Mercedes-Benz GLC 300 AMG Line Prem + D 4M A reliability
MOT pass rates & common faults · 7,439 real DVSA tests · 2024
Across 7,439 real DVSA MOT tests in 2024, 92% of Mercedes-Benz GLC 300 AMG Line Prem + D 4M A cars aged 4 to 7 years pass their MOT first time — ahead of the 85% average for all cars of that age. It holds up especially well on road wheels and emissions & leaks.
MOT pass rate by age
Where the GLC 300 AMG Line Prem + D 4M A tends to fail
Share of Mercedes-Benz GLC 300 AMG Line Prem + D 4M A cars aged 4 to 7 years with no fault in each area (higher is better). The tick is the fleet average for the same age.
Holds up better than average on road wheels, emissions & leaks, lights & electrics.
Common questions
Is the Mercedes-Benz GLC 300 AMG Line Prem + D 4M A reliable?
On 2024 MOT data the Mercedes-Benz GLC 300 AMG Line Prem + D 4M A holds up well for its age: 92% of examples aged 4 to 7 years pass first time, against a 85% fleet average. That puts it ahead of 81% of similar-age models.
What is the MOT pass rate for a Mercedes-Benz GLC 300 AMG Line Prem + D 4M A?
First-time MOT pass rates for the Mercedes-Benz GLC 300 AMG Line Prem + D 4M A in 2024: up to 3 years, 94%; and 4 to 7 years, 92%. 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 GLC 300 AMG Line Prem + D 4M A MOT?
No single area stands out as a recurring weakness for the Mercedes-Benz GLC 300 AMG Line Prem + D 4M A versus other cars of the same age — its MOT failures are spread across the usual wear items (tyres, brakes, lamps).