2012 Mercedes-Benz B-Class 1.8L Diesel · T19 MAL
2012 Mercedes-Benz B-Class (1.8L, diesel). First registered 21 Sept 2012. Recorded mileage 121,301 miles. MOT expired on 27 Sept 2026.
- Make & Model
- MERCEDES-BENZ B-CLASS
- Year / Origin
- 2012
- Safety Recall
- Unknown
- MOT Status
- Expired on 27 Sept 2026
- Road Tax
- —
- Recorded Mileage
- 121,301 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.
T19 MAL Key Findings
- 5 MOT tests recorded
- Latest MOT passed on 29/09/2025
- 121,301 miles recorded at latest MOT
- 1 historical MOT failure
- No defects recorded at the latest MOT
- Recurring tyres items (4 mentions)
Derived directly from the recorded DVSA and DVLA data shown on this page.
T19 MAL 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 (T19 MAL) between December 2022 and September 2025.
The record contains 4 passes and 1 failure.
The most recent test on 29 September 2025 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: Tyres (4 issues), Brakes (2 issues), Suspension (2 issues), Steering (1 issue), Lighting (1 issue). Repeated mentions in one area can indicate an ongoing pattern worth checking in person.
In total 6 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.
Recorded failure items include: “Nearside Rear Tyre has a tear, caused by separation or partial failure of its structure (5.2.3 (d) (ii))”; “Offside Rear Tyre has a tear, caused by separation or partial failure of its structure (5.2.3 (d) (ii))”; “Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i))”.
T19 MAL Mileage History
- 13/12/202283,124 mi
- 27/11/2023101,303 mi+18,179 mi
- 02/12/2024180,626 mi+79,323 mi
- 03/12/2024180,626 km
- 29/09/2025121,301 mi
Average of roughly 13,660 miles per year across 5 recorded odometer readings.
Recorded mileage decreased between one or more tests — a potential clocking indicator worth verifying before purchase.
Technical Specifications
Core Specifications
Identification & Status
Dimensions & Weights
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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: Poor
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.
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Historical MOT pass rates and DVLA records for 2012 model year cars.
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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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