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Driving systems
185
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
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.
Vehicles with automatic transmission:
In addition, on longer downhill grades the
automatic transmission will automatically
downshift.
i
Vehicles with manual transmission:
If you depress the clutch pedal when shift-
ing into another gear, the engine speed may
increase.
R
Always drive with sufficient, but not
excessive, engine speed.
R
Shift the gear in a timely manner.
R
Avoid shifting down more than one gear
if at all possible.
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
R
you depress the brake pedal.
R
you engage the parking brake.
R
the vehicle speed falls below 20 mph
(30 km/h).
R
the ESP
®
is in operation.
R
the ESP
®
is switched off with the ESP
®
switch.
R
the ESP
®
has switched off due to a mal-
function.
R
Vehicles with manual transmission: you
engage neutral or depress the clutch pedal
for more than 7 seconds during shifting into
another gear.
R
Vehicles with automatic transmission: you
shift the automatic transmission into neu-
tral position N while driving.
Depressing the accelerator pedal does not
deactivate the cruise control. After a brief
acceleration (e.g. for passing), the cruise con-
trol will resume the last set speed.
Controls in detail