DPF/FAP clogging
Often reportedFrequent DPF clogging reported on small 1.5 diesel engines, especially in city or short trips; this prevents full regeneration.
Exhaust Emissions
The most frequently mentioned issue when buying a used Mercedes-Benz CLA 180d 2020 (118): DPF/FAP clogging. Also, EGR valve clogging and failure are 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 reported on small 1.5 diesel engines, especially in city or short trips; this prevents full regeneration.
Exhaust Emissions
The EGR valve on 1.5 dCi/OM608 engines tends to build up carbon deposits; this reduces effectiveness and causes rough running, power loss, smoke, and the check engine light.
Exhaust Emissions
Failures reported in injectors or high-pressure pump on the 1.5 dCi/OM608 engine family; causing rough running, power loss, black smoke, and increased fuel consumption.
Fuel System
Mercedes-Benz Cla 180d (2020): 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.