Should I check the MOT history before buying a 2020 Mercedes Benz A 250 Amg Line E 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 2020 Mercedes Benz A 250 Amg Line E 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 2020 Mercedes Benz A 250 Amg Line E 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.

Is the 2020 Mercedes Benz A 250 Amg Line E Auto reliable?

Based on MOT data from 2,514 vehicles, the 2020 Mercedes Benz A 250 Amg Line E Auto has a first-time MOT pass rate of 91.2%, indicating generally reliable for its class. Always check the full MOT history of any specific vehicle before buying.

Do I need an HPI check when buying a 2020 Mercedes Benz A 250 Amg Line E 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 A 250 Amg Line E Auto (2020)

2,514 real MOT outcomes analysed • 91.2% first-time pass rate

2020 Mercedes Benz A 250 Amg Line E Auto

CarHunch analysed 2,514 real MOT records for the 2020 Mercedes Benz A 250 Amg Line E 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 A 250 AMG Line holds up well in the MOT, with an 88.4% first-time pass rate that sits comfortably 8.4 percentage points above the UK average—a solid mark of reliability. The dangerous defect rate of 13.2% is reassuring, well below the concern threshold, suggesting this model doesn't carry hidden structural or safety risks.

At just over 36,000 miles median for a 2020, these cars are running relatively light for their age, which tracks with the low failure rate of 0.35 per vehicle. The average of 2.0 advisories per test is typical wear-and-tear stuff; when shopping, grab the full service history and factor in that running costs on this AMG-badged petrol are likely to be steeper than the standard A-Class, then take a pre-purchase inspection focused on the gearbox and cooling system—common weak points on turbocharged Mercs.

The 2020 Mercedes Benz A 250 Amg Line E Auto passes its MOT first time more often than most UK vehicles (91.2% vs ~80% average) — and when it does fail, it's usually something minor and cheap to fix.

⚠️ Around 1 in 8 of these vehicles have had a dangerous MOT failure at some point — usually tyres or brakes, and often a one-off issue rather than a persistent problem. The group stats won't tell you which one you're looking at.

First-time pass

91.2%

UK average ~80%

Better than average

Dangerous (ever)

13.2%

At least once in MOT history

Check this vehicle

Avg failures / car

0.35

Over 3.2 tests on record

Low

Typical mileage

37k

Middle half: 27k–50k

For context

✅ Good baseline reliability. A 91.2% first-time pass rate puts this well above the UK average — it's a well-sorted vehicle in this age bracket.

🔧 Expect consumable spend. An average of 2 advisories per vehicle tells you wear items (tyres, brakes) get flagged regularly. Budget for them — they're not surprises.

🔍 The dangerous defect figure is real. Most are one-off tyre failures or brake issues — not structural problems. But it's exactly why checking the individual vehicle's history is essential, not optional.

These stats describe 2,514 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 2,514 Mercedes Benz A 250 Amg Line E Auto cars.

Before you buy a 2020 Mercedes Benz A 250 Amg Line E Auto

Based on MOT data from 2,514 vehicles — here's what to check.

📋 Check the full MOT history. 13.2% 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 4,600 Mercedes Benz A 250 Amg Line E Auto vehicles registered in the UK — across all years. From DVLA registration records.

Black 29.6%

1,362

White 27%

1,241

Grey 25.6%

1,177

Silver 10.6%

488

Blue 4.2%

192

Red 3%

140

Mileage Distribution

Most 2020 Mercedes Benz A 250 Amg Line E 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.

36,575

typical

27,005

low mileage

49,622

high mileage

Half of all 2020 Mercedes Benz A 250 Amg Line E Auto vehicles fall between 27,005 and 49,622 miles.

Is the mileage you're seeing normal?

✓ Under 27,005 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.

✓ 27,005–49,622 miles — normal for age. This is where most 2020 Mercedes Benz A 250 Amg Line E Autos sit.

⚠ Over 66,989 miles — higher than typical. Not necessarily a problem, but check service history and look out for advisory build-up on tyres and brakes.

2020 Mercedes Benz A 250 Amg Line E Auto — Still on the Road

Almost all 2020 Mercedes Benz A 250 Amg Line E Autos are still on the road.

Strong survival — 2,228 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

3.2

Avg MOT tests per vehicle

0.35

Avg failures per vehicle

Avg advisories per vehicle

Other model years — Mercedes Benz A 250 Amg Line E Auto: All A 250 Amg Line E Auto years → Which year to buy? →

2021

Or browse all models: Mercedes Benz →

Compare with another model

See how the 2020 Mercedes Benz A 250 Amg Line E Auto stacks up against a rival.

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