Mercedes-Benz SLK Operator's Manual page 166

Driving systems
164
traffic because conditions do not allow safe
driving at a constant speed.
The use of the cruise control can be
R
dangerous on slippery roads. Rapid
changes in tire traction can result in wheel
spin and loss of control.
Deactivate the cruise control when driving
R
in fog.
The "Resume" function should only be
operated if the driver is fully aware of the
previously set speed and wishes to resume
this particular preset speed.
G
WARNING
The cruise control brakes automatically so
that the set speed is not exceeded.
General notes
Cruise control maintains a constant road
speed for you. It brakes automatically in order
to avoid exceeding the set speed. On long and
steep downhill gradients, especially if the
vehicle is laden, you must select shift range
1, 2 or 3 in good time (
so, you will make use of the braking effect of
the engine, which relieves the load on the
brake system and prevents the brakes from
overheating and wearing too quickly.
Use cruise control only if road and traffic
conditions make it appropriate to maintain a
steady speed for a prolonged period. You can
store any road speed above 20 mph
(30 km/h).
page 149). By doing
Y
Cruise control lever
Cruise control lever
To store the current speed or a higher
:
speed
To store the current speed or calling up
;
the last stored speed
To store the current speed or a lower
=
speed
To deactivate cruise control
?
When you activate cruise control, the stored
speed is shown in the status indicator of the
multifunction display:
USA only: e.g. CRUISE 55 Miles
R
Canada only: e.g. ¯90 Km/h
R
Storing, maintaining and calling up a
speed
Storing and maintaining a speed
Accelerate the vehicle to the desired
X
speed.
Briefly press the cruise control lever
X
up : or down ?.
Remove your foot from the accelerator
X
pedal.
Cruise control is activated. The vehicle
automatically maintains the stored speed.
You can store the current speed if you are
driving faster than 20 mph (30km/h).
i
Cruise control may be unable to maintain
the stored speed on uphill gradients. The
stored speed is resumed when the gradient
evens out. Cruise control maintains the