2017 Mercedes-Benz GLA 2.1L Diesel · AT51 GWT
2017 Mercedes-Benz GLA (2.1L, diesel). First registered 22 Jun 2017. Recorded mileage 86,457 miles. MOT expired on 18 Oct 2026.
- Make & Model
- MERCEDES-BENZ GLA
- Year / Origin
- 2017 · Norwich
- Safety Recall
- Unknown
- MOT Status
- Expired on 18 Oct 2026
- Road Tax
- —
- Recorded Mileage
- 86,457 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.
AT51 GWT Key Findings
- 5 MOT tests recorded
- Latest MOT passed on 19/09/2025
- 86,457 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.
AT51 GWT 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 2017 Mercedes-Benz Gla (AT51 GWT) between January 2023 and September 2025.
The record contains 4 passes and 1 failure.
The most recent test on 19 September 2025 was a pass, although the earlier record includes 1 failure that buyers may want to investigate.
AT51 GWT Mileage History
- 13/01/202346,248 mi
- 19/10/202354,976 mi+8,728 mi
- 24/09/202470,599 mi+15,623 mi
- 19/09/202586,456 mi+15,857 mi
- 19/09/202586,457 mi+1 mi
Average of roughly 14,984 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 GLA (X156)
Our database tracks 6 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 GLA 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 2017 model year cars.
- 7G-DCT Gearbox HesitationModerate
The 7G-DCT dual-clutch transmission in the X156 can develop clunky engagement, hesitation when pulling away, and shuddering during low-speed crawling. Software calibration issues and dirty transmission fluid exacerbate wear on the clutch friction plates and mechatronic hydraulic unit.
- Timing Chain Stretch (M270/M274 Engines)Serious
On 1.6-litre and 2.0-litre petrol models powered by the M270 turbocharged unit, premature timing chain stretch can develop. Stretched chains throw out valve timing synchronisation, leading to harsh cold-start rattles, loss of power, and potential valve-to-piston contact if ignored.
- 4MATIC Rear Differential and Haldex Coupling Bearing WearModerate
All-wheel-drive 4MATIC models utilize an electro-hydraulically controlled multi-disc clutch integrated into the rear differential. Operating on sealed oil that is rarely changed by owners, internal pinion bearings and clutches suffer from accelerated wear, causing droning whines and binding.
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