85.3%
Mercedes-Benz EQB
Mercedes-Benz EQB MOT pass rate and common problems
The Mercedes-Benz EQB passed 85.3% of its initial MOT tests in 2025, 13 percentage points above the 72.3% UK average. The item testers recorded most often was condition has a cut in excess of the requirements deep enough to reach the ply or cords.
Checking a specific car? Its own results, advisories and recorded mileages are in a free MOT history check.
How the EQB compares
Initial MOT tests in 2025, retests excluded. A car that failed and was repaired at the test station counts as a fail.
77.1%
Mercedes-Benz average
72.3%
UK average, all cars
The EQB runs 8.3 points ahead of the Mercedes-Benz average. It is 8th of the 35 Mercedes-Benz models in the data. The average EQB arrived at its test 2.7 years old with 30,652 miles recorded.
A pass rate records whether cars met the roadworthiness standard on test day. It is not a reliability score, and part of any gap reflects how old the tested cars were.
EQB MOT pass rate by age
The same 2025 tests split by the car's age at test.
| Age at test | Tests | Pass rate | vs UK average |
|---|---|---|---|
| 3 to 5 years | 671 | 87.6% | 15.3 pts above |
Every Mercedes-Benz EQB tested in 2025 was aged 3 to 5 years, so there is no other age group to compare with. The UK average of 72.3% covers cars of every age, so compare like with like.
Where EQB failures cluster
Every failure item recorded on Mercedes-Benz EQB cars in 2025, grouped into the DVSA's test areas.
Tyres and lamps, reflectors and electrical equipment together account for 79.5% of recorded failure items. These are recorded failures across the model, not faults every car has.
The 10 most common EQB MOT failures
Specific items recorded on Mercedes-Benz EQB cars that failed their 2025 MOT, as a share of all recorded failure items.
Together these 10 items make up 82.7% of everything testers recorded against failed Mercedes-Benz EQB cars. The rest is spread across many smaller items, and one failed test often records several at once.
What to look at on a EQB
The recorded failures above, grouped by area, biggest first.
1
Tyres
Recorded most often: condition has a cut in excess of the requirements deep enough to reach the ply or cords, condition has ply or cords exposed, tread depth below requirements of 1.6mm, condition has a tear, caused by separation or partial failure of its structure and condition has ply or cords damaged. 65.7% of failure items.
2
Lamps, reflectors and electrical equipment
Recorded most often: headlamp aim too high and headlamp aim too low. 6.3% of failure items.
3
Suspension
Recorded most often: linkage ball joints ball joint excessively worn and ball joint excessively worn. 6% of failure items.
4
Visibility
Recorded most often: wipers does not clear the windscreen effectively. 4.8% of failure items.
The car's own MOT history matters more than any model average. A free MOT history check shows whether a specific EQB has failed on these items before, or had them noted as advisories. Buying one? See the used Mercedes-Benz EQB buying guide.
Already found one?
Check its finance, write-off, theft, mileage and keeper history with a £15 vehicle history report.
Mercedes-Benz EQB MOT FAQs
What is the Mercedes-Benz EQB MOT pass rate?
85.3% of Mercedes-Benz EQB cars passed their initial MOT first time in 2025, from 3,194 tests. That is 13 percentage points above the 72.3% average for all cars, and ranks 115th of 575 models.
What does a Mercedes-Benz EQB most commonly fail its MOT on?
The item testers recorded most often on Mercedes-Benz EQB cars failing their 2025 MOT was condition has a cut in excess of the requirements deep enough to reach the ply or cords, on 29.1% of failure items. Next were condition has ply or cords exposed (28.5%) and wipers does not clear the windscreen effectively (4.8%).
Which area causes the most Mercedes-Benz EQB MOT failures?
Across every recorded failure item, the largest area was tyres at 69.6%, followed by lamps, reflectors and electrical equipment at 9.9%.
Does this mean every Mercedes-Benz EQB has these problems?
No. These are the items testers recorded across every Mercedes-Benz EQB that failed in 2025. They show where the model most often needs attention, not the condition of any individual car.
How do I see a specific Mercedes-Benz EQB's MOT history?
Enter its registration on the free Carpeep MOT history check to see that car's own test results, failures, advisories and recorded mileages.
MOT figures are aggregated from the DVSA MOT Anonymised data set for 2025: class 4 initial tests, retests excluded, with failure items from failed tests (advisories and minor defects excluded), licensed under the Open Government Licence v3.0. MOT results describe roadworthiness at test, not mechanical reliability.