Question about Mercedes-Benz C-Class

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How do I change the ignition in my 94 Mercedes Benz c220? I have posted a problem on here 2 days ago asking for advice on changing my ignition lock cylinder when the key won't move. I was offered tips on getting the ignition unstuck but none worked. The only option I ended up with was drilling it out and replacing it.So I ordered a Lock cylinder today from my local junk yard and they ended up giving me the entire ignition and a key. So I decided to just swap out the ignition if its going to be easier. Would it? How do I get the ignition off of the steering column? Do I have to remove the steering wheel? If so how can I do so with out deploying the airbag? Also how do I remove the wiring harness from the back of the ignition? I can send pics if anyone needs me to. Just provide your email or email me at Thanks to anyone with advice in advance.

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In general terms, the shroud around the lock is removed and the lock has security screws holding it.

The wiring to it is to a connector and the wire is clipped to the column to behind the dash. There will be a push connector.

Disconnect the battery, that disconnects the air bag.

The key and lock are part of the anti-theft system. Make sure the battery is disconnected for at least tow hours. Make sure the key is in the ignition when you reconnect the battery. Wit 15 minutes before trying to start it whilst the Anti-theft resets.

Videos of the job here

change the ignition in my 94 Mercedes Benz c220 Google Search

Posted on Mar 13, 2017

  • Andrew Taylor
    Andrew Taylor Mar 13, 2017

    watch this video. I just did, and this guy has all the answers. A lot of what I wrote doesn't apply to Mercedes.



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Posted on Jan 02, 2017

  • 323 Answers

SOURCE: driver's airbag light on 2007 PT Cruiser convertable

The first code is for "driver seat track position sensor low". The module detects that the sensor input is less than or equal to 0.3 mA. The second code is referring to the first code. I have no idea what the third code is. Basically you have two different communication systems mixed. The 2001 uses the PCI bus system and the 2007 uses the CAN bus which is much faster. The first code is a CAN bus code and the second is a PCI code. As far as the airbag deploying in the event of a collision, I don't believe it will with an active code in the system. I hope this helps.

Posted on May 13, 2009

  • 659 Answers

SOURCE: R&R Steering Wheel Assembly and/or Steering Column Assembly

if you disconnect the battery and let it sit awhile this will disable the airbag.

Posted on May 16, 2009

  • 58 Answers

SOURCE: Mercedes Benz c220 ignition will not turn.

Did you try jacking up the car at the front then wiggle the steering as you turn the key? Did you try a spare key? Spray inside the mechanism with WD40. Try putting the key in at different depths and turning.
The lock cylinder is a replace only item.

Posted on Feb 03, 2010

  • 437 Answers

SOURCE: how to reset airbag for mercedes benz c220 1994

This can not be reset by conventional methods. This must be done through a scan tool. Usually only the dealer scan tool will communicate with the SRS module. If the SRS light is on you have other issues and they must be remedied before the light will go out. There is no way of knowing what the issue is without running codes with the scan tool.

Posted on Feb 10, 2010

  • 160 Answers

SOURCE: Air bag replacement

you may also need a center sensor assem. it is the brain for the airbag and should only be used once however it is your risk

Posted on Apr 29, 2010

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