Question about 1987 Mercedes-Benz 300-Class

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1997 300D sometimes cuts out when brake or indicator is touched.

Occurs intermitently -rarely on a long drive - will re start OK either straight away or after a few minutes. Can you advise what could be causing this and how to fix this problem ?

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  • Mercedes-Benz Master
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Next time when it cuts out,check the primary fuel filter.
It should be 1/2 to 3/4 full.
If it's below half then the intank 80 micron filter screen filter can be clogged.
Are you using bio-diesel or bio-diesel blend?
In general, change the in-tank,primary and secondary filters will fix the problem.

Posted on Aug 26, 2009

  • Vincent_G
    Vincent_G Aug 26, 2009

    When you say "cuts out" does do you mean engine STALL OUT?




    Which indicator is being touch (please be specifc) when the car stall out?




    Please disreguard my bio-diesel comment.




    Please check your service record for the last fuel filter change.




    You should change it every 24,000 to 36,000 miles.




    Keep the tank between 1/2 to full (DO NOT TOP OFF) and see does it stall re-suface.




    A weak fuel pump will fail at 1/2 to near empty. Usually on a hot weather condition.





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