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Mercedes-Benz GLB: X247 generation, engines and trims
The Mercedes-Benz GLB is a compact yet spacious SUV that can be had with seven seats. We look at the X247 generation and its updates, engines, trims, and what to check when buying a used GLB.
GLB in brief
The GLB was introduced in 2019 and is built on the same front-wheel-drive platform as the A and B-Class cars. Unlike the more coupe-like GLA, the GLB has a boxy, tall body, so there's more headroom inside, and the boot is larger.
The GLB's standout feature is the option to specify a third row of seats. This is intended for kids or shorter adults and short journeys, but for families, it's a practical choice when you occasionally need more space. The electric version of this model is sold separately as the EQB.
X247 versions — what's the difference
Early 2019–2023 GLB models have the MBUX infotainment system with two screens, controlled by a touchpad, voice, and steering wheel buttons. These cars are the cheapest on the used market and are already well-developed technically.
The 2023 refreshed GLB gets different bumpers and headlights, a newer MBUX software, a new steering wheel, and petrol engines get a 48V mild-hybrid system. The refreshed versions no longer have a touchpad on the centre console.
Currently, the used market is almost exclusively populated by the X247 generation. For most buyers, the most sensible choice is a 2021–2023 model, and if the latest tech and a mild hybrid are important, then the refreshed version is the way to go.
Engines and transmissions
The petrol GLB 180 and GLB 200 come with a 1.3-litre turbo engine (the GLB 200 produces around 163hp), while the GLB 250 4MATIC gets a 2.0-litre unit (around 224hp). The diesel GLB 180 d, 200 d and 220 d all have a 2.0-litre engine producing around 116–190hp, and are popular for their low running costs.
The sportiest version is the Mercedes-AMG GLB 35 4MATIC with a 2.0-litre turbo engine (around 306hp). In 4MATIC versions, the rear wheels are engaged by a multi-plate clutch, so the car usually drives primarily via the front wheels.
All GLB models come with automatic dual-clutch transmissions: the less powerful petrol engines get a 7G-DCT, while diesels and more powerful engines get an 8G-DCT. Manual transmissions are practically unheard of in Europe.
What to check when buying a used GLB
On the move, test the car’s pull-away and low-speed manoeuvring: the dual-clutch transmission should operate smoothly. Hesitation or judders when shifting could indicate a need for software updates or repairs. Ask if the manufacturer’s updates have been carried out.
For diesel cars that have done a lot of urban miles, check the particulate filter and AdBlue system — faults often show up on the dashboard. For all cars, check the service history, as GLB models are often imported from other countries.
Check that the multimedia, cameras, and driver-assistance systems work, and if the car is a seven-seater, ensure the third-row seats fold down and back up easily. Inspect the body for painted-over details, especially bumpers and scratches.
Trims
Equipment varies by market and year; after the 2023 update, much of the equipment is offered in packages (e.g., Advanced, Premium). We list the trims most commonly found in Europe.
Style
X247 (up to 2023)The base trim with essential equipment.
- Light-alloy wheels
- LED headlights
- MBUX infotainment system
Progressive
X247A more popular, comfortable version.
- Luxurious interior trim and chrome details
- Often — larger screens and ambient lighting
- Often — electrically opening tailgate
AMG Line
X247The most commonly found sporty-looking version on the used market.
- AMG bumpers and larger wheels
- Sport seats and steering wheel
- Often — digital instrument cluster and larger screens
Mercedes-AMG GLB 35
X247Sporty version with a powerful engine and four-wheel drive
- 2.0-litre turbo engine, around 306 hp
- Sporty handling and larger brakes
- AMG interior trim
GLB trim level comparison
| Style | Progressive | AMG Line | AMG GLB 35 | |
|---|---|---|---|---|
| Who it's for | Daily driving | Comfort and family | Sporty looks | Driving pleasure |
| Alloy wheels (usually) | 17–18 inch | 18 inch | 18–19 model year | 19–20 model year |
| Interior | Base | Luxury trim | Sport seats | AMG trim |
| Engine | GLB 180–200, 180 d–200 d | GLB 200–250, 200 d–220 d | GLB 200–250, 200 d–220 d | 2.0 l, around 306 hp |
| Price in the used market (relatively) | € | €€ | €€ | €€€ |
Most buyers' best bet is the Progressive or AMG Line with the GLB 200 d or 220 d engine. The AMG GLB 35 is only worth considering if performance is your top priority.
Pros
- Spacious interior and large boot for its size
- Optional third row of seats
- Economical diesel engines
- Modern MBUX multimedia and driver assistance systems
Cons
- The third row is only suitable for kids and short trips
- The dual-clutch transmission can struggle in slow traffic
- More expensive than many rivals in the used market
Frequently asked questions
Is the GLB really a seven-seater?
Only if the car is ordered with the third row of seats – most GLBs are five-seaters. The third row is for kids or shorter passengers, and deploying it significantly reduces boot space.
How does the GLB differ from the GLA?
The GLA is lower and more compact, while the GLB is taller, boxier, and roomier, with a larger boot and optional third row of seats. The GLB is the more practical choice for families.
Which GLB engine should you choose?
For high-mileage drivers, the GLB 200 d and 220 d diesels are the best bets, while city dwellers might prefer the petrol GLB 200. The 4MATIC all-wheel-drive system is worth seeking out if you often drive on rough roads or in winter.
Updated 2026-10-09 · Trim levels and equipment vary by market and model year — check the equipment of the specific car. · Translated automatically
