II haveca 2000 c230 kompressor sport where is the fuel pump relay located
Engine bay fuse box.
In a c230 kompressor sports model, you will find the fuel pump relay in the fuse box.
In order to reach it, open your trunk and remove the carpet from the driver's side (if you live in a righ-hand drive, its the right side and vice versa).
You should be able to see the fuse box and you can open it up with a pair of screw drivers.