DPF/FAP clogging
Often reportedFrequent DPF clogging is reported in small 1.5 diesel engines, especially during city driving or short trips; this prevents full regeneration.
Exhaust Emissions
When buying a used 2019 Mercedes-Benz CLA 180d (117 / facelift), the most frequently mentioned issue is DPF/FAP clogging. EGR valve clogging and failure are also commonly reported.
Proceed with caution
Most reported issue: DPF/FAP clogging. Service history and a test drive matter.
Listed from most frequently reported, each with its source.
Frequent DPF clogging is reported in small 1.5 diesel engines, especially during city driving or short trips; this prevents full regeneration.
Exhaust Emissions
The EGR valve in 1.5 dCi/OM608 engines tends to accumulate carbon deposits, reducing effectiveness and causing rough running, power loss, smoke, and check engine light.
Exhaust Emissions
Failures of injectors or the high-pressure pump are reported in the 1.5 dCi/OM608 engine family, causing rough running, power loss, black smoke, and increased fuel consumption.
Fuel System
Mercedes-Benz Cla 180d (2019): boot 495 L; fuel use 4,3 l/100 km (urban 4,9 l/100 km · extra-urban 3,9 l/100 km); 0–100 in 11.2 s.
Same trim, different year
We only publish claims we can verify. Cards come from Difetti fault records matched to this vehicle on brand, fuel, engine and generation.