Mercedes-Benz S 450 4MATIC Operator's Manual page 463

Controls in detail
Driving systems
The vehicle speed increases in incre-
ments of 5 mph (Canada: 10 km/h).
i
The new speed is set and the vehicle will ac-
celerate. Keep in mind that it may take a brief
moment until the vehicle has reached the set
speed.
Setting a lower speed
Warning!
If you decrease the set speed, keep in mind
that it may take a brief moment until the ve-
hicle has reached the set speed.
Decelerate the set speed to a value that the
prevailing road conditions and legal speed
limits permit. Otherwise, sudden and unex-
pected deceleration of the vehicle could
cause an accident and/or serious injury to
you and others.
You can reduce the speed in two stages.
462
i
When you use the DISTRONIC Plus lever to
decelerate, the brake system will automatically
brake the vehicle if the engine's braking power
does not brake the vehicle sufficiently.
Adjustment in 1 mph (Canada: 1 km/h)
increments
i
The set value is decreased in 1 mph
(Canada: 1 km/h) increments each time you
G press the DISTRONIC Plus lever down to the re-
sistance point.
Briefly press the DISTRONIC Plus lever
down to the resistance point in direc-
tion of arrow 2 ( page 457).
Release the DISTRONIC Plus lever.
The vehicle speed decreases in incre-
ments of 1 mph (Canada: 1 km/h).
Adjustment in 5 mph
(Canada: 10 km/h) increments
Warning!
You can decrease the vehicle speed in
5 mph (Canada: 10 km/h) increments.
When using this feature, keep in mind that it
may take a brief moment until the vehicle
has reached the set speed.
Decelerate the vehicle speed to a value that
the prevailing road conditions. Otherwise,
sudden and unexpected deceleration of the
vehicle could cause an accident and/or se-
rious injury to you and others.
G