My take on it is to rebuild the engine.

You can replace your whole car with another one for the same dollar amount, but then you have a car with a lot of unknowns.

With your current vehicle, you at least know the maintenance record and what works / doesn't work.

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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".