This Aerpro control harness allows you to upgrade to an aftermarket head unit whilst maintaining use of your factory steering wheel controls.

Steering controls are considered a primary harness and will require a secondary harness and patch lead to be used in conjunction for plug and play.

Specs: 

• Suits: Mercedes Benz models with quadlock:
• E Class (W211) 2002 - 2009 (audio 20)
• SLK (R171) 2004 - 2010
• SL (R230) 2004 - 2014
• Phone button compatibility:Yes (When enabled from factory)
• Patch lead: Type C
• Notes: Not compatible with amplified systems.
• Outputs:
• Reverse (Purple/Violet): Yes
• Handbrake (Light Green): Yes
• VSS (Pink): Yes
• Telephone Mute (White): Yes

Known to work with the following vehicles:

• Mercedes E-Class 2002-2009 W211 
• Mercedes SLK R171 2004-2011