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 2015 Seat Leon Diesel 1968cc has had 14 MOT tests on record, passing 9 and failing 5 (64% pass rate). It has 122,324 miles on the clock, averaging 9,719 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 DE15 ULN
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 | 122,324 miles |
| Reading date | |
| Miles last year | 2,694 |
| Average per year | 9,719 |
| Mileage consistency | Variable |
Check DE15 ULN
- 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 14 tests on record
Similar cars to consider
Buyers comparing the Seat Leon often also look at these models. Check their MOT history and reliability before deciding:
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
Thinking about buying this car? These resources will help you make an informed decision.
Vehicle Details
| Registration | DE15 ULN |
| Make | Seat |
| Model | Leon |
| Colour | Grey |
| Fuel type | Diesel |
| Engine | 1968cc |
| Year | 2015 |
| First registered | |
| Area code | DE — Chester, Deeside to Shrewsbury |
| Age identifier | 15 — March 2015 to August 2015 |
More DE15 U plates
Browse all DE15 U registrations from Chester.
About DE15 ULN
What car is DE15 ULN?
DE15 ULN is a grey Seat Leon, diesel (1968cc). First registered in Chester in 2015.
What is the mileage of DE15 ULN?
The last recorded mileage for DE15 ULN was 122,324 miles, recorded on 22 Dec 2025 during its most recent MOT test.
Has DE15 ULN passed its MOT?
DE15 ULN has had 14 MOT tests with a 64% pass rate (9 passes, 5 failures). It last passed on 22 Dec 2025.
Is DE15 ULN ULEZ compliant?
Based on its fuel type and registration year, DE15 ULN is likely not ULEZ compliant. As a diesel vehicle registered in 2015, it typically does not meet the Euro 6 emission standard required. This is an estimate — confirm with TfL's ULEZ checker.
How old is DE15 ULN?
DE15 ULN is approximately 11 years old. Age identifier 15 means registered between 1 March 2015 and 31 August 2015.