Mercedes-Benz 2008 R 320 CDI 4MATIC Operator's Manual page 173

Controls in detail
Control system
With the selection marker on the desired
submenu, use the j button to access
the individual functions within that sub-
menu. Once within that submenu, you can
use the j button to move to the next
function or the k button to move to the
previous function within that submenu.
The settings themselves are made with
button æ or ç.
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