Applicable Models: April 2013 to Present, Model W212; July 2013 to Present, Models 166, 207, V212; September 2014 to Present, Model 218; November 2014 to Present, Models 117, 156; April 2015 to Present, Model 172; MY-AII, Models 205, 217, 218, 222, 231. MY2013, Model 166 with Code 803, Models 207 and 212 with Code 804. Also, you can check SA Codes on vehicle data card or use any suitable online vin decoder to see SA codes related to your vin. You are looking for the presence of SA code 803 or 804, depending on the Model this means vehicle is FBS4 related.