2022 Mercedes-Benz GLB-Class have?
EPA measures interior passenger volume at 125 cubic feet (about 3,540 litres) and luggage volume at 12 cubic feet (about 340 litres). These are US EPA interior-volume figures, which are measured differently from the UK boot-capacity numbers manufacturers quote.
Is the Mercedes-Benz GLB-Class's fuel economy good for an estate/wagon?
It returns around 32 mpg (UK) combined, against a same-body-style average of roughly 34 mpg among the estate/wagons we track.