At a Glance
The Mercedes-benz Glb-class has 1 identified common problems across 1 generation, with the X247 (2019-2025) being the most affected generation and tyres & wheels the most common problem category. Based on 10K MOT tests from DVSA data.
Problems are patterns in the DVSA data that occur significantly more often on a specific model than the UK average — confirmed at 99% statistical confidence. Read our DVSA MOT data methodology →
Below: generation-by-generation comparison of Mercedes-benz Glb-class common problems, MOT failure types, and pass-rate data drawn from DVSA records. Click any generation to see fuel- and engine-specific fault patterns, mileage-banded repair guidance, and the most common MOT failures testers record.
MOT Tests & Failures by Generation
Mercedes-benz Glb-class generations by MOT tests, failures, and identified problems from DVSA data
Hover over each bar for a full breakdown. Tap any bar to view that generation's problems.
Showing total MOT tests, failures, and known problems per make. Hover over each bar for a full breakdown.
Tell Us About Your Problem
Help other Mercedes-benz Glb-class owners — report a problem and we'll add it to the database
Tell Us About Your Problem
Help other Mercedes-benz Glb-class owners — report a problem and we'll add it to the database
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Browse Mercedes-benz Glb-class Generations
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Most Common Mercedes-benz Glb-class MOT Failures
Every reason Mercedes-benz Glb-class vehicles fail their MOT, ranked by frequency. Select an individual year to see only that year’s failures, or stay on ‘All time’ for the combined picture across our 20 years of DVSA data. Scroll inside the table for the full list.
| # | Failure | % of failures |
|---|---|---|
| 1 | Tyre tread depth below limit | 17.05% |
| 2 | Tyre condition | 16.72% |
| 3 | Brake pads or linings worn | 14.41% |
| 4 | Wiper blades deteriorated | 12.65% |
| 5 | Windscreen damage affecting view | 4.95% |
| 6 | Airbag warning light on | 3.63% |
| 7 | Seat belt condition | 3.63% |
| 8 | Windscreen washer not working | 3.30% |
| 9 | Suspension joint or bush worn | 2.86% |
| 10 | Brake disc or drum worn | 2.64% |
| 11 | Horn not working | 2.31% |
| 12 | Tyre pressure monitoring system fault | 1.87% |
| 13 | Driveshaft fault | 1.65% |
| 14 | Ball joint dust cover split | 1.43% |
| 15 | Compression ignition emissions above threshold | 1.32% |
| 16 | Spark ignition emissions above threshold | 1.32% |
| 17 | Headlamp fault | 1.10% |
| 18 | Indicator fault | 1.10% |
| 19 | Brake performance below minimum | 0.66% |
| 20 | Coil spring broken or corroded | 0.44% |
| 21 | Mirror damaged or missing | 0.44% |
| 22 | Shock absorber worn or leaking | 0.44% |
| 23 | Position lamp not working | 0.33% |
| 24 | Track rod end worn | 0.33% |
| 25 | Tyre size or type not matched | 0.33% |
| 26 | Brake fluid level low or contaminated | 0.22% |
| 27 | Brake fluid reservoir fault | 0.22% |
| 28 | Bumper damaged or insecure | 0.22% |
| 29 | Number plate lamp not working | 0.22% |
| 30 | Parking brake performance below minimum | 0.22% |
| 31 | Rear reflector damaged or missing | 0.22% |
| 32 | ABS fault | 0.11% |
| 33 | Additional braking device fault | 0.11% |
| 34 | Anti-roll bar worn or corroded | 0.11% |
| 35 | Battery loose or leaking | 0.11% |
| 36 | Brake pedal fault | 0.11% |
| 37 | Driver airbag fault | 0.11% |
| 38 | Driver seat fault | 0.11% |
| 39 | Electronic braking system fault | 0.11% |
| 40 | Electronic stability control fault | 0.11% |
| 41 | Flexible brake hose damaged | 0.11% |
| 42 | Front passenger door fault | 0.11% |
| 43 | Steering arm worn | 0.11% |
| 44 | Steering rack fault | 0.11% |
| 45 | Stop lamp not working | 0.11% |
| 46 | Window damaged or won't operate | 0.11% |
| 47 | Suspension linkage fault | 0.11% |
Showing all 47 reasons — scroll inside the table for the full list.
Mercedes-benz Glb-class MOT Failures by Category
Total MOT failure occurrences for the Mercedes-benz Glb-class, grouped by category. Same data as the failures table above — just sliced by category instead of fault title. Hover a slice for the top failures in each category.
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Frequently Asked Questions
What are the most common Mercedes-benz Glb-class problems?
Based on analysis of 10K Mercedes-benz Glb-class MOT tests from DVSA data, we have 1 identified common problems across 1 generation. The most frequently flagged issue is "Tyre condition". Tyres & Wheels is the most common problem category.
Which Mercedes-benz Glb-class generation has the most problems?
The Mercedes-benz Glb-class X247 (2019-2025) (2019–2025) has the highest number of identified common problems (1). Click the generation card above for the full breakdown.
How is this data calculated?
We analyse anonymised DVSA MOT test records under the Open Government Licence. An issue is classified as a "Common Problem" when it occurs significantly more often on a specific model than the UK average, confirmed at 99% statistical confidence. Read the full methodology page for details.
Can I report a problem with my Mercedes-benz Glb-class?
Yes — use the "Tell Us About Your Problem" form on this page. Your report helps other Mercedes-benz Glb-class owners spot problems early. All submissions are reviewed before being added to the public database.
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