2015 Mercedes-Benz B-Class 2.1L Diesel · KM15 RRX
2015 Mercedes-Benz B-Class (2.1L, diesel). First registered 05 May 2015. Recorded mileage 72,068 miles. MOT expired on 27 Aug 2026.
- Make & Model
- MERCEDES-BENZ B-CLASS
- Year / Origin
- 2015 · Northampton
- Safety Recall
- Unknown
- MOT Status
- Expired on 27 Aug 2026
- Road Tax
- —
- Recorded Mileage
- 72,068 mi
- ULEZ Compliance
- ULEZ Compliant (Euro 6 Diesel)
- Fuel & Engine
- Diesel · 2.1L
- 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.
KM15 RRX Key Findings
- 5 MOT tests recorded
- Latest MOT passed on 28/08/2025
- 72,068 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.
KM15 RRX 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 2015 Mercedes-Benz B-Class (KM15 RRX) between May 2022 and August 2025.
The record contains 4 passes and 1 failure.
The most recent test on 28 August 2025 was a pass, although the earlier record includes 1 failure that buyers may want to investigate.
KM15 RRX Mileage History
- 06/05/202262,232 mi
- 09/05/202262,232 mi
- 17/05/202370,792 mi+8,560 mi
- 14/08/202471,362 mi+570 mi
- 28/08/202572,068 mi+706 mi
Average of roughly 2,969 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: 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 2015 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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