Retrofit is plug and play for many models 2005-2011:
W211
W219
W164
W221
W204
 
If you dont see your model in this list please reach out to verify fitment (above are the most commonly ordered models)
 
for w211 Models, please make sure your build date falls on or after 06/2004
 
notes:
Bottom left side of the buttons will not function (this is cruise control on new models, oem cruised control will function from stalk.
 
If you would like a different color stitching please select other and include desired color in checkout. We will reach out to verify
 
In checkout please state the year and model of your vehicle