2012 Mercedes-Benz C 2.1L Diesel · N4 HSY
2012 Mercedes-Benz C (2.1L, diesel). First registered 24 Sept 2012. Recorded mileage 143,143 miles. MOT valid until 25 Jul 2027. A manufacturer safety recall is currently outstanding.
- Make & Model
- MERCEDES-BENZ C
- Year / Origin
- 2012 · Newcastle
- Safety Recall
- Recall Notice
- MOT Status
- Valid until 25 Jul 2027
- Road Tax
- —
- Recorded Mileage
- 143,143 mi
- ULEZ Compliance
- Non-Compliant (Pre-Euro 6 Diesel)
- Fuel & Engine
- Diesel · 2.1L
- Reliability Guide
- Common Faults
Outstanding Safety Recall Notice
Action RequiredOfficial DVSA telemetry indicates this vehicle has an unaddressed manufacturer safety recall. Remedial repairs are legally required to be carried out 100% free of charge by an authorised main dealer.
Thinking of buying this vehicle? Free MOT and tax checks do not cover legal ownership. If outstanding finance exists, finance companies have legal right to repossess without compensation.
N4 HSY Key Findings
- 5 MOT tests recorded
- Outstanding manufacturer safety recall notice
- Latest MOT passed on 27/07/2026
- 143,143 miles recorded at latest MOT
- 2 historical MOT failures
- 11 defects noted at the latest MOT
Derived directly from the recorded DVSA and DVLA data shown on this page.
N4 HSY 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 (N4 HSY) between June 2024 and July 2026.
The record contains 3 passes and 2 failures.
The most recent test on 27 July 2026 was a pass, although the earlier record includes 2 failures that buyers may want to investigate.
Across all tests, the most frequently flagged areas are: Brakes (13 issues), Suspension (6 issues), Lighting (3 issues), Tyres (2 issues). Repeated mentions in one area can indicate an ongoing pattern worth checking in person.
In total 23 advisory notices are recorded. Advisories flag items that passed but may need attention before the next test; they are not evidence of how well the vehicle has been serviced.
Recorded failure items include: “Offside Front Brake pipe excessively corroded (1.1.11 (c))”; “Offside Front Tyre has a tear, caused by separation or partial failure of its structure (5.2.3 (d) (ii))”; “Offside Front Tyre has ply or cords exposed (5.2.3 (d) (ii))”.
N4 HSY Mileage History
- 17/06/2024126,173 mi
- 17/06/2024126,173 mi
- 27/06/2025139,934 mi+13,761 mi
- 20/07/2026143,119 mi+3,185 mi
- 27/07/2026143,143 mi+24 mi
Average of roughly 8,049 miles per year across 5 recorded odometer readings.
Technical Specifications
Core Specifications
Identification & Status
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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: Below 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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