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 1968cc has had 9 MOT tests on record, passing 7 and failing 2 (78% pass rate). It has 114,890 miles on the clock, averaging 13,198 miles per year, above the UK average of 7,400. The 2.0 TDI engine is known for crlb and egr valve.
MOT & Mileage History for MM66 HCN
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 | 114,890 miles |
| Reading date | |
| Average per year | 13,198 |
| Mileage consistency | Variable |
Check MM66 HCN
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- 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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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.
CRLB
EGR Valve
Clogs quickly with soot/carbon deposits.
Explore more about the Seat Leon
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Vehicle Details
| Registration | MM66 HCN |
| Make | Seat |
| Model | Leon |
| Colour | Grey |
| Fuel type | Diesel |
| Engine | 1968cc |
| Year | 2016 |
| First registered | |
| Area code | MM — Manchester, Manchester and Merseyside |
| Age identifier | 66 — September 2016 to February 2017 |
More MM66 H plates
Browse all MM66 H registrations from Manchester.
About MM66 HCN
What car is MM66 HCN?
MM66 HCN is an grey Seat Leon, diesel (1968cc). First registered in Manchester in 2016.
What is the mileage of MM66 HCN?
The last recorded mileage for MM66 HCN was 114,890 miles, recorded on 5 Sep 2025 during its most recent MOT test.
Has MM66 HCN passed its MOT?
MM66 HCN has had 9 MOT tests with a 78% pass rate (7 passes, 2 failures). It last passed on 5 Sep 2025.
Is MM66 HCN ULEZ compliant?
Based on its fuel type and registration year, MM66 HCN 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 MM66 HCN?
MM66 HCN is approximately 10 years old. Age identifier 66 means registered between 1 September 2016 and 28 February 2017.