Yeah, I'm afraid the W140 S class cars are known to be extraordinarily expensive to own and operate.

In particular, the early models, '92-'95-ish, were particularly problematic.

The consensus is that '98-'99 are the best to own, but at minimum, the newer the better.

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Paul S.

2001 E430, Bourdeaux Red, Oyster interior.
79,200 miles.

1973 280SE 4.5, 170,000 miles. 568 Signal Red, Black MB Tex. "The Red Baron".