cla 1000

My steering wheel controls stopped working sometimes last year. Only on the left side. Today I took the air bag off and disconected all the airbag connections. I fixed the steering wheel controls with a soldering iron but when I put the air bag back on, reconected the batery cable, and started the car back on the SRS light came on and it dose not go away.
Any sugestions?
I took the air bag off again and rechecked all tha connections. It all looks good but the srs is still on.

valexv

did you have your key in while disconnected? or did you turn it on. to turn if of have to take it to someone with stars computer. not sure if removing fuses would work but i have the same problem

hcetzneb

On certian models even if you dont turn the key on the srs light will come on. The AB control module will record the bag being diconected. The only way that works sometimes is if you disconect the batt. let it sit for some time and then take off the air bag but even then the light could get set

cla 1000

So what can I do to get rid of it. Any way I can reset it without taking it to the deeler?

Rev 2 Liv

First off, any Cheapy OBDII scanner or SRS scanner won't be able to turn the light off.

U need to goto a Euro car shop that actually has invested in diagnostic equipment instead of just a sign on the window.

I believe Carsoft 7.4 is also capable of doing it with the correct Chinese knockoff multiplexer and a little bit of searching.

RedG

He doesn't 'need' a euro-specific car repair shop, he just need a repair shop with a european vehicle chip for its scanner. Hell my $90 handheld can reset turn of any CEL light on vehicles it is programmed to communicate with. Which to my knowledge includes a W203.

Glyn M Ruck

Read this - ignore the BS

https://mbworld.org/forums/c-class-w...srs-error.html

RedG

With all due respect that doesn't say anything outside of what has been said in this thread. Having a Snap-On scanner could mean it is a $150 CAN/OBDII equipped scanner that has limited manufacturer specific codes, no transmission or TPMS capability. Or in could be a Snap-On Modus/Solus that can do just about everything that a STARS computer can do, and more.

ohlord

disconnect of air bag,either on the wheel or one of the door modules.It will sometimes clear itself after several complete proper drive cycles.That can take up to 40 trips that all the requirements for a proper drive cycle are met.If you don't have that amount of time(an inspection coming up) get it on an SDS and have it cleared.When the light is on that bag is not activated,even though it is hooked up.

RedG obviously does not know the difference between OBD2 codes and an SRS code. Which cannot be reset with a $90 buck obd2 scanner,
Hell he probably does not even know that just by turning off (erasing a cel)
It does not fix the problem even if it is an emission related code)Hell?

you could try running several generic drive cycles if you know how to do them,and see if the srs lamp goes away.

TemjinX2

you can try something like this. its cheap enough to give it a shot.

http://cgi.ebay.com/ebaymotors/Merce...spagenameZWDVW

Glyn M Ruck

Mike - the 38 pin system is not compatible with OBDII - you would need a multiplexer

RedG

Now why would you say that when it is quite obvious that I do know that simply erasing a code, and turning of a CEL light doesn't 'fix' the problem? And where did I say that it would reset a SRS light or even address that problem? I said it can turn off CEL lights. Don't assume I said something I quite obviously did not, thats disingenuous on your part, don't do it.

TemjinX2

ic..thanks for clearing that up.

To the op, you'll probably need to take it to a shop with star system to clear it then.

Glyn M Ruck

Yes STAR or Snap On Modus or Solus for the pedantic. 10,000 to 20,000 US$ diagnostic machines.

TemjinX2

you can take it to a shop or mb dealership with star. I took mine to a mb shop and they charged me $90 for the reset. I remember i was able to reset my srs on my honda with a paper clip. I miss that..lol.

///AMG4EVER

Take it to an independent MB shop with access to STAR. They charged me $40 to clear it out in 5 minutes.

C230 Sport Coup

True...so true.
Better yet, show up with a 6 pack around closing time....
no way to clear SRS without star system.

Rev 2 Liv

Any adventurous soles here that is willing to invest in Carsoft and a cheap multiplexer? With it, you could be your own electronic mb jock.

cla 1000

Thanks for all the imput. I tryed an MB steelership and they wanted 105 to connect it to the star system. I said no thanks. When I was going out the door la service laidy said to me that I shoul be aware that when the SRS light is on my air bags are nor working and that in case of an accident...
I told her I will rather take my chances than pay 105 for a 5 min job.
It's funny how they treat people over there. They must assume that just because u own a mercedes u are made of monney and they are haveing a real hard time understanding people that do not throw monney at them as soon as they ask them to.
I'll have to go somewhere else.

Rev 2 Liv

It makes me ill to defend the dealer, but you're SA isn't just blowing smoke up your --- on this one. In case of an accident, the Supplemental Restraint Systems may not deploy which could be the difference between a mild case of whiplash or blunt force trauma.

Many service based industries even other car dealerships as well as indy's have a minimum service time charge to look/fix a problem even if it is only a 5 min job.

Granted with Acura or Lexus you could ether fix it with a paperclip or they would fix it under goodwill, i would guesstimate that your still looking at $60 mininum. Difference is Mercedes workshops in general seem to nickel and dime the customer every step of the ownership experience.

For convenience sake and peace of mind, I would have forked over $105 to get it over with.

Glyn M Ruck

What are the insurance implications of ignoring an SRS light in the US?

Rev 2 Liv

None really. Were I to get into a head on collision with another car and my airbags didn't go off causing trauma to my head, neck, insurance would still pay medical fees associated with my insurance policy.

Even with a lack of tort reform in the USA, I would hesitate before filing a negligence lawsuit against Mercedes for selling me a defective product.

Basically, the SRS light is considered the same as strapping on a seatbelt in an accident. My rates would go up if I were found at fault for the accident, but i'm risking my own safety.