2012 Mercedes-Benz C 1.8L Petrol · KN12 ARO
2012 Mercedes-Benz C (1.8L, petrol). First registered 28 Mar 2012. Recorded mileage 59,334 miles. MOT expired on 07 Nov 2026.
- Make & Model
- MERCEDES-BENZ C
- Year / Origin
- 2012 · Northampton
- Safety Recall
- Unknown
- MOT Status
- Expired on 07 Nov 2026
- Road Tax
- —
- Recorded Mileage
- 59,334 mi
- ULEZ Compliance
- ULEZ Compliant (Euro 4+)
- Fuel & Engine
- Petrol · 1.8L
- Reliability Guide
- Common Faults
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KN12 ARO Key Findings
- 5 MOT tests recorded
- Latest MOT passed on 08/11/2025
- 59,334 miles recorded at latest MOT
- No defects recorded at the latest MOT
Derived directly from the recorded DVSA and DVLA data shown on this page.
KN12 ARO MOT History
Interpretation generated from the recorded test data above — not an official DVSA statement and not a substitute for an independent inspection.
5 MOT tests are recorded for this 2012 Mercedes-Benz C (KN12 ARO) between November 2021 and November 2025.
The record contains 5 passes and 0 failures.
No failures or advisories appear anywhere in the recorded tests, so the documented MOT record is relatively clean.
KN12 ARO Mileage History
- 13/11/202154,043 mi
- 13/08/202255,541 mi+1,498 mi
- 22/07/202356,938 mi+1,397 mi
- 07/11/202458,586 mi+1,648 mi
- 08/11/202559,334 mi+748 mi
Average of roughly 1,327 miles per year across 5 recorded odometer readings.
Technical Specifications
Core Specifications
Identification & Status
Dimensions & Weights
Diagnostic & Valuation Intelligence
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Known faults for Mercedes-Benz Mercedes-Benz C-Class (W204)
Our database tracks 3 specific mechanical faults and recurring failure patterns identified across UK MOT testing stations for this generation.
MOT Roadworthiness: Average
This rating reflects historical MOT pass rates and recurring advisory wear patterns from official DVSA test logs. Note that roadworthiness does not verify outstanding finance, insurance write-offs, or stolen records.
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Digital Service History
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MERCEDES-BENZ C Model Intelligence & Reliability
Verified MOT failure trends, buying advice, and technical directory specifications.
Owner-reported defects, recurring MOT failure points, and estimated repair costs.
Browse production generations, registration statistics, and trim variants.
Historical MOT pass rates and DVLA records for 2012 model year cars.
- OM651 Diesel Chain Tensioner Oil LeakModerate
The gasket on the timing chain tensioner can fail, leaking oil and potentially leading to timing chain issues due to inconsistent tension.
- Rear Subframe CorrosionSerious
The rear subframe rots from the inside out, leading to MOT failure. Mercedes often replaces these under goodwill.
- Electronic Steering Lock (ESL) failureSerious
The electronic steering lock module can fail, preventing the car from starting. The key is recognised but the steering remains locked. A common and expensive fault on W204s built before the facelift.
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