Should I check the MOT history before buying a 2021 Mercedes Benz Gla 220 Amg Line D 4matic Auto?

Yes. Look for recurring advisories — slow-building issues like corrosion or brake wear patterns show up years before they become failures. A full MOT history analysis will highlight patterns that a single test result won't reveal.

What corrosion should I look for when inspecting a 2021 Mercedes Benz Gla 220 Amg Line D 4matic Auto?

Check brake pipes, sills, subframes, and chassis legs. Surface rust is normal at this age; structural rust is a serious problem that is expensive to fix and can fail an MOT.

How are tyres and brakes typically on a 2021 Mercedes Benz Gla 220 Amg Line D 4matic Auto?

Tyres and brakes are the most common advisory items on vehicles of this age. Budget for replacement if they are near the limit, and factor this into your offer price.

Do I need an HPI check when buying a 2021 Mercedes Benz Gla 220 Amg Line D 4matic Auto?

Yes. The MOT history will not show outstanding finance, insurance write-offs, or stolen status. An HPI check covers these areas and should be part of any used car purchase.

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Mercedes Benz Gla 220 Amg Line D 4matic Auto (2021)

Q: Is the 2021 Mercedes Benz Gla 220 Amg Line D 4matic Auto reliable?

Based on MOT data from 257 vehicles, the 2021 Mercedes Benz Gla 220 Amg Line D 4matic Auto has a first-time MOT pass rate of 94.8%, indicating generally reliable for its class. Always check the full MOT history of any specific vehicle before buying.

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

2021 Mercedes Benz Gla 220 Amg Line D 4matic Auto

CarHunch analysed 257 real MOT records for the 2021 Mercedes Benz Gla 220 Amg Line D 4matic Auto. Real test outcomes — pass rates, defect profiles, mileage data — from verified DVLA records. Updated as new MOTs are recorded.
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AI Analysis Reliability Overview Check a Specific Reg Buyer's Checklist Mileage Distribution Still on the Road MOT Averages Colour Breakdown Compare Models

This 2021 GLA 220 AMG Line D 4MATIC passes its MOT on the first attempt 94.4% of the time, well above the UK average of 80%, which signals genuinely reliable engineering for the age. The dangerous defect rate sits at just 4.7%, which is reassuringly low and not a buyer concern.

At 28,531 miles median, these cars show typical mileage for their age and aren't running hard—the average failure rate of 0.18 per vehicle reflects that steady condition. With 1.2 advisories per car on average, you're looking at minor wear items rather than structural problems, so a pre-purchase inspection focused on service history and fluid checks will give you a clear picture before you commit.

We have limited data for the 2021 Mercedes Benz Gla 220 Amg Line D 4matic Auto — treat the figures below as indicative rather than definitive.

First-time pass

94.8%

UK average ~80%

Better than average

Dangerous (ever)

4.7%

At least once in MOT history

Check this vehicle

Avg failures / car

0.18

Over 2.4 tests on record

Low

Typical mileage

29k

Middle half: 22k–35k

For context

These stats describe 257 vehicles as a group. The specific vehicle you're looking at could be the one good example or the one outlier. Run its registration to find out.

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See this vehicle's full MOT history & AI hunches

Spot recurring advisories, hidden issues, and how it compares to 257 Mercedes Benz Gla 220 Amg Line D 4matic Auto cars.

Before you buy a 2021 Mercedes Benz Gla 220 Amg Line D 4matic Auto

Based on MOT data from 257 vehicles — here's what to check.

📋 Check the full MOT history. 4.7% of these vehicles have had a dangerous defect recorded - recurring advisories often signal problems years before they become failures.
Search the reg on CarHunch for the full MOT history, reliability stats and a free AI-powered analysis of that exact vehicle.
🔍 Brake pipes, sills and subframes are the key areas on a vehicle this age — structural rust is hard to spot without getting underneath. A mechanic will check all of this before you commit, and give you a concrete basis to negotiate on price. Inspection →
📄 Outstanding finance, insurance write-offs and clocking won't appear in the MOT records — a dedicated history check covers all of this. Our link gets you 20% off automatically. History Get 20% off via CarHunch

Colour Breakdown

Based on 402 Mercedes Benz Gla 220 Amg Line D 4matic Auto vehicles registered in the UK — across all years. From DVLA registration records.

Grey 39.6%

159

Black 29.1%

117

White 17.4%

Blue 7%

Silver 5.2%

Red 1.7%

Mileage Distribution

Most 2021 Mercedes Benz Gla 220 Amg Line D 4matic Auto vehicles sit in the blue band. If the vehicle you're looking at is outside it, it's either unusually low or high mileage for its age.

28,531

typical

21,922

low mileage

35,422

high mileage

Half of all 2021 Mercedes Benz Gla 220 Amg Line D 4matic Auto vehicles fall between 21,922 and 35,422 miles.

Is the mileage you're seeing normal?

✓ Under 21,922 miles — lower than most. Could be great, or could be a vehicle that rarely moved. Check test frequency and mileage progression in the MOT history.

✓ 21,922–35,422 miles — normal for age. This is where most 2021 Mercedes Benz Gla 220 Amg Line D 4matic Autos sit.

⚠ Over 47,819 miles — higher than typical. Not necessarily a problem, but check service history and look out for advisory build-up on tyres and brakes.

2021 Mercedes Benz Gla 220 Amg Line D 4matic Auto — Still on the Road

Almost all 2021 Mercedes Benz Gla 220 Amg Line D 4matic Autos are still on the road.

Strong survival — 252 vehicles still getting MOTs in 2025, 100% 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

2.4

Avg MOT tests per vehicle

0.18

Avg failures per vehicle

1.2

Avg advisories per vehicle

Compare with another model

See how the 2021 Mercedes Benz Gla 220 Amg Line D 4matic Auto stacks up against a rival.

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