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 2018 Seat Leon Petrol 1798cc has had 4 MOT tests on record, passing 3 and failing once (75% pass rate). It has 69,909 miles on the clock, averaging 9,302 miles per year, above the UK average of 7,400. The 1.8 TSI engine is known for cjsa and piston rings.
MOT & Mileage History for CN18 MZT
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
Above average| Latest reading | 69,909 miles |
| Reading date | |
| Miles last year | 10,180 |
| Average per year | 9,302 |
| Mileage consistency | Consistent |
Check CN18 MZT
- 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 4 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.
CJSA
Piston rings (faulty design leading to excessive oil consumption)
Premature wear on thin piston rings causes high oil burn-off, often 1 quart per 1,000-2,000 miles.[1][6]
Explore more about the Seat Leon
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Vehicle Details
| Registration | CN18 MZT |
| Make | Seat |
| Model | Leon |
| Colour | Silver |
| Fuel type | Petrol |
| Engine | 1798cc |
| Year | 2018 |
| First registered | |
| Area code | CN — Cardiff, Cymru (Wales) |
| Age identifier | 18 — March 2018 to August 2018 |
More CN18 M plates
Browse all CN18 M registrations from Cardiff.
About CN18 MZT
What car is CN18 MZT?
CN18 MZT is a silver Seat Leon, petrol (1798cc). First registered in Cardiff in 2018.
What is the mileage of CN18 MZT?
The last recorded mileage for CN18 MZT was 69,909 miles, recorded on 2 Jul 2026 during its most recent MOT test.
Has CN18 MZT passed its MOT?
CN18 MZT has had 4 MOT tests with a 75% pass rate (3 passes, 1 failure). It last passed on 2 Jul 2026.
Is CN18 MZT ULEZ compliant?
Based on its fuel type and registration year, CN18 MZT 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 CN18 MZT?
CN18 MZT is approximately 8 years old. Age identifier 18 means registered between 1 March 2018 and 31 August 2018.