Dear customer
Thank you for your inquiry and we are happy to contact you.
This unit can fit your car and this unit is just plug and play ,easy installation and your steering wheel controls can still work after installation
And it can not support your cd changer ,because it will replace your cd and this unit has dvd ,so it can play the cd and dvd
If you don’t want to pull out the unit for that , we can send you a 6 meter long ,the 6 meter long cable is for cars with fiber optic amplifier.The role of it is to transmit sound from our unit to your original car's speakers.
we will send you a 6 meter long ,the 6 meter long cable is for cars with optic fiber amplifier.The role of it is to transmit sound from our unit to your original car's speakers.
If your car has optic fiber amplifier, then you need to connect this cable.
Please place order directly on our website
https://www.seicane.com/seicane-s127509-1998-2005-mercedes-benz-s-class-w220-s280-s320-s320-s400-android-dvd-gps-car-a-v-system-with-3g-wifi-radio-rds-bluetooth-mirror-link-obd2-hd-multi-touch-screen-s127509
By
Seicane