Mercedes-Benz EQC reliability, MPG and running costs
Figures updated
The Mercedes-Benz EQC is a car. In 2024 MOT tests it scored 85 for reliability (100 is average), ranking 360 of 442, and 16.0% failed first time against a UK average of 28.5%. Its most common MOT failure is condition (5.8% of tests).
Ranked 360 of 442 cars in the 2024 MOT Reliability League
In 2024, 5,565 Mercedes-Benz EQCs aged 3 to 20 had an MOT and 16.0% failed first time (UK average 28.5%). Taking age and mileage into account, the Mercedes-Benz EQC is 18% more likely to fail than the average car of the same age and mileage. At the first MOT, at three years old, 16.0% failed (UK 12.7%).
First-time fail rate
16.0%
UK 28.5%
Fail rate at 3 years
16.0%
UK 12.7%
Average miles a year
10,300
Typical age at test: 3 years
Mercedes-Benz EQC MOT failure rate by age
Most common Mercedes-Benz EQC MOT faults
- Condition: has ply or cords exposed5.8% of tests
- Condition: has a cut in excess of the requirements deep enough to reach the ply or cords4.2% of tests
- Ball joint: ball joint excessively worn1.2% of tests
- Headlamp aim: too high0.9% of tests
- Wipers: does not clear the windscreen effectively0.9% of tests
- Condition: has a tear, caused by separation or partial failure of its structure0.7% of tests
What the Mercedes-Benz EQC fails on
| Area | Tests failing | vs similar cars |
|---|---|---|
| Tyres | 11.7% | ▲ 2.2× as often |
| Visibility | 1.7% | ▼ 50% less often |
| Suspension | 1.5% | ▲ 1.8× as often |
| Lights and electrics | 1.2% | ▼ 59% less often |
| Wheels | 0.3% | ▲ 1.8× as often |
| Brakes | 0.3% | ▼ 85% less often |
| Body and structure | 0.3% | ▼ 14% less often |
| Seat belts and airbags | 0.1% | ▼ 79% less often |
| Exhaust and emissions | 0.0% | ▼ 100% less often |
| Steering | 0.0% | ▼ 100% less often |
What MPG does the Mercedes-Benz EQC do?
Electric versions average 3 miles per kWh, with an official range of 249 to 277 miles.
Work out a journey's fuel costHow much is road tax on a Mercedes-Benz EQC?
Any Mercedes-Benz EQC first registered from April 2017 pays the standard rate of £200 a year after its first year (2026/27 rates).
Work out tax for a specific carMercedes-Benz EQC specs and running costs
Official figures for 4 versions sold in the UK between 2021 and 2023.
Fuel types
Electric
Electric range
249–277 miles
Efficiency
2.7–3.0 mi/kWh
Power
204–408 PS
| Version | Fuel | Economy | CO2 | Car tax | Company car tax |
|---|---|---|---|---|---|
| EQC EQV 300204 PS · N/A · listed 2023 | Electric | 3 mi/kWh | 0g | £200 | 4% |
| EQC EQC 400 4MATIC408 PS · N/A · listed 2023 | Electric | 3 mi/kWh | 0g | £200 | 4% |
| EQC .5 EQC 400408 PS · N/A · listed 2021 | Electric | 2.7 mi/kWh | 0g | £200 | – |
| EQC .5 EQC 400 4MATIC408 PS · N/A · listed 2021 | Electric | 3 mi/kWh | 0g | £200 | – |
Economy and CO2 are official 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. Company car tax is the 2026/27 benefit-in-kind rate.
What a Mercedes-Benz EQC costs to fuel
- Electric, typical official 3 miles per kWh…
Official figures are usually 10–15% better than real-world driving.
Work out your charging costsBuying a used Mercedes-Benz EQC?
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 EQC reliable?
Its MOT record is worse than average: the Mercedes-Benz EQC is 18% more likely to fail than the average car of the same age and mileage, with a reliability score of 85 in our 2024 league (100 is average).
›What are common problems with the Mercedes-Benz EQC?
The most common MOT fault is “Condition: has ply or cords exposed”, found in 5.8% of tests. It fails on tyres and suspension more often than similar cars.
›What MPG does the Mercedes-Benz EQC do?
Electric versions average 3 miles per kWh, with an official range of 249 to 277 miles.
›How much is road tax on a Mercedes-Benz EQC?
Any Mercedes-Benz EQC first registered from April 2017 pays the standard rate of £200 a year after its first year (2026/27 rates).
›How many Mercedes-Benz EQCs fail their MOT?
16.0% of Mercedes-Benz EQCs aged 3 to 20 failed their MOT first time in 2024, and 16.0% failed at their first MOT.
Sources: DVSA anonymised MOT tests 2024, all versions of the Mercedes-Benz EQC 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.