Mercedes-Benz 2009 CLS 550, Operator'S Manual

Page: 145 / 356

Driving systems
143
G
Warning!
The cruise control brakes automatically so
that the set speed is not exceeded.
Keep in mind that the cruise control is a
convenience system designed to assist the
driver during vehicle operation. The driver
is and must always remain responsible for
the vehicle’s speed and for safe brake oper-
ation.
1
Setting current or higher speed
2
Setting current or lower speed
3
Canceling the cruise control
4
Activating the cruise control or resuming
to last set speed
Activating cruise control
You can activate the cruise control at vehicle
speeds above 20 mph (30 km/h).
You cannot activate the cruise control:
R
when you brake
R
when you have engaged the parking brake
R
when the automatic transmission is in park
position
P, reverse gear R, or neutral posi-
tion N
R
the ESP
®
is switched off or has switched off
due to a malfunction
The vehicle speed displayed in the speedom-
eter can briefly vary from the speed setting
for the cruise control system.
Setting current speed
X
Accelerate or decelerate to the desired
speed.
X
Briefly lift the cruise control lever in direc-
tion of arrow
1
or depress in direction of
arrow
2
.
X
Remove your foot from the accelerator
pedal.
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 lon-
ger downhill grades the automatic trans-
mission will automatically downshift.
Canceling cruise control
X
Depress the brake pedal.
or
X
Briefly push the cruise control lever in
direction of arrow
3
.
The last set speed is stored for later use.
The last stored set speed is canceled when
the engine is turned off.
The cruise control switches off automatically
when you depress the brake pedal or you
engage the parking brake. In this case, the
cruise control speed segments in the multi-
function display will go out.
The cruise control also switches off automat-
ically when
R
the vehicle speed falls below 20 mph
(30 km/h)
R
the ESP
®
is in operation
Controls in detail
Z