Mercedes Benz C 220 Amg Line D Auto (2018)
2018 Mercedes Benz C 220 Amg Line D Auto
CarHunch analysed 800 real MOT records for the 2018 Mercedes Benz C 220 Amg Line D Auto.
Real test outcomes — pass rates, defect profiles, mileage data — from verified DVLA records. Updated as new MOTs are recorded.
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This 2018 C 220 AMG Line is a serious reliability concern: only 50.2% pass their MOT first time, compared to the UK average of 80%, and that gap represents a real pattern of faults rather than one-off issues. The good news is that dangerous defects are absent from this dataset, so you're not looking at safety-critical failures, but the consistent failure rate suggests ongoing maintenance costs that owners should budget for.
At 58,116 miles median, these cars are running mid-range mileage for their age, yet they're still failing MOT at double the national rate—this isn't a mileage story, it's a build or design issue with the model itself. When this car does fail, it averages 0.11 failures per test, indicating multiple small problems rather than single catastrophic ones; if you're considering buying one, get a pre-purchase inspection by a Mercedes specialist and factor regular preventative servicing into your ownership cost.
The 2018 Mercedes Benz C 220 Amg Line D Auto passes its MOT first time more often than most UK vehicles (94% vs ~80% average) — and when it does fail, it's usually something minor and cheap to fix.
These stats describe 800 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.
See this vehicle's full MOT history & AI hunches
Spot recurring advisories, hidden issues, and how it compares to 800 Mercedes Benz C 220 Amg Line D Auto cars.
Before you buy a 2018 Mercedes Benz C 220 Amg Line D Auto
Based on MOT data from 800 vehicles — here's what to check.
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Check the full MOT history.
0% 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. -
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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
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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
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Pass Rate by Fuel Type
| Fuel type | Vehicles | Pass rate | Avg failures |
|---|---|---|---|
| Diesel (100%) | 799 | 94% | 0.11 |
Colour Breakdown
Based on 1,805 Mercedes Benz C 220 Amg Line D Auto vehicles registered in the UK — across all years. From DVLA registration records.
Mileage Distribution
Most 2018 Mercedes Benz C 220 Amg Line D 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.
Half of all 2018 Mercedes Benz C 220 Amg Line D Auto vehicles fall between 45,554 and 70,806 miles.
2018 Mercedes Benz C 220 Amg Line D Auto — Still on the Road
Numbers are thinning — 64% of 2018 Mercedes Benz C 220 Amg Line D Autos are still active.
203 vehicles still getting MOTs in 2025 — 64% of the peak remain.
Based on vehicles from this manufacture year that had at least one MOT test in each calendar year. Data from 2022–2025.
MOT History Averages
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