Mercedes Benz

Mercedes Benz Amg C 63 S Night Ed Prem + A (2021)

122 real MOT outcomes analysed • 91.8% first-time pass rate

2021 Mercedes Benz Amg C 63 S Night Ed Prem + A

CarHunch analysed 122 real MOT records for the 2021 Mercedes Benz Amg C 63 S Night Ed Prem + A. Real test outcomes — pass rates, defect profiles, mileage data — from verified DVLA records. Updated as new MOTs are recorded.
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This 2021 AMG C 63 S is notably reliable, with a 90.2% first-time pass rate that sits 10 points above the UK average—a strong showing for a high-performance Mercedes. The 17.2% rate of dangerous defects is worth noting for a buyer, though not alarming, and suggests keeping up with scheduled maintenance to stay ahead of potential brake or suspension issues.

At just over 21,500 miles median, these cars are running low for their age, which partly explains the healthy pass rate and minimal failure burden of 0.28 per vehicle. The 1.3 advisories per car point to minor wear items rather than systemic problems—a clean pre-purchase inspection focusing on the turbocharged engine bay and gearbox health will give you confidence in what's typically a solid used buy.

We have limited data for the 2021 Mercedes Benz Amg C 63 S Night Ed Prem + A — treat the figures below as indicative rather than definitive.

⚠️ 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
91.8%
UK average ~80%
Better than average
Dangerous (ever)
17.2%
At least once in MOT history
Check this vehicle
Avg failures / car
0.28
Over 2.4 tests on record
Low
Typical mileage
22k
Middle half: 13k–28k
For context

These stats describe 122 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.

Average reliability — agree?

See this vehicle's full MOT history & AI hunches

Spot recurring advisories, hidden issues, and how it compares to 122 Mercedes Benz Amg C 63 S Night Ed Prem + A cars.

UK

Before you buy a 2021 Mercedes Benz Amg C 63 S Night Ed Prem + A

Based on MOT data from 122 vehicles — here's what to check.

  • 📋 Check the full MOT history. 17.2% 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 ClickMechanic
  • 📄 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 carVertical Get 20% off via CarHunch

Pass Rate by Fuel Type

Fuel type Vehicles Pass rate Avg failures
Petrol (99%) 121 91.7% 0.28

Mileage Distribution

Most 2021 Mercedes Benz Amg C 63 S Night Ed Prem + 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.

21,527
typical
12,700
low mileage
28,078
high mileage

Half of all 2021 Mercedes Benz Amg C 63 S Night Ed Prem + A vehicles fall between 12,700 and 28,078 miles.

Is the mileage you're seeing normal?
Under 12,700 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.
12,700–28,078 miles — normal for age. This is where most 2021 Mercedes Benz Amg C 63 S Night Ed Prem + As sit.
Over 37,905 miles — higher than typical. Not necessarily a problem, but check service history and look out for advisory build-up on tyres and brakes.

MOT History Averages

2.4
Avg MOT tests per vehicle
0.28
Avg failures per vehicle
1.3
Avg advisories per vehicle
Other model years — Mercedes Benz Amg C 63 S Night Ed Prem + A: All Amg C 63 S Night Ed Prem + A years → Which year to buy? →
2023

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Average reliability — agree?