Mercedes-Benz S 450 4MATIC Operator's Manual page 449

Controls in detail
Driving systems
The current speed is set.
Remove your foot from the accelerator
pedal.
The cruise control is activated.
The last set speed appears in the
multifunction display for approxi-
mately 5 seconds.
The corresponding speedometer
segments from the selected speed
to the vehicle maximum speed in
the multifunction display are illumi-
nated.
The set speed is shown by a triangle
in the speedometer.
i
On uphill grades, the cruise control may not
be able to maintain the set speed. Once the
grade eases, the set speed will be resumed.
On downhill grades, the cruise control maintains
the set speed by braking with the vehicle's brake
system. In addition, on longer downhill grades
the automatic transmission will downshift auto-
matically.
448
Canceling cruise control
There are several ways to cancel the cruise
control:
Step on the brake pedal.
The cruise control is canceled. The last
speed set is stored for later use.
or
Briefly push the cruise control lever in
direction of arrow 3.
The cruise control is canceled. The last
speed set is stored for later use.
i
The last stored set speed is deleted when
the engine is turned off.
i
The cruise control switches off automatical-
ly when
you step on the brake pedal
the vehicle is secured with the electronic
parking brake
In this case the segments in the multifunc-
tion display go out and no warning sounds.
the vehicle speed is below 20 mph
(30 km/h)
®
the ESP is in operation or switched off with
®
the ESP switch ( page 74)
you set the automatic transmission to neu-
tral position N while driving
The segments in the multifunction display go out,
An acoustic warning sounds and the message
"Cruise Control Off" appears in the multifunction
display for approximately 5 seconds.
!
Setting the automatic transmission to neu-
tral position N while driving cancels the cruise
control. However, the automatic transmission
should not be set to neutral position N while driv-
ing except to coast when the vehicle is in danger
of skidding (e.g. on icy roads).