Quadlock Radio Wiring Harness ISO Headunit Connector Loom for Mercedes This adaptor will enable you to replace your factory fitted head unit with an aftermarket model. It converts the cars power and speaker plug into a standard ISO connection, suitable for all aftermarket head units (Alpine, Clarion, JVC, Kenwood, Pioneer, Sony etc). You simply plug one end of the adaptor into your cars original wiring harness, and the other end into the new head unit. No cutting of wires is necessary. Fits vehicle models including: MERCEDES (AUDIO 10) MERCEDES A-CLASS 2004 >MERCEDES B-CLASS 2005 >MERCEDES C-CLASS 2004 >MERCEDES CL 2007 >MERCEDES CLK 2006 >MERCEDES CLS 2005 >MERCEDES E CLASS 2004 >MERCEDES ML 2006 >MERCEDES R-CLASS 2006 >MERCEDES S-CLASS 2006 >MERCEDES SLK 2004 >MERCEDES SPRINTER 2006 >MERCEDES VITO 2006 > The above list of vehicles is a general guide and cannot be guaranteed in all cases. To ensure compatibility, we recommend that the vehicle connector pictured above is compared to the actual connector on your vehicle