2017 SEAT Leon 1.6L Diesel · KN17 PHF
2017 SEAT Leon (1.6L, diesel). First registered 30 Mar 2017. Recorded mileage 107,741 miles. MOT valid until 16 Oct 2027.
- Make & Model
- SEAT LEON
- Year / Origin
- 2017 · Northampton
- Safety Recall
- Unknown
- MOT Status
- Valid until 16 Oct 2027
- Road Tax
- —
- Recorded Mileage
- 107,741 mi
- ULEZ Compliance
- ULEZ Compliant (Euro 6 Diesel)
- Fuel & Engine
- Diesel · 1.6L
- 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.
KN17 PHF Key Findings
- 5 MOT tests recorded
- Latest MOT passed on 15/10/2026
- 107,741 miles recorded at latest MOT
- 2 historical MOT failures
- No defects recorded at the latest MOT
- Recurring brakes items (6 mentions)
Derived directly from the recorded DVSA and DVLA data shown on this page.
KN17 PHF 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 Seat Leon (KN17 PHF) between October 2024 and October 2026.
The record contains 3 passes and 2 failures.
The most recent test on 15 October 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: Brakes (6 issues), Lighting (5 issues), Tyres (2 issues), Windscreen (1 issue), Suspension (1 issue). Repeated mentions in one area can indicate an ongoing pattern worth checking in person.
In total 9 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 Rear Brake disc significantly and obviously worn (1.1.14 (a) (i))”; “Nearside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i))”; “Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i))”.
KN17 PHF Mileage History
- 11/10/202481,154 mi
- 11/10/202481,154 mi
- 16/10/202594,797 mi+13,643 mi
- 15/10/2026107,741 mi+12,944 mi
- 15/10/2026107,741 mi
Average of roughly 13,226 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 SEAT SEAT Leon Mk3 (5F)
Our database tracks 4 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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SEAT LEON Model Intelligence & Reliability
Verified MOT failure trends, buying advice, and technical directory specifications.
Owner-reported defects, recurring MOT failure points, and estimated repair costs.
Browse production generations, registration statistics, and trim variants.
Historical MOT pass rates and DVLA records for 2017 model year cars.
- LED Headlight FailureModerate
Individual LEDs or the control board fail. The units are sealed and must be replaced entirely.
- Water Pump / Thermostat LeakModerate
Plastic housing cracks or the seal fails, leading to coolant loss.
- Silica Bag Failure (Coolant System)Serious
A silica bag in the coolant expansion tank can split, clogging the heater matrix and radiator.
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