"Is the A Serisi A220d reliable, and what should you check?"
When buying a used Mercedes-Benz A-Class A220d 2021 (177), the most frequently mentioned issue is abnormal engine oil consumption. DPF clogging is also commonly reported.
Engine: OM654
OM654.920 · diesel · A220d · Used in this car from 2019-2021
Known engine issues
Short rocker arm lifespanA known weak point of this diesel engine is the short lifespan of the rocker arms.
Camshaft and hydraulic lifter replacement if neglectedIf this problem is overlooked, the camshaft and hydraulic lifters will need replacement.
Bosch CP4 fuel system sensitive to poor fuelThe Bosch CP4 fuel system with piezo injectors does not tolerate poor-quality fuel at all.
+2 more issues on the engine detail page
Known issues and risks
Listed from most frequently reported, each with its source.
Abnormal engine oil consumption
Often reported
Many users and technical analyses report higher than normal oil consumption in the 2.0 OM654 engine, especially in medium-to-high mileage models. The issue requires frequent oil top-ups, and in reported cases, deep inspections for piston rings, seals, or component leaks are needed.
Engine Internal
DPF clogging
Often reported
In city driving and short trips, automatic DPF regeneration may not occur properly, leading to soot buildup, power loss, dashboard warnings, and costly forced regeneration or cleaning/replacement.
Exhaust Emissions
Injection system sensitivity (injectors)
Often reported
The engine uses advanced injection systems (piezoelectric/high-pressure injectors) that can be sensitive to low-quality fuel or contamination, leading to rough running and increased consumption.
Fuel System
Turbocharger wear or failure
Often reported
Turbocharger wear or failures are reported in high-mileage or poorly maintained vehicles.
Turbo
Mercedes-Benz A Serisi A220d technical specs
Mercedes-Benz A Serisi A220d (2021): boot 335 L; fuel use 4,5 l/100 km (urban 5,5 l/100 km · extra-urban 3,9 l/100 km); 0–100 in 7 s.
Boot capacity
335 L
Fuel consumption
4,5 l/100 km (urban 5,5 l/100 km · extra-urban 3,9 l/100 km)
What to look for when buying a Mercedes-Benz A-Class A220d?+
When buying a 2021 A220d, check the service history, test drive, and look for engine/transmission warnings. Most commonly reported issues: abnormal engine oil consumption; DPF clogging; injection system sensitivity (injectors).
What are the chronic problems of the Mercedes-Benz A-Class A220d?+
Most commonly reported issues: abnormal engine oil consumption; DPF clogging; injection system sensitivity (injectors).
Is the Mercedes-Benz A-Class A220d reliable?+
Instead of a simple yes/no, it's better to weigh the proven pros and cons together. This page lists 4 verified findings.
How does Carbeak collect data?+
The cards on this page are derived from Difetti fault database records; brand, fuel, engine, and generation compatibility between the source vehicle and target vehicle are verified. Topics with insufficient evidence are not shown.
We only publish claims we can verify. Cards come from Difetti fault records matched to this vehicle on brand, fuel, engine and generation.
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