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 1598cc has had 7 MOT tests on record, passing every one. It has 78,937 miles on the clock, averaging 5,226 miles per year, below the UK average of 7,400. The 1.6 TDI engine is known for clha and diesel particulate filter (dpf).
MOT & Mileage History for DF17 MZJ
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
Below average| Latest reading | 78,937 miles |
| Reading date | |
| Miles last year | 6,698 |
| Average per year | 5,226 |
| Mileage consistency | Variable |
Check DF17 MZJ
- 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 7 tests on record
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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.
CLHA
Diesel Particulate Filter (DPF)
Clogs from poor fuel quality, short journeys, or failed regens, leading to backpressure.
Explore more about the Seat Leon
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Vehicle Details
| Registration | DF17 MZJ |
| Make | Seat |
| Model | Leon |
| Colour | Blue |
| Fuel type | Diesel |
| Engine | 1598cc |
| Year | 2017 |
| First registered | |
| Area code | DF — Chester, Deeside to Shrewsbury |
| Age identifier | 17 — March 2017 to August 2017 |
More DF17 M plates
Browse all DF17 M registrations from Chester.
About DF17 MZJ
What car is DF17 MZJ?
DF17 MZJ is a blue Seat Leon, diesel (1598cc). First registered in Chester in 2017.
What is the mileage of DF17 MZJ?
The last recorded mileage for DF17 MZJ was 78,937 miles, recorded on 9 Jan 2026 during its most recent MOT test.
Has DF17 MZJ passed its MOT?
DF17 MZJ has had 7 MOT tests with an 100% pass rate (7 passes, 0 failures). It last passed on 9 Jan 2026.
Is DF17 MZJ ULEZ compliant?
Based on its fuel type and registration year, DF17 MZJ 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 DF17 MZJ?
DF17 MZJ is approximately 9 years old. Age identifier 17 means registered between 1 March 2017 and 31 August 2017.