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 2016 Seat Leon Diesel 1598cc has had 11 MOT tests on record, passing 7 and failing 4 (64% pass rate). It has 147,619 miles on the clock, averaging 15,013 miles per year, above the UK average of 7,400. The 1.6 TDI engine is known for clha and diesel particulate filter (dpf).
MOT & Mileage History for CD04 OSS
Data from DVSA. Last updated August 2026. Check gov.uk for the latest.
MOT failures recorded
Average miles/year
Gap in MOT history
Mileage Analysis
Above average| Latest reading | 147,619 miles |
| Reading date | |
| Miles last year | 192 |
| Average per year | 15,013 |
| Mileage consistency | Consistent |
Check CD04 OSS
- 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 11 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.
CLHA
Diesel Particulate Filter (DPF)
Clogs from poor fuel quality, short journeys, or failed regens, leading to backpressure.
Explore more about the Seat Leon
Thinking about buying this car? These resources will help you make an informed decision.
Vehicle Details
| Registration | CD04 OSS |
| Make | Seat |
| Model | Leon |
| Colour | Black |
| Fuel type | Diesel |
| Engine | 1598cc |
| Year | 2016 |
| First registered | |
| Area code | CD — Cardiff, Cymru (Wales) |
| Age identifier | 04 — March 2004 to August 2004 |
More CD04 O plates
Browse all CD04 O registrations from Cardiff.
About CD04 OSS
What car is CD04 OSS?
CD04 OSS is a black Seat Leon, diesel (1598cc). First registered in Cardiff in 2016.
What is the mileage of CD04 OSS?
The last recorded mileage for CD04 OSS was 147,619 miles, recorded on 22 Jan 2026 during its most recent MOT test.
Has CD04 OSS passed its MOT?
CD04 OSS has had 11 MOT tests with a 64% pass rate (7 passes, 4 failures). It last passed on 22 Jan 2026.
Is CD04 OSS ULEZ compliant?
Based on its fuel type and registration year, CD04 OSS 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 CD04 OSS?
CD04 OSS is approximately 10 years old. Age identifier 04 means registered between 1 March 2004 and 31 August 2004.