2017 Mercedes-Benz A-Class 1.5L Diesel · KF66 MFK
2017 Mercedes-Benz A-Class (1.5L, diesel). First registered 31 Jan 2017. Recorded mileage 46,504 miles. MOT valid until 30 Jan 2027. Taxed until 01 Feb 2027.
- Make & Model
- MERCEDES-BENZ A-CLASS
- Year / Origin
- 2017 · Borehamwood (Luton)
- Safety Recall
- Unknown
- MOT Status
- Valid until 30 Jan 2027
- Road Tax
- Taxed (01 Feb 2027)
- Recorded Mileage
- 46,504 mi
- ULEZ Compliance
- ULEZ Compliant (Euro 6 Diesel)
- Fuel & Engine
- Diesel · 1.5L
- Reliability Guide
- Common Faults
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.
KF66 MFK Key Findings
- 9 MOT tests recorded
- Latest MOT passed on 15/01/2026
- 46,504 miles recorded at latest MOT
- 2 historical MOT failures
- No defects recorded at the latest MOT
- Recurring tyres items (2 mentions)
Derived directly from the recorded DVSA and DVLA data shown on this page.
KF66 MFK MOT History
Interpretation generated from the recorded test data above — not an official DVSA statement and not a substitute for an independent inspection.
9 MOT tests are recorded for this 2017 Mercedes-Benz A-Class (KF66 MFK) between January 2020 and January 2026.
The record contains 7 passes and 2 failures.
The most recent test on 15 January 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: Tyres (2 issues), Brakes (1 issue). Repeated mentions in one area can indicate an ongoing pattern worth checking in person.
In total 1 advisory notice is 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.
KF66 MFK Mileage History
- 07/01/202016,545 mi
- 06/01/202121,938 mi+5,393 mi
- 13/01/202227,216 mi+5,278 mi
- 14/01/202332,108 mi+4,892 mi
- 14/01/202332,108 mi
- 09/01/202436,545 mi+4,437 mi
- 09/01/202436,545 mi
- 14/01/202541,097 mi+4,552 mi
- 15/01/202646,504 mi+5,407 mi
Average of roughly 4,974 miles per year across 9 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 A-Class (W176)
Our database tracks 6 specific mechanical faults and recurring failure patterns identified across UK MOT testing stations for this generation.
MOT Roadworthiness: Good
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 A-CLASS 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 2017 model year cars.
- OM651 Diesel Chain Tensioner Oil LeakModerate
On 1.8-litre and 2.1-litre OM651 diesel engines, the timing chain tensioner seal is a well-documented weak point. Over time the rubber O-ring gasket degrades, leading to persistent engine oil weeping down the right flank of the engine block. Left unaddressed, loss of oil pressure at the tensioner can cause timing chain rattle on startup and premature stretch.
- DCT gearbox judder and clutch wearModerate
The 7G-DCT dual-clutch transmission (Getrag/Mercedes 724.0) suffers from low-speed lurching, clutch shudder, and software calibration drift, particularly on cars driven primarily in stop-start urban traffic. Neglecting the mandatory 4-year/40,000-mile transmission fluid and dual-filter service accelerates clutch pack wear and mechatronic solenoid sticking.
- M270 Petrol Timing Chain StretchSerious
The 1.6-litre and 2.0-litre M270 turbocharged four-cylinder petrol engines can experience timing chain elongation and tensioner fatigue, especially when subject to extended variable service intervals. An elongated chain causes camshaft timing deviation, triggering check engine warnings and in severe cases skipping teeth.
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