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 £3,985 for a typical 5-year-old example, breaking down to £332/month or 54p/mile.
NCAP Safety
2019
Monthly Cost
£332
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 30 known DVSA recalls affecting the Mercedes-Benz Glb. Enter a registration number to check whether a specific vehicle is affected.
R/2026/315
Mercedes-Benz AG has determined that in certain CLA (174 platform) and GLB (244 platform) vehicles the circuit board for the power electronics of the rear electric drive unit might not meet the specifications.
Build dates: 2025-03-26 to 2025-03-26
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
+ 25 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 £3,985 per year, or £332 per month.
Fuel
£1,439
/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 £3,985 per year (£332/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 30 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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