Frepal

The car shut down while driving and now It won't to start.
Tried to run diagnostic and i dont get any error codes (autel) know that i should try whit Star but i have a long way to the nearest.
I changed the CPS and it didnt help. The only thing that happens is that the fan is blowing in full speed,but it won't Crank. i can move the stick and when i put in the key i hear the sound....
I also changed the battery and have charged it before puting it in the car.
Can this be a blown fuse or relay problem?or the ECU?

PJmak

Check if you are out of fuel, maybe the fuel level sensor went out. Happened to me

Frepal

It has fuel but thanks for Quick answer

PJmak

Are you just counting on your fuel level gauge?

Mine showed half tank but the car was completely out

Frepal

No i have refueled 10liters just in case it would be that problem and i had about halv tank on the gauge

kbob999

So the question is, why would the fan blow full speed? Maybe a bad temp sensor that thinks it is overheated?
I'd say the CPS was the issue, but you fixed that. Did you use the OEM Bosch part?
If the engine does not want to turn over when you turn the key, could there be a starter failure? Not likely at the same time it quit.
You can always call Mercedes roadside assistance and get them to diagnose. It costs money, but gets you back home.

Frepal

i have been thinking it could be a temp sensor but i don't know which? yes i used a bosch. i dont think its the starter i because it stopped while driving. i live in a small town so we don't have road assistance

kbob999

Quick search popped up this thread...could be ECU

http://www.benzworld.org/forums/w203...-over-fan.html

Frepal

i have seen this thread i took out the ecu and opened it but didnt see any problem with it, it can of course be a problem with it . I have one guy that is going to look at the ECU next week to see if there is any problem with it.

Frepal

i have changed this relay after seeing this but wasent it

FCPEuro

Unfortunately, fan blowing full speed is a telltale sign of a shot ECM. Hoping that is not the case here.

--Kyle

ecmexchange

If you need your ECM repaired there's a good chance we can beat what the dealer will want to charge you. Check us out at http://carcomputerexchange.com/mercedes/cat_176.html, we're here for you if you need us. Good luck in getting your ride rolling again.

kramykram

pop your hood, take the cap off your fuel rail and see if you have fuel come out. if not, have someone turn over while you hold the valve in and see if you get fuel that way. besides the fan on mine not running as yours is. mine is not getting fuel. read a few post down. i am awaiting arrival of all my new parts, and then taking to mercedes to have the rear sam programmed to our c32.

Frepal

it was the ECU IT took a long time for me to get it back from repair but now it runs. But now i have new trouble with the car after a while driving it after the repair it stopped from engaging the gearbox from the engine no lock up so i changed the pwm solenoid and it drives again the problem now is that it slips a little bit when driving slowly and makes a whining sound so do anyone have a suggestion on what i should do next. I have a chinese star.....