Metra Metra Mercedes Data Interface With SWC 2001-Up

Provides Accessory Power (12-Volt 10-Amp); Retained Accessory Power; Provides 12 Volt Illumination Output; Used In Non-Amplified System; Provides NAV Outputs; Retains Balance And Fade; Designed To Be Compatible With All Major Radio Brands; Ability To Dual Assign Steering Wheel Control Buttons; Micro "B" USB Updatable; Compatible With Mercedes 2001-Up