Common problems by part
Mercedes-Benz GLB road wheels problems
DVSA MOT tests 2022–2025 · 12,047 MOT tests · Updated
At 3 years, 0.2 in 100 MOT tests of the Mercedes-Benz GLB failed on road wheels, against 0.1 for all class 4 vehicles the same age (all test years; 12,047 MOT tests) [1].
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- Against all class 4 vehicles the same age: about average for all class 4 vehicles the same age (all test years), 25 MOT tests with a fail
- By age: seen at 3 ages from 3 to 5 years, 21,415 MOT tests
- Most common fail: Road wheel attachment: fixing missing, 0.2 per 100 MOT tests
Figures are for the model as a whole, not for one car.
What the MOT tests show
What we know
0.2 fails per 100 MOT tests at 3 years, against 0.1 for all class 4 vehicles tested at 3 (all test years). That is about average.
Why it matters
A road wheels fail stops the car passing until it is fixed; the most common one is rated major by DVSA.
What to check
Look for cracked or badly kerbed rims and check that every wheel nut is present; a vibration through the wheel at speed points to a bent rim or balance.
Mercedes-Benz GLB road wheels fails by age
| Age | MOT tests | Fails per 100 | All class 4 vehicles the same age |
|---|---|---|---|
| 3 | 12,047 | 0.2 | 0.1 |
| 4 | 6,756 | 0.2 | 0.2 |
| 5 | 2,612 | 0.2 | 0.2 |
All first-use years of the Mercedes-Benz GLB pooled at each age, against all class 4 vehicles at that age over all 2022–2025 test years.
What fails in the road wheels at 3 years
Fails
- Road wheel attachment: fixing missing: 0.2 fails per 100 MOT tests, all class 4 vehicles 0.1. Replace missing wheel nut or bolt: estimated £10–£59 (0.1–0.5 h at £78/h (ONS local-garage repair quotes, 1,058 quotes from 65 garages, Sep 2025 to Aug 2026) + parts £2–£20) Road wheel fixing missing MOT fail
Replace missing wheel nut or bolt cost
Repair figures are estimates, not quotes: how we estimate repair costs.
Buying a Mercedes-Benz GLB? Check that exact car before the viewing.
Buying Report £14.99 incl. VAT · one car · no subscription · Not a mechanical inspection.
- Model risks for this year and fuel
- What similar cars did at their next MOT
- Repairs ahead
- Viewing checklist
How to check on a test drive
Look for cracked or badly kerbed rims and check that every wheel nut is present; a vibration through the wheel at speed points to a bent rim or balance.
Check one Mercedes-Benz GLB, not the average
The figures here describe Mercedes-Benz GLB cars as a group. These free tools answer for one car. Each line says what the tool reads.
- Check a Mercedes-Benz GLB's MOT history Every MOT test, fail item, advisory and mileage reading DVSA holds for that registration.
- MOT advisory checker Paste an advisory or defect to read DVSA's wording, its grade and what tends to happen at the next MOT.
Other Mercedes-Benz GLB problems
Road wheels on rival models
- Hyundai Tucson road wheels problems: 0.1 per 100 MOT tests at 3 years, against 0.2 for the Mercedes-Benz GLB (91,328 MOT tests)
- Volvo XC40 road wheels problems: 0.0 per 100 MOT tests at 3 years, against 0.2 for the Mercedes-Benz GLB (82,664 MOT tests)
- Vauxhall Grandland road wheels problems: 0.1 per 100 MOT tests at 3 years, against 0.2 for the Mercedes-Benz GLB (61,758 MOT tests)
Questions people ask
Does the Mercedes-Benz GLB have more road wheels problems than other cars?
0.2 in 100 MOT tests at 3 years, against 0.1 for all class 4 vehicles the same age: about average by our test (all test years; 12,047 MOT tests).
How common are Mercedes-Benz GLB road wheels problems?
0.2 in 100 MOT tests at 3 years failed on road wheels, against 0.1 for all class 4 vehicles the same age (all test years; 12,047 MOT tests).
What is the most common Mercedes-Benz GLB road wheels fail?
0.2 in 100 MOT tests at 3 years: Road wheel attachment: fixing missing (24 MOT tests with it).
Sources
- Driver and Vehicle Standards Agency, Anonymised MOT tests and results, 2022 to 2025. DVSA MOT data, Open Government Licence v3.0, 21,415 MOT tests. Accessed 7 Oct 2026.
- Office for National Statistics, Consumer price inflation, local price quotes (car repair items). ONS price quotes, series 610236. Accessed 7 Oct 2026.
Parts: against all class 4 vehicles at the same age, all 2022–2025 test years pooled, not adjusted for mileage. Breakdowns and non-MOT faults are not in this data. How we compare