1992 Mercedes Benz 300ce

Engine Mechanical problem
1992 Mercedes Benz 300ce 6 cyl Two Wheel Drive Automatic 168000 miles

My mechanic could not repair my car because the computer needed to be up-graded and only the dealer had the necessary equipment to do it. My question is, how much does up-grading the computer cost in my car cost?
Omar Shaheed
October 18, 2010.

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