Why does my gas tank fill up slow?
Just wanted to give everyone a heads up whoever has this issue. If you have the issue like me, where you can’t fill your tank unless it’s at the slowest pump speed before the gas pump thinks you have a full tank, you maybe in luck. The issue seems to be the charcoal canister valve FILTER.
Is there a problem with the Mercedes Benz gas tank?
Filling up the tank should never be an issue, unless its running down the side of your car; LOL. Here’s the problem with your car. Many Mercedes models from 2003 – 2009 have a known gas tank issue where a hole develops on top of the tank. The only solution is getting the gas tank replaced.
What’s the fuel pressure on a Mercedes Benz?
A great and affordable gauge that we have used in the past is this Actron Fuel Pressure Gauge which works on Mercedes-Benz cars. Turn the engine off and connect this gauge to the Schrader valve test port shown in the picture below. Start the car and you should be able to get around 60 psi.
What should I do if my Mercedes Benz won’t start?
Start the car and you should be able to get around 60 psi. When the engine is running and when you turn off the engine the pressure should stay steady. Always perform this test on a cold engine. Next, make sure that the fuel injector connections are secure and not loose. Check the fuel pump and the fuel pump relay.
Why does my car not fill up with gas at the pump?
If it happens at every gas station and not just one, there is most likely a problem with your vehicle’s vent / purge system for the fuel tank. When you fill up, the vapors inside the gas tank need to move and expand. They do so through a charcoal canister and purge valve.
Just wanted to give everyone a heads up whoever has this issue. If you have the issue like me, where you can’t fill your tank unless it’s at the slowest pump speed before the gas pump thinks you have a full tank, you maybe in luck. The issue seems to be the charcoal canister valve FILTER.
How to fix slow fill on Mercedes Benz?
Get a 10, 11 and 12 mm socket and pliers for removal of the vacuum line clamps. You don’t have to completely remove the wheel liner. Simply remove the 3-4 screws facing the rear of the car in the liner and fold the liner halfway to get access to the caniser.
What to do when your gas fill is slow?
The top of the canister has the valve. You can twist it and it will de-attach from the canister. Between the Canister and Valve there is a filter. If the filter is black that’s a good sign. Take the filter and clean it with some dish soup while scrubbing by hand.