My ml 320 shuts off while I am driving.Any suggestions on possible problem

 

yes you need to check or replace the fuel filter call me at 630 8547567
im in illinois streamwood 60107 work on most mercedes benz

 

Replace the CPS unit. I did it yesterday and problem solved cost me $70 Canadian and 5 minutes of my times.

Look for the details on this site because they will save you lots of ears.

 

One more comment follow/search "chassis221" a real expert on this site and he gives a blow by blow account. Follow his advice and the you wont' hardle get your hands dirty. Just get the right tool and the part and get up, carefully over the motor on right side.