Should I check the MOT history before buying a 2020 Mercedes Benz C 300 Amg Line Ed Premium De A?

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 C 300 Amg Line Ed Premium De A?

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 C 300 Amg Line Ed Premium De A?

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.

How many 2020 Mercedes Benz C 300 Amg Line Ed Premium De A vehicles have had dangerous defects recorded?

32% of these vehicles have had a dangerous defect recorded. Search the registration on CarHunch — the full MOT history will show exactly what was flagged and whether it was resolved.

Do I need an HPI check when buying a 2020 Mercedes Benz C 300 Amg Line Ed Premium De A?

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 C 300 Amg Line Ed Premium De A (2020)

Q: Is the 2020 Mercedes Benz C 300 Amg Line Ed Premium De A reliable?

Based on MOT data from 203 vehicles, the 2020 Mercedes Benz C 300 Amg Line Ed Premium De A has a first-time MOT pass rate of 86.1%, indicating generally reliable for its class. Always check the full MOT history of any specific vehicle before buying.

203 real MOT outcomes analysed • 86.1% first-time pass rate

2020 Mercedes Benz C 300 Amg Line Ed Premium De A

CarHunch analysed 203 real MOT records for the 2020 Mercedes Benz C 300 Amg Line Ed Premium De A. Real test outcomes — pass rates, defect profiles, mileage data — from verified DVLA records. Updated as new MOTs are recorded.
Which year to buy? →

On this page

Reliability Overview Check a Specific Reg Buyer's Checklist Pass Rate by Fuel Mileage Distribution Still on the Road MOT Averages Colour Breakdown Compare Models

Limited data for this trim variant. The DVLA records this vehicle under a specific trim-level name with only 203 vehicles on record — some statistics may not be reliable at this sample size.

See the full 2020 MERCEDES-BENZ C (7,387 vehicles)

We have limited data for the 2020 Mercedes Benz C 300 Amg Line Ed Premium De A — treat the figures below as indicative rather than definitive.

⚠️ Over 1 in 5 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

86.1%

UK average ~80%

Around average

Dangerous (ever)

31.5%

At least once in MOT history

Check this vehicle

Avg failures / car

0.56

Over 3.3 tests on record

Moderate

Typical mileage

48k

Middle half: 33k–65k

For context

These stats describe 203 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.

Watch for defects — worth knowing

See this vehicle's full MOT history & AI hunches

Spot recurring advisories, hidden issues, and how it compares to 203 Mercedes Benz C 300 Amg Line Ed Premium De A cars.

Before you buy a 2020 Mercedes Benz C 300 Amg Line Ed Premium De A

Based on MOT data from 203 vehicles — here's what to check.

📋 Check the full MOT history. 31.5% 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

Pass Rate by Fuel Type

Fuel type	Vehicles	Pass rate	Avg failures
Electric Diesel (99%)	201	86.2%	0.56

Colour Breakdown

Based on 275 Mercedes Benz C 300 Amg Line Ed Premium De A vehicles registered in the UK — across all years. From DVLA registration records.

Grey 28.7%

Blue 21.1%

Black 20%

Silver 12%

White 12%

Red 6.2%

Mileage Distribution

Most 2020 Mercedes Benz C 300 Amg Line Ed Premium De A 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.

47,629

typical

33,488

low mileage

65,012

high mileage

Half of all 2020 Mercedes Benz C 300 Amg Line Ed Premium De A vehicles fall between 33,488 and 65,012 miles.

Is the mileage you're seeing normal?

✓ Under 33,488 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.

✓ 33,488–65,012 miles — normal for age. This is where most 2020 Mercedes Benz C 300 Amg Line Ed Premium De As sit.

⚠ Over 87,766 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 C 300 Amg Line Ed Premium De A — Still on the Road

Most 2020 Mercedes Benz C 300 Amg Line Ed Premium De As are still being driven.

Strong survival — 156 vehicles still getting MOTs in 2025, 87% 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

3.3

Avg MOT tests per vehicle

0.56

Avg failures per vehicle

2.3

Avg advisories per vehicle

Compare with another model

See how the 2020 Mercedes Benz C 300 Amg Line Ed Premium De A stacks up against a rival.

Watch for defects — worth knowing