2012 Mercedes-Benz B-Class 1.8L Diesel · NIB 51
2012 Mercedes-Benz B-Class (1.8L, diesel). First registered 30 Nov 2012. Recorded mileage 197,502 miles. MOT valid until 13 Jun 2027. Taxed until 01 Jul 2027.
- Make & Model
- MERCEDES-BENZ B-CLASS
- Year / Origin
- 2012 · Newcastle
- Safety Recall
- Unknown
- MOT Status
- Valid until 13 Jun 2027
- Road Tax
- Taxed (01 Jul 2027)
- Recorded Mileage
- 197,502 mi
- ULEZ Compliance
- Non-Compliant (Pre-Euro 6 Diesel)
- Fuel & Engine
- Diesel · 1.8L
- 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.
NIB 51 Key Findings
- 5 MOT tests recorded
- Latest MOT passed on 04/06/2026
- 197,502 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.
NIB 51 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 2012 Mercedes-Benz B-Class (NIB 51) between June 2023 and June 2026.
The record contains 4 passes and 1 failure.
The most recent test on 04 June 2026 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.
NIB 51 Mileage History
- 15/06/2023108,850 mi
- 28/05/2024144,327 mi+35,477 mi
- 20/05/2025166,542 mi+22,215 mi
- 20/05/2025166,542 mi
- 04/06/2026197,502 mi+30,960 mi
Average of roughly 29,843 miles per year across 5 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: 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 B-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 2012 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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