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 2021 Mercedes-Benz Cla Petrol 1332cc has had 4 MOT tests on record, passing 3 and failing once (75% pass rate). It has 29,469 miles on the clock, averaging 6,180 miles per year, below the UK average of 7,400.
MOT & Mileage History for KS21 RLX
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 | 29,469 miles |
| Reading date | |
| Average per year | 6,180 |
| Mileage consistency | Consistent |
Check KS21 RLX
- 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
Explore more about the Mercedes-Benz Cla
Thinking about buying this car? These resources will help you make an informed decision.
Vehicle Details
| Registration | KS21 RLX |
| Make | Mercedes-Benz |
| Model | Cla |
| Colour | White |
| Fuel type | Petrol |
| Engine | 1332cc |
| Year | 2021 |
| First registered | |
| Area code | KS — Luton, Luton and Northampton |
| Age identifier | 21 — March 2021 to August 2021 |
More KS21 R plates
Browse all KS21 R registrations from Luton.
About KS21 RLX
What car is KS21 RLX?
KS21 RLX is a white Mercedes-Benz Cla, petrol (1332cc). First registered in Luton in 2021.
What is the mileage of KS21 RLX?
The last recorded mileage for KS21 RLX was 29,469 miles, recorded on 24 Mar 2026 during its most recent MOT test.
Has KS21 RLX passed its MOT?
KS21 RLX has had 4 MOT tests with a 75% pass rate (3 passes, 1 failure). It last passed on 24 Mar 2026.
Is KS21 RLX ULEZ compliant?
Based on its fuel type and registration year, KS21 RLX 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 KS21 RLX?
KS21 RLX is approximately 5 years old. Age identifier 21 means registered between 1 March 2021 and 31 August 2021.