Mercedes Benz Gla 200 Amg Line Auto (2020)
2020 Mercedes Benz Gla 200 Amg Line Auto
CarHunch analysed 499 real MOT records for the 2020 Mercedes Benz Gla 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 GLA 200 AMG Line is performing slightly above the UK average with an 83.8% first-time pass rate, and dangerous defects are uncommon at 7.8%, so it's a reasonably safe used buy in this age group. The 28,100 median mileage is typical for a four-year-old model, suggesting these cars haven't been driven hard.
Most owners will encounter minor advisory items—averaging 1.9 per MOT—rather than genuine failures, which average just 0.25 per vehicle, indicating the platform is fundamentally sound. When shopping for one, get a pre-purchase inspection focused on the electrics and cooling systems, as these tend to show up in advisories more than structural issues.
What to check before buying a 2020 Mercedes Benz Gla 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 Gla 200 Amg Line Auto
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Pass Rate by Fuel Type
| Fuel type | Vehicles | Pass rate | Avg failures |
|---|---|---|---|
| Petrol (98%) | 490 | 83.7% | 0.26 |
| Other (2%) | 8 | 100% | 0 |
| Diesel (0%) | 1 | 0% | 0 |
Mileage Distribution
Most 2020 Mercedes Benz Gla 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 Gla 200 Amg Line Auto vehicles fall between 21,617 and 35,534 miles.
2020 Mercedes Benz Gla 200 Amg Line Auto — Still on the Road
Strong survival — 415 vehicles still getting MOTs in 2025, 98% 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
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