Sully114

Hi I have a 05 W211 E320 CDI Avangard. I bought the car with a deployed steering wheel airbag and have just got round to replacing it. Now nothing on the steering wheel is working, no horn and the buttons do not work..The replacement airbag I bought was off same spec car so cannot understand why its not a straight swap. Do I need to plug the car into star and recode the airbag/multi function module maybe?

I noticed the part numbers on the two units were slightly different and there was a sticker on my original airbag unit which said Q2 and the replacement had Q15.. Not sure if this makes a difference? Any advice would be appreciated.

Plutoe

When you purchased the car was the air bag light on and did it stay on until and after you replaced the air bag-----or did it go out when you installed the replacement air bag.

FYI: MB does most things via complete part numbers----Q numbers are not recognized by EPC----so you haven't got the foggiest idea if it is compatable or not!!

To be sure you check parts via the VIN

After the install did you use the proper tools and remove all the faults??

Sully114

Hi Plutoe, the airbag had deployed as it was in a little accident. Im buying star this week to clear any codes and also getting the airbag ecu flashed if needs be, although I have read you can erase crash data upto 5 times on MB air ecus but will need to see when I get the diagnostics kit..Also will double check on EPC if the part numbers are compatible.

Should the steering wheel airbag units be a straight forward plug and play on these cars? or do they normally need some kind of coding work to get them communicating?

Plutoe

Always nice to get the complete story first----

In any event no coding, just installmand clear

Make sure you get "development keys" on you DAS Xentry or you will not be able to adjust the crash data--the option just will not be available!!

igharabli

HI PLEASE I NEED UR HELP ON THE DAS XENTRY I JUST NEED TO GET IT SET IT UP ON ,MY LOPTUP THX.

Plutoe

My suggestion is to go back to the person who sold you the system for technical support---I get paid to do that sorta thing!!

Sully114

Ok thanks for your help I will try clearing all crash/ fault codes via Star and see if that cures the probelm. One more thing, if clearing the code has no effect and the airbag unit is different and uncompatible in its current state, is there any option in Star/ Xentry to recode this module so it does start communicating with my car? Or would I have to try source an airbag with exact same airbag part number?
I was thinking about this and was wondering if I could use my original multifunction unit (buttons chassis and any electrics) and just swap the new/undeployed airbag into my old unit into old chassis?

Plutoe

It's the airbag control module that you have to worry about!!

I only replace airbags with the part number specified for the car, therefore have NO experience with any mix and match stuff or used stuff!!

Sully114

Ok thanks for your replies I will post my findings when I get Star next week. Hopefully I will be able to get it going with a bit of recoding work.

K.A84

Hi Sully,

Could you please tell me what the issue was if you have found out as I have same problem as you.

Thank you

Sully114

Hi I am still waiting for Star to arrive unfortunately. As soon as I get it I will post all the info up.

K.A84

Thank for the reply,
I connected mine to "Xentry" scanner and this message came: (LIN bus communication error)
I tried to find out what it was but no one seem to know.
Dealer will know what this information is but unfortunately I don't know anyone working at MB.

Plutoe

Something is very strange, I could not find a fault like you described-----All MB airbag faults either have a fault number or an event number prefix----what is your fault number and or event number???

Alternativly post a Xentry screen shot??

K.A84

I know it is very strange as I've even looked up online can't find anything relating to that, the code is: 9001

Plutoe

I think that you lied and are misleading all of us, because if you were really using DAS Xentry you would know that a fault of 9001= Control unit N2/7(Restraint system control unit) is defective.

Replace the unit and get on with your life!!

K.A84

You don't make sense! Why would I lie? I have a proof here which is a screen shot of the fault, how do I upload pictures on here to prove it to you that I am not misleading no body.
What do you mean by control unit? Do you mean the module? If that's the case I have even replaced that!

Plutoe

Post the screen shot!!!

K.A84

How do I post it? Can you tell me please as I'm new to this forum, I don't know how to!

Plutoe

First start an advanced reply-----look down to manage attachments------upload the screen shot attachment------post reply

Alternativly, wake your son up and have him do it

vettdvr

The variable ribbon connector called clock spring because it looks like one probably wasn't connected properly when the wheel was removed. Does the horn blow?

K.A84

@PLUTOE

This is the screen shot of the fault that I mentioned earlier today so don't assume, and call people a liar with your little brain and mental issues, look back at your comments you sound like a little school boy!!!

K.A84

Unfortunately it doesn't work, at night the airbag "functioning buttons" should glow but it does not so I'm assuming there is a loose connection some where I believe it is the steering wheel squib like you said, I did open it enough times to see if all the connectors are in place, they were all fine. I bought a squib on ebay as new but when it came it was very clear that it was used so I still gave it a try to see if it works but it didn't so I sent it back to him.
I'm looking to buy another one now, so hopefully everything should be okay then.

Plutoe

What version of DAS Xentry are you using?? Please show us DAS Xentry screen shot!!

Your tool shows a control module as SCM(MRE)---where in DAS Xentry is that module?

My DAS Xentry version 10_2008 and version 01_2014 shows AB= air bag or SRS=sub restraint system as control modules

Are you sure you have DAS Xentry or is this one of your tricks!!!!

K.A84

It is 100% "DAS Xentry" I don't know what version it is as it's my friends not mine so I will find out tomorrow and will let you know, I see if I can get a photo of the actual "DAS Xentry" tool it self and I will find out the version for you!

AMGAffalterbach

If you're going to use this forum you're going to have to get used to Plutoe and his responses, he doesn't to do it to be a jerk trust me it's apparently a very dynamic style of comedy trust me his knowledge is worth it.