Question about Mercedes-Benz 500-Class
The fuel level is ok.But fuel pressure.It can be low.If the fuel pressure is low then it will not start frequently as required.Get the fuel pressure checked.If the pressure is low then this problem is related to faulty fuel pump or fuel filter.
as you spray fuel the fuel directly gets to the fuel rail and car starts,but when the aerosol is not sprayed then the fuel is not passing to the fuel rail and car is not starting.After few tries the fuel gets to fuel rail/fuel line and car starts.So check the fuel pressure,also get the fuel line and fuel rail checked.-----------Also see if spark plugs are wet or moisture collected or spark plugs worn out Then its faulty spark plug causing this problem.------------
This should help.Thanks.Helpmech.
Posted on Dec 30, 2010
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Posted on Jan 02, 2017
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