2014 Mercedes-Benz B-Class 1.5L Diesel · MU14 MOM
2014 Mercedes-Benz B-Class (1.5L, diesel). First registered 29 May 2014. Recorded mileage 113,286 miles. MOT expired on 15 Sept 2025. A manufacturer safety recall is currently outstanding.
- Make & Model
- MERCEDES-BENZ B-CLASS
- Year / Origin
- 2014 · Manchester & Merseyside
- Safety Recall
- Recall Notice
- MOT Status
- Expired on 15 Sept 2025
- Road Tax
- —
- Recorded Mileage
- 113,286 mi
- ULEZ Compliance
- Non-Compliant (Pre-Euro 6 Diesel)
- Fuel & Engine
- Diesel · 1.5L
- 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.
MU14 MOM Key Findings
- 4 MOT tests recorded
- Outstanding manufacturer safety recall notice
- Latest MOT passed on 11/09/2024
- 113,286 miles recorded at latest MOT
- 1 historical MOT failure
- No defects recorded at the latest MOT
Derived directly from the recorded DVSA and DVLA data shown on this page.
MU14 MOM 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 2014 Mercedes-Benz B-Class (MU14 MOM) between August 2022 and September 2024.
The record contains 3 passes and 1 failure.
The most recent test on 11 September 2024 was a pass, although the earlier record includes 1 failure that buyers may want to investigate.
Across all tests, the most frequently flagged areas are: Lighting (1 issue). Repeated mentions in one area can indicate an ongoing pattern worth checking in person.
Recorded failure items include: “Registration plate lamp inoperative in the case of a single lamp or all lamps both not working (4.7.1 (b) (ii))”.
MU14 MOM Mileage History
- 30/08/202278,424 mi
- 17/09/202399,023 mi+20,599 mi
- 09/09/2024113,278 mi+14,255 mi
- 11/09/2024113,286 mi+8 mi
Average of roughly 17,147 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 B-Class (W246)
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 B-CLASS Model Intelligence & Reliability
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Historical MOT pass rates and DVLA records for 2014 model year cars.
- 7G-DCT Gearbox JudderModerate
The dual-clutch automatic can become hesitant or jerky if clutch wear is present or fluid changes have been skipped.
- OM651 Diesel Timing Chain Tensioner Oil LeakModerate
The gasket on the timing chain tensioner is a frequent leak point. Oil loss can reduce tensioner pressure and lead to chain rattle and eventual stretch.
- Water ingress in boot from rear air vent sealsModerate
The rear air vent seals behind the bumper can fail, allowing water into the boot. This can damage the rear SAM electrical module, causing lighting and locking faults.
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