Mercedes-Benz CLC reliability, MPG and running costs
Figures updated
The Mercedes-Benz CLC is a car. In 2024 MOT tests it scored 95 for reliability (100 is average), ranking 296 of 442, and 43.9% failed first time against a UK average of 28.5%. Its most common MOT failure is ball joint (11.4% of tests).
Ranked 296 of 442 cars in the 2024 MOT Reliability League
In 2024, 8,510 Mercedes-Benz CLCs aged 3 to 20 had an MOT and 43.9% failed first time (UK average 28.5%). Taking age and mileage into account, the Mercedes-Benz CLC is 5% more likely to fail than the average car of the same age and mileage.
First-time fail rate
43.9%
UK 28.5%
Fail rate at 3 years
–
UK 12.7%
Average miles a year
7,000
Typical age at test: 14 years
Mercedes-Benz CLC MOT failure rate by age
Most common Mercedes-Benz CLC MOT faults
- Ball joint: ball joint excessively worn11.4% of tests
- Coil spring: fractured or broken7.9% of tests
- Tread depth: tread depth below requirements of 1.6mm4.4% of tests
- Linkage ball joint dust cover: ball joint dust cover no longer prevents the ingress of dirt4.0% of tests
- Pins and bushes: pin or bush excessively worn3.3% of tests
- Position lamp: not working3.3% of tests
What the Mercedes-Benz CLC fails on
| Area | Tests failing | vs similar cars |
|---|---|---|
| Suspension | 25.1% | ▲ 1.5× as often |
| Lights and electrics | 17.2% | ▼ 12% less often |
| Brakes | 11.4% | About average |
| Tyres | 9.7% | ▲ 1.3× as often |
| Visibility | 7.2% | ▲ 1.1× as often |
| Exhaust and emissions | 4.2% | ▼ 25% less often |
| Steering | 4.0% | ▲ 1.2× as often |
| Body and structure | 2.5% | ▼ 61% less often |
| Wheels | 1.6% | ▲ 2.8× as often |
| Seat belts and airbags | 1.1% | ▼ 26% less often |
What MPG does the Mercedes-Benz CLC do?
Official economy for the Mercedes-Benz CLC ranges from 28.2 to 50.4mpg across the 130 versions listed by the Vehicle Certification Agency (2008–2010). A typical diesel version manages 44.8mpg. Expect 10–15% less in real-world driving.
Work out a journey's fuel costHow much is road tax on a Mercedes-Benz CLC?
Any Mercedes-Benz CLC first registered from April 2017 pays the standard rate of £200 a year after its first year (2026/27 rates). A Mercedes-Benz CLC registered between March 2001 and March 2017 is taxed on its CO2: £225 to £760 a year.
Work out tax for a specific carMercedes-Benz CLC specs and running costs
Official figures for 130 versions sold in the UK between 2008 and 2010.
