engine compression problem

25

Asked by Apr 23, 2008 at 07:34 PM about the 1994 Mercedes-Benz S-Class

Question type: Maintenance & Repair

my 1994 s500 one day did not start. I had it towed to a car mechanic and he diagnosed the problem as a compression problem and wants 7K to rebuild the engine.  How can things change so much from one day to the next?

2 Answers

14,365

To be perfectly clear. Many engine related problems seem as if they happen over night, but in reality it takes many weeks or months of something not working properly for the problem to finally show up. With that said, I would love to hear the explanation that your mechanic has provided as to what he means by "compression problem". I dare say that $7,000 is a ridiculous amount of money to pay for to have a stock engine rebuilt on any mass produced automobile. Myself, I'd probably get a second opinion.

2 out of 2 people think this is helpful.

I have the same problem, the mechanic wants 4900.00 to replace the engine with a used one. just like you it happend over night.I have a friend with a 95 S420 engine fro 600, but not sure if it can be installed in my 94 S500. any help would be greatful.

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