2014 Mercedes-Benz B-Class 1.5L Diesel · NA14 NXP
2014 Mercedes-Benz B-Class (1.5L, diesel). First registered 09 May 2014. Recorded mileage 113,760 miles. MOT valid until 29 Apr 2027.
- Make & Model
- MERCEDES-BENZ B-CLASS
- Year / Origin
- 2014 · Newcastle
- Safety Recall
- Unknown
- MOT Status
- Valid until 29 Apr 2027
- Road Tax
- —
- Recorded Mileage
- 113,760 mi
- ULEZ Compliance
- Non-Compliant (Pre-Euro 6 Diesel)
- Fuel & Engine
- Diesel · 1.5L
- 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.
NA14 NXP Key Findings
- 5 MOT tests recorded
- Latest MOT passed on 23/04/2026
- 113,760 miles recorded at latest MOT
- 2 historical MOT failures
- 3 defects noted at the latest MOT
- Recurring tyres items (11 mentions)
Derived directly from the recorded DVSA and DVLA data shown on this page.
NA14 NXP 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 2014 Mercedes-Benz B-Class (NA14 NXP) between April 2024 and April 2026.
The record contains 3 passes and 2 failures.
The most recent test on 23 April 2026 was a pass, although the earlier record includes 2 failures that buyers may want to investigate.
Across all tests, the most frequently flagged areas are: Tyres (11 issues), Brakes (7 issues), Lighting (1 issue), Suspension (1 issue). Repeated mentions in one area can indicate an ongoing pattern worth checking in person.
In total 17 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: “Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i))”; “Offside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii))”; “Nearside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii))”.
NA14 NXP Mileage History
- 29/04/202485,921 mi
- 01/05/202485,921 mi
- 28/04/202599,638 mi+13,717 mi
- 29/04/202599,638 mi
- 23/04/2026113,760 mi+14,122 mi
Average of roughly 14,044 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: 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
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 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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