Mercedes-Benz A-Class W177 — Reliability

W177 2018–2022 1 engine

Reliability Summary

Engine M282 — 68/100 ACCEPTABLE
Known Issues 5

Engine in this model

ACCEPTABLE 68

M282

1.3L Turbo I4

Renault-Daimler 1.33 turbo (H5Ht twin). Smooth and frugal, but early 2018-2019 units are known for t...

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Known Issues Across All Engines

Issue Engine Severity Onset
Timing-chain tensioner wear — cold-start rattle, chain can jump M282 high 64,000 km – 113,000 km
Oil consumption on early units (piston rings) M282 moderate 48,000 km – 97,000 km
Thermostat housing / water-pump coolant leak M282 moderate 60,000 km – 129,000 km
Turbo wastegate actuator wear M282 moderate 80,000 km – 150,000 km
Direct injector fouling / carbon M282 moderate 60,000 km – 120,000 km