2005 Mercedes Benz E500. remove center dash. remove ashtray. remove 2 screws to remove heater control. loosen 2 screws on the bottom of the radio. pull out the radio. run speaker wires and antenna extension cable to trunk. remove back and side panels. remove screws holding fuse box. remove 3 10mm to remove amplifier/ radio tuner.
the rear speakers are connected with subwoofer wires