Steering wheel adapter for Mercedes vehicles / Smart 40Pin Quadlock Multilead

Mercedes steering wheel adapter

The adapter allows you to retain the original steering wheel control functions when replacing the factory radio with an aftermarket unit.

⚠ Depending on the vehicle model, the head unit used and its software, some functions may not be supported or may be replaced by others.

Key information:

• CAN bus connector:40-pin (Quadlock Mercedes)

• SWC:OEM → 3.5mm Jack / Loose Wire

• Alternative variant:SWC Mercedes ISO / Quadlock Multilead → item: 42xmc00c

• HU support:

  • Audio 20 (OEM, 2-DIN)

  • Audio 50 APS Comand NTG2 / NTG2.5

  • OEM Sat Nav

• Harman Kardon vehicles:require a dedicated adapter (item: 13-1190-52 / 13-1190-53)

• Limitations:

  • Clock adjustment in vehicles with Comand NTG2/2.5 → not supported (coding only possible in HU Audio 20)

  • Mercedes without 1-DIN OEM HU → not supported

Application in vehicles: Mercedes:

• A-class (C169/W169) 10/2004 - 06/2012

• Class B (T245) 07/2005 - 09/2011

• C-Class (W203/CL203/S203) 02/2004 - 09/2007

• CLC Class (CL203) 06/2008 - 02/2011

• CLK-Class (W209) 04/2005 - 01/2010

• CLS-Class (C219) 04/2008 - 09/2010*

• E-Class (W211/S211) 03/2008 - 01/2009

• G-Class (W463) 04/2007 - 06/2008

• GL-Class (X164) 09/2006 - 07/2012

• M/ML Class (W164) 07/2005 - 07/2011**

• R-Class (W251) 09/2005 - 05/2010

• SLK-Class (R171) 04/2008 - 03/2011

• Sprinter (W906) 04/2006 - 05/2018

• Vito / Viano (W639) 04/2006 - 03/2014

Smart:

• Smart ForFour (W454) 01/2004 - 04/2007***

Available output signals:

• red - +12V ignition (terminal 15)

• orange - +12V lighting (terminal 58)

• purple/white - +12V reverse gear signal

• pink - speed signal (VSS)

• green - parking brake signal GND

Output load capacity:max. 250 mA