At a Glance
The Mercedes-benz Glc-class has 7 identified common problems across 2 generations, with the X253 (2015-2022) being the most affected generation and tyres & wheels the most common problem category. Based on 303K 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 Glc-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 Glc-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 Glc-class owners — report a problem and we'll add it to the database
Tell Us About Your Problem
Help other Mercedes-benz Glc-class owners — report a problem and we'll add it to the database
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Browse Mercedes-benz Glc-class Generations
Select a generation to see its specific problems, MOT failures and advisories
Most Common Mercedes-benz Glc-class MOT Failures
Every reason Mercedes-benz Glc-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 | 23.49% |
| 2 | Tyre condition | 18.07% |
| 3 | Brake pads or linings worn | 10.80% |
| 4 | Windscreen washer not working | 7.25% |
| 5 | Wiper blades deteriorated | 6.99% |
| 6 | Windscreen damage affecting view | 4.80% |
| 7 | Suspension joint or bush worn | 4.48% |
| 8 | Coil spring broken or corroded | 3.24% |
| 9 | Spark ignition emissions above threshold | 3.18% |
| 10 | Driveshaft fault | 2.98% |
| 11 | Brake disc or drum worn | 2.22% |
| 12 | Seat belt condition | 1.34% |
| 13 | Ball joint dust cover split | 1.00% |
| 14 | Indicator fault | 0.92% |
| 15 | Airbag warning light on | 0.76% |
| 16 | Brake performance below minimum | 0.73% |
| 17 | Headlamp fault | 0.73% |
| 18 | Tyre pressure monitoring system fault | 0.67% |
| 19 | Compression ignition emissions above threshold | 0.59% |
| 20 | Number plate lamp not working | 0.53% |
| 21 | Position lamp not working | 0.46% |
| 22 | Tyre size or type not matched | 0.43% |
| 23 | Stop lamp not working | 0.42% |
| 24 | Shock absorber worn or leaking | 0.37% |
| 25 | Mirror damaged or missing | 0.29% |
| 26 | Bonnet catch or hinge fault | 0.24% |
| 27 | Flexible brake hose damaged | 0.21% |
| 28 | Propshaft fault | 0.21% |
| 29 | Brake caliper fault | 0.20% |
| 30 | Horn not working | 0.17% |
| 31 | Rear fog lamp not working | 0.16% |
| 32 | Bumper damaged or insecure | 0.14% |
| 33 | Driver seat fault | 0.13% |
| 34 | Suspension arm worn or corroded | 0.13% |
| 35 | Rear reflector damaged or missing | 0.13% |
| 36 | Track rod end worn | 0.12% |
| 37 | Parking brake performance below minimum | 0.10% |
| 38 | Electronic stability control fault | 0.08% |
| 39 | Electronic braking system fault | 0.07% |
| 40 | Wheel bearing worn | 0.06% |
| 41 | ABS fault | 0.06% |
| 42 | Exhaust system fault | 0.06% |
| 43 | Daytime running lamp not working | 0.05% |
| 44 | Electrical wiring fault | 0.05% |
| 45 | Driver airbag fault | 0.04% |
| 46 | Electronic parking brake fault | 0.04% |
| 47 | Passenger seat fault | 0.04% |
| 48 | Reversing lamp not working | 0.04% |
| 49 | Steering rack fault | 0.04% |
| 50 | Brake pedal fault | 0.04% |
| 51 | Brake fluid reservoir fault | 0.03% |
| 52 | Window damaged or won't operate | 0.03% |
| 53 | Suspension mounting corroded | 0.03% |
| 54 | Fuel cap damaged or missing | 0.03% |
| 55 | Steering lock fault | 0.03% |
| 56 | Front passenger door fault | 0.02% |
| 57 | Undertray damaged or missing | 0.02% |
| 58 | Brake fluid level low or contaminated | 0.02% |
| 59 | Electrical switch fault | 0.02% |
| 60 | Engine oil leak | 0.02% |
| 61 | Full power hydraulic brake fault | 0.02% |
| 62 | Indicator warning light fault | 0.02% |
| 63 | Exhaust leak | 0.02% |
| 64 | Headlamp levelling device fault | 0.02% |
| 65 | Rear fog lamp warning light fault | 0.02% |
| 66 | Boot lid damaged or insecure | 0.01% |
| 67 | Hazard warning light fault | 0.01% |
| 68 | Main beam warning light fault | 0.01% |
| 69 | Passenger airbag fault | 0.01% |
| 70 | Seat belt or padding damaged | 0.01% |
| 71 | Tyre valve stem damaged | 0.01% |
| 72 | Brake valve fault | 0.01% |
| 73 | Drag link end worn | 0.01% |
| 74 | Hydraulic brake cylinder fault | 0.01% |
| 75 | Steering arm worn | 0.01% |
| 76 | Steering wheel damaged or insecure | 0.01% |
| 77 | Suspension linkage fault | 0.01% |
| 78 | Brake servo fault | <0.01% |
| 79 | Driver door fault | <0.01% |
| 80 | Engine mounting worn or broken | <0.01% |
| 81 | Fuel hose damaged or leaking | <0.01% |
| 82 | Fuel pipe corroded or damaged | <0.01% |
| 83 | Fuel tank corroded or leaking | <0.01% |
| 84 | Handbrake lever fault | <0.01% |
| 85 | Hydraulic fluid leak | <0.01% |
| 86 | Mirror or camera fault | <0.01% |
| 87 | Rigid brake pipe corroded or damaged | <0.01% |
| 88 | Speedometer fault | <0.01% |
| 89 | Suspension unit fault | <0.01% |
| 90 | MacPherson strut worn | <0.01% |
| 91 | Access panel damaged or insecure | <0.01% |
| 92 | Battery loose or leaking | <0.01% |
| 93 | Body corrosion or damage | <0.01% |
| 94 | Brake air or vacuum system fault | <0.01% |
| 95 | Brake cable, rod, lever or linkage fault | <0.01% |
| 96 | Exhaust heat shield or sound insulation damaged | <0.01% |
| 97 | Seat belt anchorage fault | <0.01% |
| 98 | Subframe corrosion or damage | <0.01% |
| 99 | Suspension air bellows damaged | <0.01% |
| 100 | Transmission oil leak | <0.01% |
| 101 | Vehicle floor corroded | <0.01% |
| 102 | Headlamp aim defect | <0.01% |
Showing all 102 reasons — scroll inside the table for the full list.
Mercedes-benz Glc-class MOT Failures by Category
Total MOT failure occurrences for the Mercedes-benz Glc-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 Glc-class problems?
Based on analysis of 303K Mercedes-benz Glc-class MOT tests from DVSA data, we have 7 identified common problems across 2 generations. The most frequently flagged issue is "Tyre condition". Tyres & Wheels is the most common problem category.
Which Mercedes-benz Glc-class generation has the most problems?
The Mercedes-benz Glc-class X253 (2015-2022) (2015–2022) has the highest number of identified common problems (7). 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 Glc-class?
Yes — use the "Tell Us About Your Problem" form on this page. Your report helps other Mercedes-benz Glc-class owners spot problems early. All submissions are reviewed before being added to the public database.
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