How do you unlock the Mercedes MCS command II?

INSTRUCTIONS

1.

Press the audio button to get into audio mode.

2.

To access the engineering mode

Press and hold the circled button (mute) in the bottom left

Press and hold the circled button (phone) in the bottom right

Press and hold the circled button (serv) in the top left

Simultaneously hold all 3 buttons for about 45 seconds until you

get a message on the screen which says "Welcome to

Engineering Mode".

3.

To enter the secret menu

Press and hold the "*" star key

Press and hold the "#" hash key

Press and hold the "<" arrow left key

Simultaneously hold all 3 buttons as indicated above -

To access the video in motion menu press the button next to

Dr.Dist.

Using the arrow keys deactivate all of settings with the OK button.

Press the back button to get back to the main menu.

To access the MP3 enabling menu press the button next to

Backd.

Using the arrow keys, highlight the MP3 feature and enable it

using the OK button.

Now go back to the main menu using the back button.

To access the DVD region menu, press the button next to regcod.

Using the arrow keys, highlight the region free setting and enable it

using the OK button.

To activate the settings press back then end and switch the

command console off then back on again.

All setting may be activated and de-activated as many times as

you want.