Vehicle summary
ULEZ status is estimated based on fuel type and registration year. It may not reflect the actual emission standard of this vehicle. Check with TfL for a definitive answer.
At a glance
This 2017 Seat Leon Diesel 1968cc has had 8 MOT tests on record, passing every one. It has 125,751 miles on the clock, averaging 12,818 miles per year, above the UK average of 7,400. The 2.0 TDI engine is known for crlb and egr valve.
MOT & Mileage History for DE17 YFY
Data from DVSA. Last updated August 2026. Check gov.uk for the latest.
MOT failures recorded
Average miles/year
Gaps in MOT history
Mileage Analysis
Above average| Latest reading | 125,751 miles |
| Reading date | |
| Miles last year | 10,035 |
| Average per year | 12,818 |
| Mileage consistency | Consistent |
Check DE17 YFY
- Write-off & insurance claims Experian
- Outstanding finance check Experian
- Stolen vehicle check Experian
- Ownership changes Experian
- Mileage discrepancy alerts
- Plate & colour change history
- Franchised dealer records
- Independent garage visits
- Service interval analysis
- Warranty work logged
Full MOT Test History 8 tests on record
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Reported issues for this Seat Leon
These are the most commonly reported problems on Seat Leon models (2012–2020), based on owner reports and workshop data across the UK.
CRLB
EGR Valve
Clogs quickly with soot/carbon deposits.
Explore more about the Seat Leon
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Vehicle Details
| Registration | DE17 YFY |
| Make | Seat |
| Model | Leon |
| Colour | Black |
| Fuel type | Diesel |
| Engine | 1968cc |
| Year | 2017 |
| First registered | |
| Area code | DE — Chester, Deeside to Shrewsbury |
| Age identifier | 17 — March 2017 to August 2017 |
More DE17 Y plates
Browse all DE17 Y registrations from Chester.
About DE17 YFY
What car is DE17 YFY?
DE17 YFY is a black Seat Leon, diesel (1968cc). First registered in Chester in 2017.
What is the mileage of DE17 YFY?
The last recorded mileage for DE17 YFY was 125,751 miles, recorded on 8 Jun 2026 during its most recent MOT test.
Has DE17 YFY passed its MOT?
DE17 YFY has had 8 MOT tests with an 100% pass rate (8 passes, 0 failures). It last passed on 8 Jun 2026.
Is DE17 YFY ULEZ compliant?
Based on its fuel type and registration year, DE17 YFY is likely ULEZ compliant. Diesel post-2015 (Euro 6). This is an estimate based on typical emission standards — confirm with TfL's ULEZ checker for a definitive answer.
How old is DE17 YFY?
DE17 YFY is approximately 9 years old. Age identifier 17 means registered between 1 March 2017 and 31 August 2017.