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W124 Sedan · Coupe · Estate · Cabrio
Mercedes-Benz E-Class · Sedan · Coupe · Estate · Cabrio · 1984–1997
The over-engineered benchmark — 500E and E60 AMG included.
Production run
1984–1997
Engines covered
6
Avg. part price
—
19902026
Interactive systems map
Inspect the W124
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
Engine5
Fuel1
Electrical2
Exhaust1
Documented issues per engine
4M102
4M103
4M104
4M119
4OM603
4OM606
Known weak points
What breaks on the W124
Timing chain stretchDiagnose →Head gasketDiagnose →Valve stem seal smokeDiagnose →Wiring harness insulation crumbling (1992–1995)Diagnose →Head gasket at the rearDiagnose →Wiring harness degradationDiagnose →Timing chain tensioner railsDiagnose →Head cracking on 3.5Diagnose →Injection pump sealsDiagnose →Glow plugsDiagnose →
Guides & playbooks
W124 playbooks
Maintenance scheduleGive me a mileage-based maintenance schedule for a Mercedes-Benz E-Class W124, including the items the factory schedule skips.Buyer's inspectionI'm inspecting a used Mercedes-Benz E-Class W124. What exactly should I check, test drive and look for underneath?Build planPlan a staged performance build for a Mercedes-Benz E-Class W124 that stays reliable as a daily driver.Fault code lookupI have a fault code on my Mercedes-Benz E-Class W124. Walk me through what it means and how to confirm the cause.
Fits your W124
Parts & tools
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