2017 Mercedes-Benz GLA 2.1L Diesel · KP17 KNJ
2017 Mercedes-Benz GLA (2.1L, diesel). First registered 16 Mar 2017. Recorded mileage 123,057 miles. MOT valid until 26 Jul 2027. No outstanding manufacturer safety recalls recorded.
- Make & Model
- MERCEDES-BENZ GLA
- Year / Origin
- 2017 · Northampton
- Safety Recall
- None Outstanding
- MOT Status
- Valid until 26 Jul 2027
- Road Tax
- —
- Recorded Mileage
- 123,057 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.
KP17 KNJ Key Findings
- 5 MOT tests recorded
- Latest MOT passed on 28/07/2026
- 123,057 miles recorded at latest MOT
- 1 historical MOT failure
- No defects recorded at the latest MOT
- Recurring brakes items (4 mentions)
Derived directly from the recorded DVSA and DVLA data shown on this page.
KP17 KNJ 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 (KP17 KNJ) between March 2024 and July 2026.
The record contains 4 passes and 1 failure.
The most recent test on 28 July 2026 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: Brakes (4 issues), Tyres (4 issues), Suspension (4 issues), Lighting (2 issues). Repeated mentions in one area can indicate an ongoing pattern worth checking in person.
In total 10 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 Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i))”; “Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i))”; “Nearside Rear Coil spring fractured or broken (5.3.1 (b) (i))”.
KP17 KNJ Mileage History
- 05/03/202488,050 mi
- 03/03/2025103,388 mi+15,338 mi
- 12/03/2026117,706 mi+14,318 mi
- 20/03/2026117,717 mi+11 mi
- 28/07/2026123,057 mi+5,340 mi
Average of roughly 14,611 miles per year across 5 recorded odometer readings.
Technical Specifications
Core Specifications
Identification & Status
Dimensions & Weights
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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: Good
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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