The Axxess AXDI-MB1 is a premium data interface designed for select 2001–2018 Mercedes-Benz vehicles. Engineered to simplify aftermarket radio installation, the AXDI-MB1 retains important factory features such as Retained Accessory Power (R.A.P.), balance and fade controls, factory warning chimes, and provides essential navigation outputs for multimedia receivers. Featuring plug-and-play connectivity and compatibility with amplified and non-amplified systems, the AXDI-MB1 allows seamless integration of modern aftermarket radios while preserving OEM functionality. Features & Highlights Designed for select 2001–2018 Mercedes-Benz vehicles Compatible with amplified and non-amplified systems Provides 12V accessory power output (10-amp) Retains R.A.P. (Retained Accessory Power) Retains balance and fade controls Retains factory warning chimes Provides navigation outputs: Parking brake Reverse trigger Vehicle speed sense (VSS) Pre-wired for Axxess steering wheel control interface Plug-and-play installation design Micro “B” USB firmware updatable Compatible with aftermarket multimedia receivers including Apple CarPlay and Android Auto radios Specifications Specification Details Product Type Radio Replacement Data Interface Manufacturer Axxess / Metra Electronics Model Number AXDI-MB1 Vehicle Compatibility Select Mercedes-Benz Vehicles Vehicle Years 2001–2018 Amplified System Compatibility Yes Accessory Power Output 12V / 10A R.A.P. Retention Yes Navigation Outputs Reverse / Parking Brake / VSS Steering Wheel Control Ready Yes (AXSWC sold separately) Firmware Updatable Yes (Micro USB) Installation Style Plug-and-Play Compatible Vehicle Applications Mercedes-Benz C-Class Mercedes-Benz CLK-Class Mercedes-Benz CLS-Class Mercedes-Benz E-Class Mercedes-Benz G-Class Mercedes-Benz GL-Class Mercedes-Benz M-Class Mercedes-Benz R-Class Mercedes-Benz SLK-Class Mercedes-Benz Sprinter Compatibility varies depending on trim level, factory amplifier package, and MOST system configuration. Installation Notes Designed for vehicles without MOST fiber-optic audio systems Steering wheel controls require AXSWC interface (sold separately) Some vehicles may require additional antenna adapters or dash kits Firmware updates available through Micro USB connection Professional installation recommended on Mercedes applications due to factory integration complexity