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 C 300 Amg Line Edition D Auto Diesel 1950cc has had 3 MOT tests on record, passing every one. It has 47,532 miles on the clock, averaging 7,019 miles per year, below the UK average of 7,400.
MOT & Mileage History for KU21 RSX
Data from DVSA. Last updated August 2026. Check gov.uk for the latest.
MOT failures recorded
Average miles/year
Gaps in MOT history
Mileage Analysis
Below average| Latest reading | 47,532 miles |
| Reading date | |
| Miles last year | 9,005 |
| Average per year | 7,019 |
| Mileage consistency | Consistent |
Check KU21 RSX
- 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 3 tests on record
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Vehicle Details
| Registration | KU21 RSX |
| Make | Mercedes-Benz |
| Model | C 300 Amg Line Edition D Auto |
| Colour | Black |
| Fuel type | Diesel |
| Engine | 1950cc |
| Year | 2021 |
| First registered | |
| Area code | KU — Luton, Luton and Northampton |
| Age identifier | 21 — March 2021 to August 2021 |
More KU21 R plates
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About KU21 RSX
What car is KU21 RSX?
KU21 RSX is a black Mercedes-Benz C 300 Amg Line Edition D Auto, diesel (1950cc). First registered in Luton in 2021.
What is the mileage of KU21 RSX?
The last recorded mileage for KU21 RSX was 47,532 miles, recorded on 13 Feb 2026 during its most recent MOT test.
Has KU21 RSX passed its MOT?
KU21 RSX has had 3 MOT tests with an 100% pass rate (3 passes, 0 failures). It last passed on 13 Feb 2026.
Is KU21 RSX ULEZ compliant?
Based on its fuel type and registration year, KU21 RSX 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 KU21 RSX?
KU21 RSX is approximately 5 years old. Age identifier 21 means registered between 1 March 2021 and 31 August 2021.