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
• ML Series 2005 - 2011
• GL (X164) 2006 - 2010
• Phone button compatibility: Yes
• Patch lead: Type C
• Notes: Compatible With MOST 25 Fibre Optic Amplified Systems allowing the retention of the OEM SWC when installing a new head unit. *Note - New Radio Must Have RCA Audio Out Connectors, Track back and forward will only work when "audio" is displayed on the MFD
• Outputs:
• Reverse (Purple/Violet): Yes
• Handbrake (Light Green): Yes
• VSS (Pink): Yes
• Telephone Mute (Pink/Black): Yes

Known to work with the following vehicles:

• Mercedes M-Class 2005-2011 W164 
• Mercedes GL-Class 2006-2010 X164