Mercedes-Benz Comand Operator's Manual page 143

Changing the number for roadside assistance
Use the rotary/pushbutton
field "Change 2" in the "Service No." menu and confirm
by pressing.
The country list "Change Service No. 2" is activated.
Telephone
Introduction
P82.85-2588-26
to highlight the menu
Telephone
Audio Telephone
Select the new country service number by highlighting
the country abbreviation you want with the rotary/
pushbutton and confirm by pressing.
The new service number is now stored in the menu
"Service No.".
Return to the main telephone menu by pressing
141
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