Mercedes-Benz M-Class 2009 Owners Manual - Manual (Page 171)

Driving systems
169
time you lift or depress the cruise control
lever past the resistance point.
Increase set speed:
X Briefly lift the cruise control lever up past
the resistance point in direction of arrow
1 .
X Release the cruise control lever.
The vehicle speed increases in increments
of 5 mph (Canada: 10 km/h).
Reduce set speed:
X Briefly press the cruise control lever down
past the resistance point in direction of
arrow
2 .
X Release the cruise control lever.
The vehicle speed decreases in increments
of 5 mph (Canada: 10 km/h).
Each time the set speed is changed, DSR
will appear in the multifunction display and
the changed set speed is shown.
The new speed is set and the vehicle will
accelerate or decelerate. Keep in mind that
it may take a brief moment until the vehicle
has reached the new set speed.
The set speed is canceled when the DSR is
switched off. If the DSR is switched on again,
the DSR will use the programmed default
speed (
Y page 159).
Off-road driving program
The off-road driving program is designed to
assist the driver when driving off-road in
terrain and crossing water. The off-road
driving program adjusts the engine power and
shifting of the automatic transmission to be
more suitable for the off-road use of the
vehicle. In addition, the ABS, ESP
® , and 4-ETS
designed for off-road use are automatically
activated.
In the following situations you should switch
to the off-road driving program:
R during off-road driving
R when crossing water ( Y page 279)
R when towing up or down on steep gradients
1 Switch for off-road driving program
2 Indicator lamp
Switching off-road driving program on
X Press switch 1 .
Indicator lamp 2 comes on. The symbol
y appears in the lower multifunction
display.
Controls in detail
Z