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 Petrol 1395cc has had 9 MOT tests on record, passing 8 and failing once (89% pass rate). It has 53,564 miles on the clock, averaging 6,408 miles per year, below the UK average of 7,400. The 1.4 TSI engine is known for cxsa and wastegate actuator rod.
MOT & Mileage History for KN17 CBY
Data from DVSA. Last updated August 2026. Check gov.uk for the latest.
MOT failure recorded
Average miles/year
Gaps in MOT history
Mileage Analysis
Below average| Latest reading | 53,564 miles |
| Reading date | |
| Miles last year | 7,163 |
| Average per year | 6,408 |
| Mileage consistency | Consistent |
Check KN17 CBY
- 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 9 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.
CXSA
Wastegate actuator rod (electric actuator on turbocharger)
Explore more about the Seat Leon
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Vehicle Details
| Registration | KN17 CBY |
| Make | Seat |
| Model | Leon |
| Colour | Red |
| Fuel type | Petrol |
| Engine | 1395cc |
| Year | 2017 |
| First registered | |
| Area code | KN — Luton, Luton and Northampton |
| Age identifier | 17 — March 2017 to August 2017 |
More KN17 C plates
Browse all KN17 C registrations from Luton.
About KN17 CBY
What car is KN17 CBY?
KN17 CBY is a red Seat Leon, petrol (1395cc). First registered in Luton in 2017.
What is the mileage of KN17 CBY?
The last recorded mileage for KN17 CBY was 53,564 miles, recorded on 24 Jun 2026 during its most recent MOT test.
Has KN17 CBY passed its MOT?
KN17 CBY has had 9 MOT tests with an 89% pass rate (8 passes, 1 failure). It last passed on 24 Jun 2026.
Is KN17 CBY ULEZ compliant?
Based on its fuel type and registration year, KN17 CBY is likely ULEZ compliant. Petrol post-2005 (Euro 4). This is an estimate based on typical emission standards — confirm with TfL's ULEZ checker for a definitive answer.
How old is KN17 CBY?
KN17 CBY is approximately 9 years old. Age identifier 17 means registered between 1 March 2017 and 31 August 2017.