How to Troubleshoot Mercedes S550 Sound & Navigation

Troubleshooting video guide for 2007 & up Mercedes S550 Sound & Navigation audio, navigation, display, and sound system

Common Problems

Satellite tuner module.

Voice control module.

Navigation unit.

Amplifier.

CD changer.

Audio Compoents

Satellite tuner module.

Voice control module.

Navigation unit.

Amplifier.

CD changer.

Tools Needed

Screw drivers and/or torque set.

Panel removal tools.

Fiber-optic loop (lollipop).

Satellite Tuner Removal Instructions (other components follow similar procedure)

In the trunk, remove the left quarter panel.

Remove the navigation unit screws on the bottom bracket.

Disconnect the plugs.

Insert the fiber-optic loop (lollipop) into the disconnected plug.

Turn on the ignition, and test to see of the issue has been resolved.

Useful Tips

We suggest testing the satellite radio, voice control modules, and amplifier first.

Remember to reconnect the modules after you try the other units.

Some units may require programming.