2018 Mercedes-Benz A-Class 1.5L Diesel · BT18 MWY
2018 Mercedes-Benz A-Class (1.5L, diesel). First registered 29 Jun 2018. Recorded mileage 76,109 miles. MOT valid until 27 Jan 2027.
- Make & Model
- MERCEDES-BENZ A-CLASS
- Year / Origin
- 2018 · Birmingham
- Safety Recall
- Unknown
- MOT Status
- Valid until 27 Jan 2027
- Road Tax
- —
- Recorded Mileage
- 76,109 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.
BT18 MWY Key Findings
- 5 MOT tests recorded
- Latest MOT passed on 28/01/2026
- 76,109 miles recorded at latest MOT
- 2 historical MOT failures
- No defects recorded at the latest MOT
Derived directly from the recorded DVSA and DVLA data shown on this page.
BT18 MWY 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 2018 Mercedes-Benz A-Class (BT18 MWY) between January 2024 and January 2026.
The record contains 3 passes and 2 failures.
The most recent test on 28 January 2026 was a pass, although the earlier record includes 2 failures that buyers may want to investigate.
BT18 MWY Mileage History
- 02/01/202455,148 mi
- 08/01/202571,034 mi+15,886 mi
- 08/01/202571,034 mi
- 27/01/202676,105 mi+5,071 mi
- 28/01/202676,109 mi+4 mi
Average of roughly 10,113 miles per year across 5 recorded odometer readings.
Technical Specifications
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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: 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 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 2018 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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