The latest episode in my ongoing maintenance ,repair and restoration of my CLK55 has been the replacement of my steering wheel ,which had cracked and perished leather , especially on the top right due to sun and wear and tear.
I bought another from a wrecker , it looked the same and had the same gear shift buttons , so I thought even though it came from a R230 SL it would be fine.
Unfortunately I was wrong,,,behind the airbag MB had changed the electrical system for all the buttons and gear shift.
I had to swap the shifters from my old wheel , and install the junction box from my old wheel into the new one ,despite there being no bracket to hold it.
Luckily it has all worked out ok , the hardest part was undoing the main bolt ,,,I had to get my wife to push on the breaker bar while I held the wheel. 80 Nm ,,,maybe I am getting weak,,but you really need two people.
If I was doing it again though I would get a wheel from exactly the same model. It would certainly be a lot easier.