2017 SEAT Leon 1.6L Diesel · CO55 AGO
2017 SEAT Leon (1.6L, diesel). First registered 01 Apr 2017. Recorded mileage 95,067 miles. MOT valid until 14 May 2027. Taxed until 01 May 2027.
- Make & Model
- SEAT LEON
- Year / Origin
- 2017 · Cardiff
- Safety Recall
- Unknown
- MOT Status
- Valid until 14 May 2027
- Road Tax
- Taxed (01 May 2027)
- Recorded Mileage
- 95,067 mi
- ULEZ Compliance
- ULEZ Compliant (Euro 6 Diesel)
- Fuel & Engine
- DIESEL · 1.6L
- Reliability Guide
- Common Faults
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CO55 AGO Key Findings
- 4 MOT tests recorded
- Latest MOT passed on 28/04/2026
- 95,067 miles recorded at latest MOT
- No defects recorded at the latest MOT
- Recurring tyres items (2 mentions)
Derived directly from the recorded DVSA and DVLA data shown on this page.
CO55 AGO 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 (CO55 AGO) between May 2023 and April 2026.
The record contains 4 passes and 0 failures.
The record shows no MOT failures, although 3 advisory notices note items to monitor.
Across all tests, the most frequently flagged areas are: Tyres (2 issues), Suspension (1 issue), Lighting (1 issue), Windscreen (1 issue). Repeated mentions in one area can indicate an ongoing pattern worth checking in person.
In total 3 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.
CO55 AGO Mileage History
- 16/05/202368,089 mi
- 27/04/202477,599 mi+9,510 mi
- 12/05/202587,866 mi+10,267 mi
- 28/04/202695,067 mi+7,201 mi
Average of roughly 9,141 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: Excellent
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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