If you do not have a fuel pump, your engine starve in no time. Infact, its been observed that a bad fuel pump will kill things quickly.The good news is that you can easily replace and install an electric fuel pump when necessary. This comprehensive guide will take you through the process step by step.

Please when you're ready to replace your fuel pump, make sure you have safety at the back of your mind. Remember to work in an open, well-ventilated space, and be sure you have a fire extinguisher close by incase of emergency.

Relieve the Fuel Pressure and Cut Power to the Fuel Pump

So it is a known fact that an electric fuel pump produces high fuel pressure to supply your electronic fuel injection system with plenty of pressurized fuel. This pressure does not go away just because you switched the engine off. You'll be required to take steps to release the fuel pressure before you are able to remove the fuel pump or its associated parts.

Read more:http://autocareplanet.com/2019-guide-on-how-to-replace-your-fuel-pump/

I wonder with this instructions how easy it would be to replace a fuel pump for 2018 mercedes GL class 550