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 2017 Mercedes-Benz Cla Diesel 2143cc has had 8 MOT tests on record, passing 7 and failing once (88% pass rate). It has 60,125 miles on the clock, averaging 4,533 miles per year, well below the UK average of 7,400.
MOT & Mileage History for RM12 GSM
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
Low mileage| Latest reading | 60,125 miles |
| Reading date | |
| Miles last year | 11,913 |
| Average per year | 4,533 |
| Mileage consistency | Variable |
Check RM12 GSM
- 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 8 tests on record
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Vehicle Details
| Registration | RM12 GSM |
| Make | Mercedes-Benz |
| Model | Cla |
| Colour | Black |
| Fuel type | Diesel |
| Engine | 2143cc |
| Year | 2017 |
| First registered | |
| Area code | RM — Reading, Reading |
| Age identifier | 12 — March 2012 to August 2012 |
More RM12 G plates
Browse all RM12 G registrations from Reading.
About RM12 GSM
What car is RM12 GSM?
RM12 GSM is an black Mercedes-Benz Cla, diesel (2143cc). First registered in Reading in 2017.
What is the mileage of RM12 GSM?
The last recorded mileage for RM12 GSM was 60,125 miles, recorded on 18 Aug 2025 during its most recent MOT test.
Has RM12 GSM passed its MOT?
RM12 GSM has had 8 MOT tests with an 88% pass rate (7 passes, 1 failure). It last passed on 18 Aug 2025.
Is RM12 GSM ULEZ compliant?
Based on its fuel type and registration year, RM12 GSM 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 RM12 GSM?
RM12 GSM is approximately 9 years old. Age identifier 12 means registered between 1 March 2012 and 31 August 2012.