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1989 Mercedes Benz 560SEL
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25 Posts
Discussion Starter #1
i have an '89 560SEl that runs strong..sometimes
whether its cold outside or not the engine just seems to miss every once in a while. i just replaced the plugs less than a month ago. and cant seem to figure out what else it could be. possibly bad wires or what?
 

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1987 420SEL
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1,133 Posts
It could be the plug wires, distributor cap/rotor getting on in thier age.

Check the wires for cracks and obvious signs of damage; it could be as simple as the wires being too close together and they are just cross-firing. Are the wire holders on tope of each cam cover being used?

If it is bad wires, I was recently quoted $307 for a set from the local dealership. Do a search and you will find after-market companies that make quality sets for less.
 
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