Mercedes-Benz 2008 R 320 CDI 4MATIC Operator's Manual page 269

Controls in detail
Driving systems
1 Setting current or higher speed
Adjustment in 1 mph increments (to
the resistance point) or 5 mph
increments (past the resistance point)
(Canada: 1 km/h or 10 km/h)
2 Setting current or lower speed
Adjustment in 1 mph increments (to
the resistance point) or 5 mph
increments (past the resistance point)
(Canada: 1 km/h or 10 km/h)
3 Deactivating Distronic
4 Activating Distronic or resuming to last
set speed
268
Activating Distronic
You can activate Distronic when the vehi-
cle speed is between 20 mph (30 km/h)
and 110 mph (180 km/h).
When Distronic is activated the standard
display in the multifunction display will
show a message such as
DISTRONIC 55 MPH .
If Distronic has not been activated after
pressing the cruise control lever, you will
see the message DISTRONIC Off
multifunction display.
In the following cases you cannot activate
Distronic:
up to 2 minutes after starting the
engine
when you brake
when you have set the parking brake
when the automatic transmission is set
to position P, R, or N
®
if the ESP is switched off
®
if the ESP has switched off due to a
malfunction
Setting the current speed
Accelerate or decelerate to the desired
speed.
Briefly lift the cruise control lever in
in the
direction of arrow 1 or depress in
direction of arrow 2 ( page 268).
Distronic is activated and the current
speed is set.
The currently set speed appears in the
status indicator of the multifunction
display.
Remove your foot from the accelerator
pedal.