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W177 Hatch · Sedan
Mercedes-Benz A-Class · Hatch · Sedan · 2018–
Current A-Class with the hand-built M139 in the A45 S.
Production run
2018–now
Engines covered
4
Avg. part price
—
19902026
Interactive systems map
Inspect the W177
Tap a hotspot to inspect that system
Systems map
Where it goes wrong
Each numbered hotspot counts the documented failure points in that area. Select one to see the specifics for this chassis and engine.
Failure points by system
Cooling1
Exhaust2
Documented issues per engine
0M282
0M260
4M139
4OM654
Known weak points
What breaks on the W177
Guides & playbooks
W177 playbooks
Maintenance scheduleGive me a mileage-based maintenance schedule for a Mercedes-Benz A-Class W177, including the items the factory schedule skips.Buyer's inspectionI'm inspecting a used Mercedes-Benz A-Class W177. What exactly should I check, test drive and look for underneath?Build planPlan a staged performance build for a Mercedes-Benz A-Class W177 that stays reliable as a daily driver.Fault code lookupI have a fault code on my Mercedes-Benz A-Class W177. Walk me through what it means and how to confirm the cause.
Fits your W177
Parts & tools
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