2020 Mercedes-Benz C 300 Sport Edition DE Auto 1.9L Electric diesel · OV20 EUR
2020 Mercedes-Benz C 300 Sport Edition DE Auto (1.9L, electric diesel). First registered 20 Jul 2020. Recorded mileage 175,487 km. MOT valid until 18 Jul 2027. Taxed until 01 Apr 2027.
- Make & Model
- MERCEDES-BENZ C 300 SPORT EDITION DE AUTO
- Year / Origin
- 2020 · Oxford
- Safety Recall
- Unknown
- MOT Status
- Valid until 18 Jul 2027
- Road Tax
- Taxed (01 Apr 2027)
- Recorded Odometer
- 175,487 km
- ULEZ Compliance
- ULEZ Exempt (Zero Emissions)
- Fuel & Engine
- Electric Diesel · 1.9L
- Reliability Guide
- Common Faults
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OV20 EUR Key Findings
- 4 MOT tests recorded
- Latest MOT passed on 10/07/2026
- 175,487 km recorded at latest MOT
- 2 defects noted at the latest MOT
- Recurring tyres items (2 mentions)
Derived directly from the recorded DVSA and DVLA data shown on this page.
OV20 EUR 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 2020 Mercedes-Benz C 300 Sport Edition De Auto (OV20 EUR) between July 2023 and July 2026.
The record contains 4 passes and 0 failures.
The record shows no MOT failures, although 3 advisory notices note items to monitor.
Across all tests, the most frequently flagged areas are: Tyres (2 issues), Brakes (1 issue). Repeated mentions in one area can indicate an ongoing pattern worth checking in person.
In total 3 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.
OV20 EUR Odometer History
- 12/07/202362,892 mi
- 04/07/202490,881 mi+27,989 mi
- 01/07/2025105,816 mi+14,935 mi
- 10/07/2026175,487 km
Average of roughly 37,601 km per year across 4 recorded odometer readings.
Technical Specifications
Core Specifications
Identification & Status
Dimensions & Weights
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MOT Roadworthiness: Excellent
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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Buyer's Guide & Inspection Advisory
Expert automotive synthesis from historical MOT defect records and market benchmarks.
Our Verdict
Proceed with caution and a thorough insp
Given the very high annual mileage, this C 300 will have seen intensive use, likely on motorway or long-distance driving. Diesel C-Class models of this generation are generally well-regarded for comfort and efficiency, but the cumulative wear from high mileage means a pre-purchase inspection is essential. Check the full service history carefully — confirm regular oil and filter changes at appropriate intervals, as diesel engines with this kind of mileage can suffer from timing chain stretch, EGR valve carbon build-up, and injector wear. Negotiate on the basis of the high odometer reading and the recent advisories on tyres and brake pads, which will need addressing shortly after purchase. Ask for evidence of any timing chain or dual-mass flywheel replacement, as these are costly items on Mercedes diesel units at this mileage.
The 2.0-litre diesel C 300 should return around 50-55 mpg in mixed driving, though high-mileage examples may achieve less. Road tax for a Euro 6 diesel in this band is typically £170-£190 per year. Insurance for a C 300 Sport Edition is likely to sit in groups 30-34, so premiums for a 40-year-old driver could be £700-£900 annually. With 175,487 miles recorded, budget for higher maintenance costs — including a timing chain service if not already done, brake discs and pads, and potential suspension component replacement. Estimated annual running costs are around £2,400-£2,900 including fuel, tax, insurance, and maintenance.
Start with a thorough test drive paying attention to any diesel knock or rattle on cold start, which could indicate timing chain stretch — a known issue on Mercedes OM654 diesel engines. Inspect the front tyres closely, as the 2024 advisory noted edge wear and the 2026 test flagged a slightly damaged nearside front outer tyre; uneven wear can suggest suspension or alignment issues. Have the rear brake pads measured, as the most recent MOT noted they are wearing thin. Check the EGR valve and DPF for warning lights, and ask for a diagnostic scan to identify any stored fault codes. Inspect the underside for corrosion, oil leaks, and condition of the dual-mass flywheel by listening for rattling on overrun. Finally, verify that all previous advisories have been addressed, particularly the 2025 test which recorded no defects — ask to see receipts for any work carried out between tests.
This 2020 Mercedes-Benz C 300 Sport Edition diesel auto has recorded four consecutive MOT passes between 2023 and 2026, with no advisories in 2023 or 2025. However, the mileage progression — from 62,892 in 2023 to 175,487 in 2026 — indicates an average of around 37,500 miles per year, which is exceptionally high for any vehicle and well above typical private or fleet use. The 2024 and 2026 tests flagged front tyre wear issues, and the most recent test noted rear brake pads wearing thin, both consistent with heavy use. Without aggregate model data, the individual MOT history is the primary indicator of condition.
The Mercedes-Benz C-Class has a generally strong reliability reputation, though diesel variants with the OM654 engine have been reported to experience timing chain wear and EGR issues at high mileages. Individual MOT records are the most reliable indicator for this specific vehicle, as no aggregate data is available for this model variant.
Reviewed by the IsItAGoodCar editorial team — Verified automotive analysis synthesized from official vehicle registries.
Data Sources
DVSA
Official MOT test logs & failure reasons
DVLA
Tax, registration & powertrain specs
Experian
Finance, stolen markers & total loss
AI Analysis
Historical fault & advisory patterns
Plate Neighbors
Batch Registration Neighbors (OV20 Series)
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