C63 Steering Wheel DIY - Is Vic Viper's the best source out there still?

Quoted from Vic Viper:
"Remove ground cable from battery
Remove airbag by inserting an L shaped T30 torx key in the two holes behind the steering wheel, loosen them both to fold out the airbag.
with the airbag folded outwards, disconnect the two large connectors in the steering column and place the airbag in a safe spot.
Unscrew the center bolt using a 8mm allen socket with an 2-3 inch extender and a socket wrench, be careful not to break the steering wheel lock, its best to use a buddy to hold the wheel steady while you loosen/tighten the bolt.
Remember the markings on the center spline and remove the wheel.
Install in reverse order"

Quoted from Vic Viper:
"Remove ground cable from battery
Remove airbag by inserting an L shaped T30 torx key in the two holes behind the steering wheel, loosen them both to fold out the airbag.
with the airbag folded outwards, disconnect the two large connectors in the steering column and place the airbag in a safe spot.
Unscrew the center bolt using a 8mm allen socket with an 2-3 inch extender and a socket wrench, be careful not to break the steering wheel lock, its best to use a buddy to hold the wheel steady while you loosen/tighten the bolt.
Remember the markings on the center spline and remove the wheel.
Install in reverse order"
hesitating on install unless I can get some confidence from forum members that the air bag won't blow up in my face first...
If installed incorrectly, would I receive an error code that told me this?
Or would I find out only when I got in a head on collision and the airbag doesn't deploy?

hesitating on install unless I can get some confidence from forum members that the air bag won't blow up in my face first...
If installed incorrectly, would I receive an error code that told me this?
Or would I find out only when I got in a head on collision and the airbag doesn't deploy?


I changed the wheel on my '08 earlier this year and learned two things. The allen wrench must be a 3/8" six point (Sears) and without someone to hold the wheel you won't be able to turn it because it was far tighter than it needed to be when installed originally.
My car's fixing nut is 10mm, not 8mm so verify this before buying. And the airbag will have to be removed to see it.
In my case, I used my new 28V impact wrench to break it loose while holding the wheel between my knees.
I changed the wheel on my '08 earlier this year and learned two things. The allen wrench must be a 3/8" six point (Sears) and without someone to hold the wheel you won't be able to turn it because it was far tighter than it needed to be when installed originally.
My car's fixing nut is 10mm, not 8mm so verify this before buying. And the airbag will have to be removed to see it.
In my case, I used my new 28V impact wrench to break it loose while holding the wheel between my knees.
Pretty simple deal once you get the tools right...
- Remove Air Bag by taking out 2 Torx screws and disconnecting the 2 electrical connectors
- Remove center bolt with 3/8" allen or impact driver
- Install new bag and wheel in reverse to above
Few other questions for clarification before I undertake however:
- What does Vic mean when he says, "Remember the markings on the center spline" ?
- What does Vic mean when he says, "be careful not to break the steering wheel lock" Is the steering wheel lock a part that has to do with the center bolt untightening?
Last edited by rb23lb; Oct 11, 2011 at 08:47 PM.
Pretty simple deal once you get the tools right...
- Remove Air Bag by taking out 2 Torx screws and disconnecting the 2 electrical connectors
- Remove center bolt with 3/8" allen or impact driver
- Install new bag and wheel in reverse to above
Few other questions for clarification before I undertake however:
- What does Vic mean when he says, "Remember the markings on the center spline" ?
- What does Vic mean when he says, "be careful not to break the steering wheel lock" Is the steering wheel lock a part that has to do with the center bolt untightening?
The steering wheel lock is a security feature that engages when you remove the key - it prevents the steering wheel from being turned by a thief. It's also generally junk and easy to snap if you put too much pressure on it.
The steering wheel lock is a security feature that engages when you remove the key - it prevents the steering wheel from being turned by a thief. It's also generally junk and easy to snap if you put too much pressure on it.
I am gonna go for it as soon as I get my hex bits from amazon...
20% chance I break something, but those are odds I'll take anyday to save $80 install at the dealer


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I thought I would never do it myself until I figured out how simple it was from other members posts, and my dealer wants $80-$100 bucks that I think I can easily save, as a matter of principle rather than losing the money...
If RLE and Vic Viper can do it, why can't I I say
- disconnect battery
-unscrew 2 torx screws from behind wheel
-disconnect airbag connectors and remove airbag/wheel core
- unscrew center bolt with socket hex wrench while holding wheel with legs or another person
- watch center spine marking to make sure new wheel goes back with same alignment
-install new wheel and bag in reverse
If battery is disconnected, there is no way the bag can explode and hit me in the face, from what I hear at least

just waiting on my 8 and 10 mm hex sockets to come from ebay so I can do the swap...



