I have an '88 560SEC that had been sitting for 11 years and won't stay running. With only 109,000 miles on it, what could be wrong? New fuel filter, pumps and relay.

Asked by PJ May 27, 2014 at 03:52 PM about the 1988 Mercedes-Benz 560-Class 560SEC Coupe

Question type: Maintenance & Repair

Engine purrs like a kitten when it runs but
dies randomly.

3 Answers
25,325

chassy answered 9 years ago

11 year old gas isn't nice (neither are 11 year old tires,belts,hoses) Siphon out the old,put in full tank of high test and some Sea Foam or Wynnes or what ever brand you like. Check air filter vacuum lines,etc. And don't be running around in it until you checked out all the other 11 year old oil,filter,tranny,coolant. Peek at the brakes and I can not imagine the rubber is any good.

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