Fuel types
Diesel, Petrol
Official economy
28.2–50.4 mpg
CO2
147–239 g/km
| Version | Fuel | Economy | CO2 | Car tax |
|---|---|---|---|---|
| CLC Coupé CLC 200 CDI no DPF 205 Tyres at rearM6 · listed 2010 | Diesel | 48.7 mpg | 152g | £275 |
| CLC Coupé CLC 200 CDI no DPF 225/245 Tyres at rear on 16"/17" wheelsM6 · listed 2010 | Diesel | 47.9 mpg | 155g | £275 |
| CLC Coupé CLC 200 CDI no DPF 245 Tyres at rear on 18" wheelsM6 · listed 2010 | Diesel | 46.3 mpg | 161g | £275 |
| CLC Coupé CLC 200 CDI no DPF 205 Tyres at rearA5 · listed 2010 | Diesel | 42.8 mpg | 174g | £325 |
| CLC Coupé CLC 200 CDI no DPF 245 Tyres at rear on 18" wheelsA5 · listed 2010 | Diesel | 39.8 mpg | 188g | £410 |
| CLC Coupé CLC 200 CDI no DPF 225/245 Tyres at rear on 16"/17" wheelsA5 · listed 2010 | Diesel | 41.5 mpg | 179g | £360 |
| CLC Coupé CLC 220 CDI no DPF 205 Tyres at rearM6 · listed 2010 | Diesel | 47.9 mpg | 156g | £275 |
| CLC Coupé CLC 220 CDI no DPF 225/245 Tyres at rear on 16"/17" wheelsM6 · listed 2010 | Diesel | 47.1 mpg | 159g | £275 |
| CLC Coupé CLC 220 CDi no DPF 245 Tyres at rear on 18" wheelsM6 · listed 2010 | Diesel | 44.8 mpg | 166g | £325 |
| CLC Coupé CLC 220 CDI no DPF 205 Tyres at rearA5 · listed 2010 | Diesel | 42.8 mpg | 172g | £325 |
| CLC Coupé CLC 220 CDI no DPF 225/245 Tyres at rear on 16"/17" wheelsA5 · listed 2010 | Diesel | 42.2 mpg | 175g | £325 |
| CLC Coupé CLC 220 CDI no DPF 245 Tyres at rear on 18" wheelsA5 · listed 2010 | Diesel | 41.5 mpg | 179g | £360 |
| CLC Coupé CLC 200 CDI with 195/60 16" rear wheelsA5 · listed 2010 | Diesel | 44.1 mpg | 169g | £325 |
| CLC Coupé CLC 200 CDI with 195/60 16" rear wheelsM6 · listed 2010 | Diesel | 50.4 mpg | 147g | £225 |
| CLC Coupé CLC 200 CDI with 195/60 16" rear wheels No DPFA5 · listed 2010 | Diesel | 44.1 mpg | 169g | £325 |
Economy and CO2 are official NEDC (before 2018) or WLTP figures. Car tax is the yearly rate at current rates for a car first registered in the year listed, before any expensive car supplement. Showing the 15 most recent of 130 versions.
What a Mercedes-Benz CLC costs to fuel
- diesel, typical official 44.8mpg…
Official figures are usually 10–15% better than real-world driving.
Work out a journey in a Mercedes-Benz CLCBuying a used Mercedes-Benz CLC?
Check the MOT history of the exact car: every result, advisory and mileage reading, free.
Other Mercedes-Benz models
Frequently asked questions
›Is the Mercedes-Benz CLC reliable?
Its MOT record is worse than average: the Mercedes-Benz CLC is 5% more likely to fail than the average car of the same age and mileage, with a reliability score of 95 in our 2024 league (100 is average).
›What are common problems with the Mercedes-Benz CLC?
The most common MOT fault is “Ball joint: ball joint excessively worn”, found in 11.4% of tests. It fails on wheels and suspension more often than similar cars.
›What MPG does the Mercedes-Benz CLC do?
Official economy for the Mercedes-Benz CLC ranges from 28.2 to 50.4mpg across the 130 versions listed by the Vehicle Certification Agency (2008–2010). A typical diesel version manages 44.8mpg. Expect 10–15% less in real-world driving.
›How much is road tax on a Mercedes-Benz CLC?
Any Mercedes-Benz CLC first registered from April 2017 pays the standard rate of £200 a year after its first year (2026/27 rates). A Mercedes-Benz CLC registered between March 2001 and March 2017 is taxed on its CO2: £225 to £760 a year.
›How many Mercedes-Benz CLCs fail their MOT?
43.9% of Mercedes-Benz CLCs aged 3 to 20 failed their MOT first time in 2024.
Sources: DVSA anonymised MOT tests 2024, all versions of the Mercedes-Benz CLC combined (Open Government Licence v3.0); official economy and CO2 from Vehicle Certification Agency data, © Crown copyright. VCA cannot accept liability for its accuracy. How we calculate the league.