The only W210 failure item I remember reading about is the front spring perch, which can fail if it has rusted badly. Dirt can accumulate on top of the spring perch, where it traps water like a sponge and the perch rusts.

The original owner of our '96 E300D (OM606NA) got to replace the a/c blower and controller but that problem should have previously been fixed in these cars now 20 years old. Owner #1 also got to replace a couple of window regulators.

The NA 606 engines can have problems with their intake manifold tuning flaps but since yours is a turbodiesel you are exempt from that hassle.

There is no requirement in any Mercedes service to change/flush the power steering fluid, only "check and top up." At 250,000 miles our car still had the original fluid, black with age. The reservoir in these cars lacks a filter, too, so changing the fluid (~30,000 miles?) is a good idea.

Bushings and other suspension components including the steering links age gradually; sometimes you don't even realize how bad they've gotten until something starts clunking. I have not had LCA problems but others have; rust-enhancing climates make that problem more likely.

Our '96 E300 at 300,000 miles has been otherwise boring.

Jeremy

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"Buster" in the '95

Our all-Diesel family
1996 E300D (W210) . .338,000 miles Wife's car
2005 E320 CDI . . 113,000 miles My car
Santa Rosa population 176,762 (2022)
Total. . . . . . . . . . . . 627,762
"Oh lord won't you buy me a Mercedes Benz."
-- Janis Joplin, October 1, 1970