Should I check the MOT history before buying a 2021 Mercedes Benz Eqc 400 Amg Line 4matic?

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 Eqc 400 Amg Line 4matic?

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 Eqc 400 Amg Line 4matic?

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 2021 Mercedes Benz Eqc 400 Amg Line 4matic reliable?

Based on MOT data from 1,479 vehicles, the 2021 Mercedes Benz Eqc 400 Amg Line 4matic has a first-time MOT pass rate of 91.9%, 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 2021 Mercedes Benz Eqc 400 Amg Line 4matic?

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 Eqc 400 Amg Line 4matic (2021)

1,479 real MOT outcomes analysed • 91.9% first-time pass rate

2021 Mercedes Benz Eqc 400 Amg Line 4matic

CarHunch analysed 1,479 real MOT records for the 2021 Mercedes Benz Eqc 400 Amg Line 4matic. 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

The 2021 Mercedes-Benz EQC 400 AMG Line 4MATIC passes its MOT first time at 88.6%, well above the UK average of 80%, which is a solid result for a premium electric SUV. The dangerous defect rate sits at 10.2%, which is reassuringly low and shouldn't concern most buyers.

At 34,600 miles median, these vehicles are running relatively lightly for their age, and the low failure rate of 0.25 per car reflects both that low mileage and the general durability of electric drivetrains with fewer moving parts. When you do take one for MOT, expect around 1.6 minor advisories on average—typically wear items like suspension bushes or brake fluid checks rather than structural issues. If you're considering buying one, get a pre-purchase inspection focused on battery condition and suspension geometry rather than engine health, since electric motors rarely fail.

The 2021 Mercedes Benz Eqc 400 Amg Line 4matic passes its MOT first time more often than most UK vehicles (91.9% vs ~80% average) — and when it does fail, it's usually something minor and cheap to fix.

⚠️ About 1 in 12 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

91.9%

UK average ~80%

Better than average

Dangerous (ever)

10.2%

At least once in MOT history

Check this vehicle

Avg failures / car

0.25

Over 2.3 tests on record

Low

Typical mileage

35k

Middle half: 26k–45k

For context

✅ Good baseline reliability. A 91.9% 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 1.6 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 1,479 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 1,479 Mercedes Benz Eqc 400 Amg Line 4matic cars.

Before you buy a 2021 Mercedes Benz Eqc 400 Amg Line 4matic

Based on MOT data from 1,479 vehicles — here's what to check.

📋 Check the full MOT history. 10.2% 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 5,507 Mercedes Benz Eqc 400 Amg Line 4matic vehicles registered in the UK — across all years. From DVLA registration records.

Black 33.6%

1,848

Grey 28%

1,540

Blue 18.8%

1,037

White 12.8%

707

Silver 5.2%

284

Red 1.7%

Mileage Distribution

Most 2021 Mercedes Benz Eqc 400 Amg Line 4matic 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.

34,600

typical

26,288

low mileage

44,643

high mileage

Half of all 2021 Mercedes Benz Eqc 400 Amg Line 4matic vehicles fall between 26,288 and 44,643 miles.

Is the mileage you're seeing normal?

✓ Under 26,288 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.

✓ 26,288–44,643 miles — normal for age. This is where most 2021 Mercedes Benz Eqc 400 Amg Line 4matics sit.

⚠ Over 60,268 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 Eqc 400 Amg Line 4matic — Still on the Road

Almost all 2021 Mercedes Benz Eqc 400 Amg Line 4matics are still on the road.

Strong survival — 1,347 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

2.3

Avg MOT tests per vehicle

0.25

Avg failures per vehicle

1.6

Avg advisories per vehicle

Other model years — Mercedes Benz Eqc 400 Amg Line 4matic: All Eqc 400 Amg Line 4matic years → Which year to buy? →

2020 2022 2023

Or browse all models: Mercedes Benz →

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