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 8 MOT tests on record, passing 6 and failing 2 (75% pass rate). It has 86,866 miles on the clock, averaging 4,175 miles per year, well 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 KM17 ACO
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
Low mileage| Latest reading | 86,866 miles |
| Reading date | |
| Miles last year | 3,476 |
| Average per year | 4,175 |
| Mileage consistency | Variable |
Check KM17 ACO
- Write-off & insurance claims Experian
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- Plate & colour change history
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- Independent garage visits
- Service interval analysis
- Warranty work logged
Full MOT Test History 8 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 | KM17 ACO |
| Make | Seat |
| Model | Leon |
| Colour | Black |
| Fuel type | Diesel |
| Engine | 1598cc |
| Year | 2017 |
| First registered | |
| Area code | KM — Luton, Luton and Northampton |
| Age identifier | 17 — March 2017 to August 2017 |
More KM17 A plates
Browse all KM17 A registrations from Luton.
About KM17 ACO
What car is KM17 ACO?
KM17 ACO is a black Seat Leon, diesel (1598cc). First registered in Luton in 2017.
What is the mileage of KM17 ACO?
The last recorded mileage for KM17 ACO was 86,866 miles, recorded on 10 Dec 2025 during its most recent MOT test.
Has KM17 ACO passed its MOT?
KM17 ACO has had 8 MOT tests with a 75% pass rate (6 passes, 2 failures). It last passed on 10 Dec 2025.
Is KM17 ACO ULEZ compliant?
Based on its fuel type and registration year, KM17 ACO 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 KM17 ACO?
KM17 ACO is approximately 9 years old. Age identifier 17 means registered between 1 March 2017 and 31 August 2017.