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W463 SUV
Mercedes-Benz G-Class · SUV · 1990–
The unkillable G-Wagen — ladder frame and three diff locks throughout.
Production run
1990–now
Engines covered
8
Avg. part price
—
19902026
Interactive systems map
Inspect the W463
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
Engine2
Cooling3
Intake2
Fuel2
Electrical1
Exhaust2
Transmission1
Documented issues per engine
4M104
4M112
4M113
0M176
4M177
4OM606
5OM642
4OM656
Known weak points
What breaks on the W463
Wiring harness insulation crumbling (1992–1995)Diagnose →Head gasket at the rearDiagnose →Head bolt / gasket leaksDiagnose →Intake manifold flapDiagnose →Camshaft adjuster magnetsDiagnose →Motor mountsDiagnose →Heat managementDiagnose →Coolant pumpDiagnose →Injection pump sealsDiagnose →Glow plugsDiagnose →Oil cooler seal leak (classic)Diagnose →Swirl flap / intake runner failureDiagnose →AdBlue faultsDiagnose →EGR coolerDiagnose →
Guides & playbooks
W463 playbooks
Maintenance scheduleGive me a mileage-based maintenance schedule for a Mercedes-Benz G-Class W463, including the items the factory schedule skips.Buyer's inspectionI'm inspecting a used Mercedes-Benz G-Class W463. What exactly should I check, test drive and look for underneath?Build planPlan a staged performance build for a Mercedes-Benz G-Class W463 that stays reliable as a daily driver.Fault code lookupI have a fault code on my Mercedes-Benz G-Class W463. Walk me through what it means and how to confirm the cause.
Fits your W463
Parts & tools
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