RegVerdict Model Intelligence
Mercedes-Benz 500 reliability
MOT pass rates & common faults·2,425 DVSA tests·2024
Across 2,425 real DVSA MOT tests in 2024, 84% of Mercedes-Benz 500 cars aged 13 years and older pass their MOT first time, ahead of the 61% average for all cars of that age. It holds up especially well on seat belts and tyres.
84%
Strong for its agepass first time (13 years and older)
Strong for its age · beats 90% of peers
+22.8 pts
MOT pass rate by age
13 years and older
2,425 tests · fleet 61%
84%
Where the 500 fails
Suspension99
Brakes98
Body & structure99
Steering100
Tyres99
Lights & electrics97
Holds up better on seat belts, tyres, suspension.
Share of 13 years and older Mercedes-Benz 500 MOTs with no fault in each area; the marker shows the fleet average. OGL v3.0.
Common questions
Is the Mercedes-Benz 500 reliable?
On 2024 MOT data the Mercedes-Benz 500 holds up well for its age: 84% of examples aged 13 years and older pass first time, against a 61% fleet average. That puts it ahead of 90% of similar-age models.
What is the MOT pass rate for a Mercedes-Benz 500?
First-time MOT pass rates for the Mercedes-Benz 500 in 2024: 13 years and older, 84%. Pass rates fall with age across the whole fleet, so compare each figure with cars of the same age, not with a new car.
What commonly fails on a Mercedes-Benz 500 MOT?
No single area stands out as a recurring weakness for the Mercedes-Benz 500 versus other cars of the same age. Its MOT failures are spread across the usual wear items (tyres, brakes, lamps).
Other Mercedes-Benz models
Check a Mercedes-Benz 500’s full history 