Mercedes Benz Glb 200 Amg Line Auto (2020)
2020 Mercedes Benz Glb 200 Amg Line Auto
CarHunch analysed 325 real MOT records for the 2020 Mercedes Benz Glb 200 Amg Line Auto. This breakdown of actual test outcomes — pass rates, defect profiles, mileage data — isn't published anywhere else.
The 2020 Mercedes-Benz GLB 200 AMG Line is a serious concern at MOT time: only 43.5% pass first time, nearly half the UK average of 80%, and nearly one in four vehicles have picked up a dangerous defect at some point. This is an unusually poor result for a relatively young, low-mileage car—the median is just 32,280 miles—and suggests systemic quality or design issues rather than owner neglect.
The average vehicle has accumulated 0.15 failures and 1.3 advisories, pointing to recurring minor problems that compound into test failures. Before buying one of these, insist on a full pre-purchase inspection by an independent Mercedes specialist and review the complete MOT history; the first-time pass rate suggests you're more likely than not to face repair bills soon after purchase.
What to check before buying a 2020 Mercedes Benz Glb 200 Amg Line Auto
Practical pre-purchase checks for this age and model.
- 📋 Check the full MOT history. Look for recurring advisories — slow-building issues like corrosion or brake wear patterns show up years before they become failures. Enter the reg below for a full AI analysis.
- 🔍 Inspect for corrosion in person. Brake pipes, sills, subframes, and chassis legs. Surface rust is normal at this age; structural rust is a serious problem that's expensive to fix and can fail an MOT.
- 🛞 Check tyres and brakes. The most common advisory items at this age. Budget for replacement if they're near the limit — factor this into your offer price.
- 📄 Run an HPI check. The MOT history won't show outstanding finance, insurance write-offs, or stolen status — an HPI check will.
Before you buy a Mercedes Benz Glb 200 Amg Line Auto
MOT history is one piece of the puzzle. These checks can reveal what CarHunch can't.
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Pass Rate by Fuel Type
| Fuel type | Vehicles | Pass rate | Avg failures |
|---|---|---|---|
| Petrol (99%) | 322 | 43% | 0.16 |
| Other (1%) | 3 | 100% | 0 |
Mileage Distribution
Most 2020 Mercedes Benz Glb 200 Amg Line Auto vehicles sit in the blue band. If the car you're looking at is outside it, it's either unusually low or high mileage for its age.
Half of all 2020 Mercedes Benz Glb 200 Amg Line Auto vehicles fall between 23,915 and 41,366 miles.
2020 Mercedes Benz Glb 200 Amg Line Auto — Still on the Road
Strong survival — 143 vehicles still getting MOTs in 2025, 96% of the peak.
Based on vehicles from this manufacture year that had at least one MOT test in each calendar year. Data from 2023–2025.
MOT History Averages
Found a specific Mercedes Benz Glb 200 Amg Line Auto?
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