2017 SEAT Leon 1.2L Petrol · KM51 DOW
2017 SEAT Leon (1.2L, petrol). First registered 29 Jun 2017. Recorded mileage 81,575 miles. MOT expired on 01 Oct 2026.
- Make & Model
- SEAT LEON
- Year / Origin
- 2017 · Northampton
- Safety Recall
- Unknown
- MOT Status
- Expired on 01 Oct 2026
- Road Tax
- —
- Recorded Mileage
- 81,575 mi
- ULEZ Compliance
- ULEZ Compliant (Euro 4+)
- Fuel & Engine
- Petrol · 1.2L
- Reliability Guide
- Common Faults
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KM51 DOW Key Findings
- 4 MOT tests recorded
- Latest MOT passed on 26/09/2025
- 81,575 miles recorded at latest MOT
- No defects recorded at the latest MOT
Derived directly from the recorded DVSA and DVLA data shown on this page.
KM51 DOW MOT History
Interpretation generated from the recorded test data above — not an official DVSA statement and not a substitute for an independent inspection.
4 MOT tests are recorded for this 2017 Seat Leon (KM51 DOW) between September 2022 and September 2025.
The record contains 4 passes and 0 failures.
No failures or advisories appear anywhere in the recorded tests, so the documented MOT record is relatively clean.
KM51 DOW Mileage History
- 12/09/202245,939 mi
- 26/09/202358,968 mi+13,029 mi
- 02/10/202470,332 mi+11,364 mi
- 26/09/202581,575 mi+11,243 mi
Average of roughly 11,728 miles per year across 4 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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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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