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:
• A Class (W176) 2013 -
• B Class (W246) 2011 -
• GLA (X156) 2013 -
• CLA (C117) 2013 -
• Phone button compatibility: Yes
• Patch lead: Type C
• Notes: Retains date and time change from the steering wheel, Connect Yellow wire directly to car battery, Blue wire connect to antenna power.
• Outputs:
• Reverse (Purple/Violet): Yes
• Handbrake (Light Green): Yes
• VSS (Pink): Yes

Known to work with the following vehicles:

• A Class (W176) 2013 UP 
• B Class (W246) 2011 UP 
• GLA (X156) 2013 UP
• CLA (C117) 2013 UP