Double Din Stereo Fitting Kit + Steering Wheel Stalk Controls to fit Mercedes E-Class 2009-12Double Din Stereo Fitting Kit + Steering Wheel Stalk Controls to fit Mercedes E Class 2009 12 Mercedes E Class (W212) installation kit. This kit comes supplied with a double DIN fascia kit, a button relocation panel, a CAN Bus steering wheel control interface, an antenna adapter and a universal patchlead. The interface retains select steering wheel controls, factory phone buttons as well as the OEM amplified system. Note: the new stereo must have RCA