Gotmy car back after service yesterday,my fuel Filter was replaced and the filter is in the tank with the pump and sender. Hopefully the mechanic simply forgot to reconnect a wiring harness. - Rodney Birmingham, Alabama (USA) - Current: 2011 SL550, Former: 2011 ML350, CLK550 Cabriolet, 2002 C240, 2001 ML320, 1984 Forsome fuel pumps and in-tank modules, it can cause the bottom of the tank to come in contact with the bottom of the pump and restrict fuel pickup. This type of failure can be intermittent. It could occur when the vehicles run for a specific period of time. It can also happen when the fuel and vapors inside the tank cool. 7 Remove the seal and lift the cap. You will see top of the fuel pump. Take a picture to document the alignment of the pump connections. See picture. 8) Unplug the cable which is power line to the pump. 9) Start engine and wait 5-10 seconds until engine runs out of fuel and stalls. 10) Disconnect the fuel lines. MercedesBenz E350 Problems by Year. Problem with your 2006 Mercedes-Benz E350? Our list of 45 known complaints reported by owners can help you fix your 2006 Mercedes-Benz E350. 2006Mercedes E350- I have code P0629- fuel pump A control circuit high. I checked voltage on the red/green wire and it reads 0 with the power probe with key in number 2 position. I traced the wire fr read more Step3 – Fuel pump and fuel pump relay. If the crankshaft position sensor is not your problem, it is likely that the engine is not getting fuel. Surprisingly, there have been quite a few reports of owners having faulty or dead fuel pumps in their w211s. There are a few steps you can take to diagnose a fuel related issue: First, and perhaps Lastweek I had mine out and you can put power to 2 of the pins (MAYBE 30 & 87, but check first) on the relay and see if it pulls in, but there is still the other circuit in the relay where it looks for a signal coming from the #1 terminal on the distributor (to check and see if the engine is cranking or running).My SL has all the same relays on the left side, MERCEDESW211 NO START NO FUEL PRESSURE FUEL PUMP PROBLEMS Our Website: http://mechaniclifestyle.comHey guys, in this video we will show you some fuel probl E350 95,000 miles. Strong fuel vapor odor from vehicle when more than 3/4 full. Residue on top of fuel system components under rear seats. Still present after replacing fuel filter, plastic seal uOwaW0.