Do It Yourself Mercedes Benz 300 E Car Stereo Removal '89 +/-
Mercedes Benz 300 E Amplifier and Tuner Box Removal '93 +/-
Mercedes Radio Replacement, Removing and Installing

How to Remove MBZ Car Stereo E300

Radio Replacement, Removing and Installing 1.1) Flip open ash tray assembly, release ash tray and remove.
Mercedes Radio Replacement, Removing and Installing 2.1) Remove one screw top left corner of ash tray assembly cavity.
Radio Replacement, Removing and Installing 3.1) Remove one screw top right corner of ash tray assembly cavity.
Mercedes Radio Replacement, Removing and Installing 4.1) Pull back front edge of carpet behind wood grain center console.
Radio Replacement, Removing and Installing 5.1) Remove one exposed screw.
Radio Replacement, Removing and Installing 6.1) Set parking brake, shift to low gear.
6.2) Lift back edge of wood grain center console up. Be careful, this is real wood.
Mercedes Radio Replacement, Removing and Installing 7.1) Pull wood grain center console back from front dash.
Mercedes Radio Replacement, Removing and Installing 8.1) You need an separation between ash tray assembly and center wood grain panel.
Radio Replacement, Removing and Installing 9.1) Remove ash tray assemble from dash.

NOTE - wood grain panel on ash tray assembly is always broken, this can be glued back on to ash tray assembly before reinstallation.

Mercedes Radio Replacement, Removing and Installing 10.1) Set ash tray assembly to side with wires still connected.
Radio Replacement, Removing and Installing 11.1) Push tab, left and below car stereo down to release from car stereo.
Mercedes Radio Replacement, Removing and Installing 12.1) Push tab, right and below car stereo down to release from car stereo.
Radio Replacement, Removing and Installing 13.1) Place finger into cassette opening to grasp edge of car stereo and pull from opening.

NOTE - This step and the previous two have to be done together to release car stereo.

Mercedes Radio Replacement, Removing and Installing 14.1) Remove car stereo from dash.
Radio Replacement, Removing and Installing 15.1) Remove antenna and all connectors.
Mercedes Radio Replacement, Removing and Installing

Aftermarket Installation

 

Because you have a fader control in the center console, this is a Common Ground system. What is a Common Ground system? Back in the days when this stereo was made, every speaker output had a positive and negative lead. However, the negative lead was common to the battery negative and every speaker negative. Today's car stereo has Floating Ground. Still each speaker output from the stereo has a positive and negative. But, the negative is not the same as the battery and each speaker negative is separate and different from the others. This is a rewire to each speaker.
Radio Replacement, Removing and Installing 16.1) Locate the original speaker leads from the stereo. These leads go to the console fader, then to the speakers.
Mercedes Radio Replacement, Removing and Installing 17.1) Look back into the car stereo opening, you will find two more speaker leads connected.
Radio Replacement, Removing and Installing 18.1) Disconnect these speaker leads. Disconnected, these speaker leads remove the common ground through the fader to the front speakers. There is no need to rewire the front speaker. Cut and splice. Rewire the rear speakers.
   
Mercedes Benz 300 E Amplifier and Tuner Box Removal
Mercedes Bose Amplifier Replacement, Removing and Installing

How to Remove MBZ Amplifier and Tuner Box 300 E '93 +/-

Bose Amplifier Repiar, Remove, Replace and Install 1.1) In trunk, passenger side, side panel under top edge of panel.
Mercedes Bose Amplifier Replacement, Removing and Installing 2.1) Gently pry center pin from side panel clip.
Bose Amplifier Repiar, Remove, Replace and Install 3.1) Remove center pin from clip.
Mercedes Bose Amplifier Replacement, Removing and Installing 4.1) Gently pry remaining clip base from side panel.
Bose Amplifier Repiar, Remove, Replace and Install 5.1) Remove clip base.

NOTE - When reinstalling clip, insert base into opening on side panel into slot into vehicle first. Then push center pin into clip to lock in place.

Mercedes Bose Amplifier Replacement, Removing and Installing 6.1) Along back edge of side panel below brake light assembly, pull side panel in front of rear back panel.
6.2) Pull top edge of panel above brake light assembly down to release edges.
Bose Amplifier Repiar, Remove, Replace and Install 7.1) Along back of seat panel, pull side panel forward from back edge panel to release edge.
Mercedes Bose Amplifier Replacement, Removing and Installing 8.1) Pull top edge of side panel away from car.
Bose Amplifier Repiar, Remove, Replace and Install 9.1)  Lift panel up out of side wheel well and remove panel for access to amplifier and tuner box..
Mercedes Bose Amplifier Replacement, Removing and Installing 10.1) Remove one bolt at top right corner of amplifier, securing amplifier to mounting bracket.
Bose Amplifier Repiar, Remove, Replace and Install 11.1) Remove one bolt at bottom right corner of amplifier, securing amplifier to mounting bracket.
Mercedes Bose Amplifier Replacement, Removing and Installing 12.1) Remove one bolt at top left corner of amplifier, securing amplifier to mounting bracket.
Bose Amplifier Repiar, Remove, Replace and Install 13.1) Remove amplifier, release connector on amplifier to disconnect.
Mercedes Bose Amplifier Replacement, Removing and Installing 14.1) Remove one bolt at bottom of amplifier mounting bracket.
Bose Amplifier Repiar, Remove, Replace and Install 15.1) Remove one bolt at center left of amplifier mounting bracket.
Mercedes Bose Amplifier Replacement, Removing and Installing 16.1) Remove one bolt at center right of amplifier mounting bracket.
Bose Amplifier Repiar, Remove, Replace and Install 17.1) Remove amplifier mounting bracket. At the same time, this releases the tuner and tuner mounting bracket from opposite side car mount.
Mercedes Bose Amplifier Replacement, Removing and Installing 18.1) Release antenna cable and all connectors on front edge of tuner box.
Bose Amplifier Repiar, Remove, Replace and Install 19.1) Remove tuner box with mounting bracket.
   

Front and Rear Speaker Removal presently not available.

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