mauno

Hi, can someone point me which one is the relay for the secondary air pump? A photo or map would be appreciated. C200 Kompressor M111.955 engine

Milkm4n

I'm having the same problem with my m272, smog pump not actuating bank 1 and 2.....basically smog pump doesn't run. I was told by an indy i would need to replace the front sam as the smog pump relay is built into it, im still doing research but its not looking good.

mauno

Yea it does not sound right. I can move the flap with hands.And it turns. Do you know which wires i have to connect to the 12V in which order to see is it really the relay?

Milkm4n

not sure what u mean by flap but i tested mine by switching it with another member. My pump worked on his car, his didn't work on my car i also switched my check valve but no luck with that either. u could test the pump manually i guess by removing it and hooking it up to a 12v with some spare wire....i would be careful not to burn the pump as i'm sure u probably have the same problem as me.

ontmiss

https://mbworld.org/forums/c-class-w...0-code-sc.html


Check att: pdf post 13 from Glyn, looks like that air pump relay is for 112, 113 and 271 engines so 111 doesn't have one.

Milkm4n

I've been having the same problem but i have a m272 would u happen to know if there is a fuse or relay for my smog pump? I have been told by an indy that the fuse for my smog pump is in my front sam, so he wants to change my front sam to get my smog pump working.

Milkm4n

bump where is Karo when u need him lol

samaritrey

From Facebook
I wish this rain would stop. I have a lot on my plate today. Pick up springs, install springs and shocks, paint calipers, get a new tire, brake fluid flush, brake job, mount tires and paint Euro impact strips!!!! I hope I can make it just in time for the MBJunkies meet.

Milkm4n

he just called me not 2 min ago

ontmiss

Is this what you are looking for?

Milkm4n

Thanks man, the Indy printed out the same two pages for me i switched the fuses with another w203 but it didnt help im thinking maybe i didnt switch the right one because my fuse box doesn't look exactly like that

ontmiss

Here is front sam wiring diagram if that can help somehow.

BTW why don't you update your profile with year and model of car?

Milkm4n

thanks man, Most helpful im going to go check it out now oh i updated my info i guess i need a new sig too my car doesn't look like hat anymore