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 Mercedes-Benz Cla Petrol 1991cc has had 9 MOT tests on record, passing 8 and failing once (89% pass rate). It has 63,726 miles on the clock, averaging 5,700 miles per year, below the UK average of 7,400.
MOT & Mileage History for HN66 KNX
Data from DVSA. Last updated August 2026. Check gov.uk for the latest.
MOT failure recorded
Average miles/year
Gap in MOT history
Mileage Analysis
Below average| Latest reading | 63,726 miles |
| Reading date | |
| Miles last year | 1 |
| Average per year | 5,700 |
| Mileage consistency | Variable |
Check HN66 KNX
- 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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Vehicle Details
| Registration | HN66 KNX |
| Make | Mercedes-Benz |
| Model | Cla |
| Colour | Grey |
| Fuel type | Petrol |
| Engine | 1991cc |
| Year | 2016 |
| First registered | |
| Area code | HN — Portsmouth, Hampshire and Dorset |
| Age identifier | 66 — September 2016 to February 2017 |
More HN66 K plates
Browse all HN66 K registrations from Portsmouth.
About HN66 KNX
What car is HN66 KNX?
HN66 KNX is an grey Mercedes-Benz Cla, petrol (1991cc). First registered in Portsmouth in 2016.
What is the mileage of HN66 KNX?
The last recorded mileage for HN66 KNX was 63,726 miles, recorded on 2 Sep 2025 during its most recent MOT test.
Has HN66 KNX passed its MOT?
HN66 KNX has had 9 MOT tests with an 89% pass rate (8 passes, 1 failure). It last passed on 2 Sep 2025.
Is HN66 KNX ULEZ compliant?
Based on its fuel type and registration year, HN66 KNX 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 HN66 KNX?
HN66 KNX is approximately 10 years old. Age identifier 66 means registered between 1 September 2016 and 28 February 2017.