2017 SEAT Leon 1.2L Petrol · DT66 HHD
2017 SEAT Leon (1.2L, petrol). First registered 13 Feb 2017. Recorded mileage 53,848 miles. MOT valid until 03 Jan 2027.
- Make & Model
- SEAT LEON
- Year / Origin
- 2017 · Shrewsbury
- Safety Recall
- Unknown
- MOT Status
- Valid until 03 Jan 2027
- Road Tax
- —
- Recorded Mileage
- 53,848 mi
- ULEZ Compliance
- ULEZ Compliant (Euro 4+)
- Fuel & Engine
- Petrol · 1.2L
- 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.
DT66 HHD Key Findings
- 5 MOT tests recorded
- Latest MOT passed on 15/12/2025
- 53,848 miles recorded at latest MOT
- 2 historical MOT failures
- No defects recorded at the latest MOT
Derived directly from the recorded DVSA and DVLA data shown on this page.
DT66 HHD 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 (DT66 HHD) between January 2024 and December 2025.
The record contains 3 passes and 2 failures.
The most recent test on 15 December 2025 was a pass, although the earlier record includes 2 failures that buyers may want to investigate.
DT66 HHD Mileage History
- 04/01/202446,302 mi
- 30/12/202449,631 mi+3,329 mi
- 30/12/202449,631 mi
- 15/12/202553,846 mi+4,215 mi
- 15/12/202553,848 mi+2 mi
Average of roughly 3,876 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.
Verify lender finance agreements, insurance write-offs, police stolen registers, and mileage rollback.
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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