My Girlfriends dad has a E280 Merc which has an intermittant fault where it runs on 4 cylinders.</P>


cylinders 1 &amp; 6 sometimes do not fire.</P>


It is currently with a Merc Dealer at the mo.</P>


They say that it is the ECU i can't see this personnaly i think it is far more likely to be a wire grounding or a Loose connection.</P>


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Has anybody else had this problem all help appreciated.<IMG src=smileys/smiley6.gif border="0"></P>

 

You didn't mention what year it is but if it's of the early to mid 90's than the wiring harness would be suspect.

 

Yeah it's a 1995 M plate?