Mercedes-Benz Glb — Buyer's Guide
Reliability, safety, running costs and what to check before you buy.
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Mercedes-Benz Glb overview
With 103 currently licensed in the UK, the Mercedes-Benz Glb is one of Britain's well-known cars.
Euro NCAP awarded the Glb 5 stars in 2019, with 92% adult occupant and 88% child protection scores.
Annual running costs are estimated at £3,952 for a typical 5-year-old example, breaking down to £329/month or 53p/mile.
NCAP Safety
2019
Monthly Cost
£329
est. annual total
New From
£42,000
Safety rating
Euro NCAP tested the Glb in 2019 and awarded it 5 out of 5 stars.
Adult Occupant
92%
Child Occupant
88%
Pedestrian
78%
Safety Assist
74%
Safety recalls
There are 29 known DVSA recalls affecting the Mercedes-Benz Glb. Enter a registration number to check whether a specific vehicle is affected.
R/2026/203
Mercedes-Benz AG has determined that on certain CLA (174 platform) and GLB (244 platform) vehicles the software of the communication module might not meet the intended specification.
Build dates: 2025-11-25 to 2026-02-27
R/2024/441
Mercedes-Benz AG has determined that the surface of the inner side wall of right-side installed tyres on certain GLB (247 platform) vehicles might be damaged.
Build dates: 2024-06-17 to 2024-07-16
R/2024/166
On affected vehicles the backup function of the steering software might not meet specifications. As a result the steering power support might be impaired and a loss of steerability cannot be ruled out.
Build dates: 2019-06-06 to 2024-01-31
R/2023/185
On affected vehicles the corrosion protection of the integral carrier of the front axle might not be sustained over the lifetime of the vehicle.
Build dates: 2019-06-06 to 2020-07-17
R/2022/284
The Electronic stability program (ESP) unit might be mechanically damaged.
Build dates: 2020-10-19 to 2020-10-24
+ 24 more recalls. Check a specific vehicle to see the full list.
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Running costs
Annual running costs for a typical 5-year-old Mercedes-Benz Glb are estimated at around £3,952 per year, or £329 per month.
Fuel
£1,406
/year
Road Tax
£195
/year
Depreciation
£1,696
/year
MOT
£55
/year
Estimated annual running costs based on available data. Excludes insurance, parking, and finance costs. Actual costs depend on your driving habits and circumstances.
Fuel economy
The Glb achieves a combined fuel economy of around 40.9 mpg (30.4 mpg urban, 40.9 mpg extra-urban).
| Variant | Fuel | Combined | Engine |
|---|---|---|---|
| GLB MODEL YEAR 2020.5 | PETROL | 40.9 mpg | 1.3L |
| GLB MODEL YEAR 2020.5 | DIESEL | 52.3 mpg | 1.9L |
| GLB MODEL YEAR 2022 | PETROL | 34.9 mpg | 1.3L |
| GLB MODEL YEAR 2022 | DIESEL | 44.8 mpg | 1.9L |
| GLB MODEL YEAR 2022 | PETROL | 30.4 mpg | 2.0L |
| GLB MODEL YEAR 2023 | PETROL | 40.9 mpg | 1.3L |
| GLB MODEL YEAR 2023 | DIESEL | 51.4 mpg | 1.9L |
| GLB MODEL YEAR 2023 | PETROL | 32.1 mpg | 2.0L |
Depreciation
Starting from £42,000 new, a Mercedes-Benz Glb typically retains about 56% after 3 years and 46% after 5 years.
| Age | Retained | Est. Value | Lost |
|---|---|---|---|
| 1 year | 75% | £31,500 | −£10,500 |
| 2 years | 64% | £26,750 | −£15,250 |
| 3 years | 56% | £23,550 | −£18,450 |
| 4 years | 50% | £21,200 | −£20,800 |
| 5 years | 46% | £19,500 | −£22,500 |
| 6 years | 43% | £18,150 | −£23,850 |
| 7 years | 41% | £17,050 | −£24,950 |
| 8 years | 39% | £16,200 | −£25,800 |
| 9 years | 37% | £15,400 | −£26,600 |
| 10 years | 35% | £14,600 | −£27,400 |
How common is the Glb?
There are currently 103 licensed and 0 SORN Glbs in the UK (103 total). This makes it a very rare vehicle on UK roads.
Frequently asked questions
How safe is the Mercedes-Benz Glb?
Euro NCAP awarded the Glb 5 out of 5 stars when tested in 2019. It scored 92% for adult occupant protection, 88% for child occupant protection, 78% for vulnerable road users, and 74% for safety assist features.
How much does a Mercedes-Benz Glb cost to run?
Annual running costs for a typical 5-year-old Glb are estimated at around £3,952 per year (£329/month). This includes fuel, road tax, depreciation, and MOT fees — but excludes insurance, servicing, and repairs.
Are there any recalls on the Mercedes-Benz Glb?
There are 29 known safety recalls affecting the Glb. These are issued by the DVSA when a safety defect is found. You can check if a specific vehicle is affected by entering its registration number.
How much does a new Mercedes-Benz Glb cost?
A new Glb starts from around £42,000. After 5 years, a typical example retains about 46% of its original value.
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