My 94 E320 wagon just turned 100,000 miles. Items that wore out and needed replacement included exhaust system, rubber components in front and rear suspension, steering shock, serpentine belt tensioner, flex disc, engine mounts, fuel pump and water pump. Add the head gasket and wiring harness which are just bad designs, and the timing cover gasket which is probably a bad design. Got a head job when the head gasket went. The car runs great now, but has cost a lot of repair dollars even considering it is 10 years old.

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Chip Johnson