2004 Mercedes-Benz C 2.1L Diesel · BN04 BWY
2004 Mercedes-Benz C (2.1L, diesel). First registered 16 Mar 2004. Recorded mileage 172,597 miles. MOT expired on 20 Jan 2024.
- Make & Model
- MERCEDES-BENZ C
- Year / Origin
- 2004 · Birmingham
- Safety Recall
- Unknown
- MOT Status
- Expired on 20 Jan 2024
- Road Tax
- —
- Recorded Mileage
- 172,597 mi
- ULEZ Compliance
- Non-Compliant (Pre-Euro 6 Diesel)
- Fuel & Engine
- Diesel · 2.1L
- Reliability Guide
- Common Faults
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BN04 BWY Key Findings
- 4 MOT tests recorded
- Latest MOT failed on 20/03/2025
- 172,597 miles recorded at latest MOT
- 2 historical MOT failures
Derived directly from the recorded DVSA and DVLA data shown on this page.
BN04 BWY MOT History
Interpretation generated from the recorded test data above — not an official DVSA statement and not a substitute for an independent inspection.
4 MOT tests are recorded for this 2004 Mercedes-Benz C (BN04 BWY) between March 2022 and March 2025.
The record contains 2 passes and 2 failures.
The most recent test on 20 March 2025 was a fail; the vehicle has not passed its last recorded MOT.
BN04 BWY Mileage History
- 04/03/2022157,171 mi
- 10/03/2022157,172 mi+1 mi
- 21/01/2023160,222 mi+3,050 mi
- 20/03/2025172,597 mi+12,375 mi
Average of roughly 5,067 miles per year across 4 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 (W203)
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.
Verify lender finance agreements, insurance write-offs, police stolen registers, and mileage rollback.
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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 2004 model year cars.
- Valeo radiator gearbox contaminationSerious
Radiator can leak coolant into the transmission fluid, destroying the gearbox.
- M271 timing chain stretchSerious
The 1.8 Kompressor petrol engine uses a timing chain that stretches over time, causing rattling on cold start. In severe cases the chain can jump, destroying the engine.
- Rust on arches, sills and bootlidSerious
W203s are notorious for corrosion around the wheel arches, sills and bootlid edges. Structural corrosion on sills and subframe mounting areas is an MOT failure.
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