SL 500: Mercedes Navigation Upgrade & Sound System Leave a Comment / Audio, Multimedia / By Ultra Auto Sound Mercedes SL 500 Upgrading navigation system and adding an amplifier Original system. Small screen…slow interface…no touch Everything removed…wiring the new system Factory changer removed. New amplifier being installed in the changer location for tuning access. JL Audio XD 700/5 Amplifier hidden New double din installed. Little modification required. Easy to use interface. Fast. Garmin navigation. Nice touch interface. Kenwood DNX 890HD. Share This:FacebookTwitterEmailLike this:Like Loading... Related