Mercedes Benz Gla 200 Amg Line Premium D A (2021)

410 real MOT outcomes analysed • 94.8% first-time pass rate

2021 Mercedes Benz Gla 200 Amg Line Premium D A

CarHunch analysed 410 real MOT records for the 2021 Mercedes Benz Gla 200 Amg Line Premium D A. This breakdown of actual test outcomes — pass rates, defect profiles, mileage data — isn't published anywhere else.

This 2021 GLA 200 is a genuinely reliable performer, with a 94.8% first-time pass rate that sits well ahead of the UK average of 80%—a clear strength for the model. The dangerous defect rate of 4.6% is comfortably low, so you're not inheriting a pattern of serious safety issues.

These cars are running around 29,500 miles on the clock, which is typical for their age, and they're racking up very few actual failures (0.15 per vehicle). Before you buy, get a pre-purchase inspection focused on the 1.3 advisories that crop up on average—mostly minor wear items—and confirm full service history, as this model's reliability hinges on proper maintenance.

Generally reliable 14.8% above UK average
94.8%
pass MOT first time
UK average: ~80%
29,522
typical mileage
21,714–37,513 middle half
4.6%
ever had a dangerous defect
recorded at any MOT
0.15
avg MOT failures per car
over 2.3 tests on record

What to check before buying a 2021 Mercedes Benz Gla 200 Amg Line Premium D A

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 Premium D A

MOT history is one piece of the puzzle. These checks can reveal what CarHunch can't.

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Mileage Distribution

Most 2021 Mercedes Benz Gla 200 Amg Line Premium D A 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.

21,714
low mileage
29,522
typical
37,513
high mileage

Half of all 2021 Mercedes Benz Gla 200 Amg Line Premium D A vehicles fall between 21,714 and 37,513 miles.

MOT History Averages

2.3
Avg MOT tests per vehicle
0.15
Avg failures per vehicle
1.3
Avg advisories per vehicle

Found a specific Mercedes Benz Gla 200 Amg Line Premium D A?

Enter the reg to see its individual MOT history, AI Hunches, and how it compares to this cohort.

UK

Other model years — Mercedes Benz Gla 200 Amg Line Premium D A:

2020 2023