Mercedes-Benz M-Class Owner's Manual page 176

vehicle is laden or towing a trailer, you must
select shift range 1, 2 or 3 in good time. By
doing so, you will make use of the braking
effect of the engine. This relieves the load on
the brake system and prevents the brakes
from overheating and wearing too quickly. If
you need additional braking, depress the
brake pedal repeatedly rather than continu-
ously.
You can set a variable or permanent limit
speed:
variable for speed limits, e.g. in built-up
R
areas
permanent for long-term speed restric-
R
tions, e.g. when driving with winter tyres
fitted ( page 174)
Y
i
The speed indicated in the speedometer
may differ slightly from the limit speed
stored.
Variable SPEEDTRONIC
Cruise control lever
To activate or increase speed
:
LIM indicator lamp
;
To activate at the current speed/last
=
stored speed
To activate or reduce speed
?
To switch between cruise control and var-
A
iable SPEEDTRONIC
To deactivate variable SPEEDTRONIC
B
With the cruise control lever, you can operate
cruise control or DISTRONIC PLUS and vari-
able SPEEDTRONIC.
To switch between variable SPEED-
X
TRONIC and cruise control/DISTRONIC
PLUS: press the cruise control lever in the
direction of arrow A.
LIM indicator lamp ; on the cruise control
lever indicates which function you have selec-
ted:
LIM indicator lamp ; off: cruise control
R
or DISTRONIC PLUS is selected.
LIM indicator lamp ; on: variable
R
SPEEDTRONIC is selected.
You can use the cruise control lever to limit
the speed to any speed above 30 km/h while
the engine is running.
Activating variable SPEEDTRONIC
You can use the cruise control lever to limit
the speed to any speed above 30 km/h while
the engine is running.
Briefly press the cruise control lever
X
up : or down ?.
The current speed is stored and shown in
the multifunction display.
The segments in the multifunction display
light up from the start of the scale up to the
stored speed.
Activating at the current speed/last
stored speed
G
WARNING
Only select a stored speed if you know what
that speed is and whether it is suitable for the
current driving and traffic situation. Other-
wise, sudden braking could endanger you or
others.
Briefly pull the cruise control lever towards
X
you =.
Setting a speed
Press the cruise control lever up : for a
X
higher speed or down ? for a lower speed.
Keep the cruise control lever pressed until
X
the desired speed is reached.
Driving systems
173
Z