www.seicane.com
Seicane S127509 1998-2005 Mercedes Benz S Class W220 aftermarket
car stereo head unit upgrade installation replacement instruction
Seicane S127509 1998-2005 Mercedes Benz S Class W220 head unit after installation
Precautions of the installation:
1. Please apply the parking brake and remove the negative cable on the vehicle battery before
the removal to ensure safety.
2. A lever and a screwdriver need to be prepared before the installation.
3. For your convenience, here’s the recommended tools for removal and installation from
Seicane, please check for more details: http://www.seicane.com/car-dvd-dismantling-device-srd-
400
1998-2005 Mercedes Benz S Class W220 head unit installation guide
1. The original car radio.
www.seicane.com
2 Set the parking brake and shift to a lower gear to allow the brake disc to open up.
3.Remove one screw on the right of the brake disc. Then remove the other screw on the left in
the same way. After that, pull out the brake disc.
www.seicane.com
4. Pry the edges of the panel along the sides with a lever, and remove the panel.
www.seicane.com
5. Remove four screws holding the original radio in the dashboard with a screwdriver.
6. Take the original radio out of the dashboard.
7. Disconnect the connector at the back of the original radio.
www.seicane.com
8. Check all the accessories for the new Seicane unit.
9. Connect the harnesses to the back of the new Seicane unit.
10. Connect the Seicane unit to your original car radio 's plugs, and turn on the new Seicane unit
to carefully check if everything works well.
11. Put the new Seicane unit back into the dashboard.
12. Install all screws and the panel into their original place. And put back the brake disc.
Please note:
We suggest you arrange a professional to install it. If you have any questions about installation,
please send us photos about your original car's plugs, we can make a wiring diagram for your car.
/