2012 Mercedes-Benz B-Class 1.8L Diesel · L1 HVY
2012 Mercedes-Benz B-Class (1.8L, diesel). First registered 31 Jul 2012. Recorded mileage 50,816 miles. MOT expired on 30 Jul 2026.
- Make & Model
- MERCEDES-BENZ B-CLASS
- Year / Origin
- 2012 · Stanmore (Wimbledon)
- Safety Recall
- Unknown
- MOT Status
- Expired on 30 Jul 2026
- Road Tax
- —
- Recorded Mileage
- 50,816 mi
- ULEZ Compliance
- Non-Compliant (Pre-Euro 6 Diesel)
- Fuel & Engine
- Diesel · 1.8L
- Reliability Guide
- Common Faults
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L1 HVY Key Findings
- 4 MOT tests recorded
- Latest MOT passed on 24/07/2025
- 50,816 miles recorded at latest MOT
- No defects recorded at the latest MOT
Derived directly from the recorded DVSA and DVLA data shown on this page.
L1 HVY 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 2012 Mercedes-Benz B-Class (L1 HVY) between July 2022 and July 2025.
The record contains 4 passes and 0 failures.
No failures or advisories appear anywhere in the recorded tests, so the documented MOT record is relatively clean.
L1 HVY Mileage History
- 25/07/202246,004 mi
- 31/07/202348,417 mi+2,413 mi
- 29/07/202449,533 mi+1,116 mi
- 24/07/202550,816 mi+1,283 mi
Average of roughly 1,605 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: 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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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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