Fuse and its function MERCEDES-BENZ S550 2007 W221 Owner's Manual

392 Controls in detailDriving systemsStarting off
When the vehicle in front of you starts off:
Remove your foot from the brake
pedal.

Pull DISTRONIC Plus lever briefly in di-
rection of arrow4.
or

Briefly step on the accelerator pedal.
Your vehicle starts off and adapts its speed
to the vehicle in front of you.
Driving
If no vehicle is driving ahead of you, DIS-
TRONIC Plus functions like cruise control
(
page 380).
When DISTRONIC Plus detects that the ve-
hicle in front of you is driving more slowly,
it brakes the vehicle in order to keep the
distance specified by you.
When DISTRONIC Plus detects that the ve-
hicle in front of you is driving faster, the ve-
hicle accelerates up to the set speed.Stopping
When DISTRONIC Plus detects that the ve-
hicle in front of you is stopping, the vehicle
brakes until it also stops.
Warning!
G
When you step on the brake pedal, you
switch off DISTRONIC Plus except when the
vehicle is at a standstill. DISTRONIC Plus will
no longer brake your vehicle. You are always
responsible for maintaining a distance from
other vehicles, observing road speeds and
braking well in advance.Warning!
G
DISTRONIC Plus’s braking effect is canceled
and the vehicle can start to roll if

DISTRONIC Plus is switched off using
the DISTRONIC Plus lever


you accelerate


the system or the power supply is mal-
functioning, e.g. due to battery failure


the electrical components in the engine
compartment or the fuses have been
manipulated


the battery is disconnected
Warning!
G
Never get out of the vehicle while DISTRON-
IC Plus is switched on!
DISTRONIC Plus must never be operated or
switched off by passengers or from outside
the vehicle.
DISTRONIC Plus is not a substitute for the
electric parking brake and may not be used
for parking.
When you get out of the vehicle or switch off
the engine, deactivate DISTRONIC Plus and
secure the vehicle from rolling away by en-
gaging the electric parking brake.

645 Practical hintsFuses
Fuses
The electrical fuses in your vehicle serve to
switch off malfunctioning power circuits.
If a fuse is blown, the component(s) and
systems secured by that fuse will stop op-
erating.
The following aids are available to help you
replace fuses (
page 646):


Fuse chart


Spare fuses


Special fuse extractorThe electrical fuses are located in different
fuse boxes:


In the dashboard on the passenger side
(page 647)


In the dashboard on the driver’s side
(page 647)


Behind the rear center armrest
(page 647)


In the engine compartment on the driv-
er’s side (
page 646)


In the engine compartment on the pas-
senger side (
page 647)
i
Blown fuses must be replaced by like fuses
(recognizable by the color and amperage) with
the amperage recommended in the fuse alloca-
tion chart. A Mercedes-Benz Center will be hap-
py to advise you.
Only change fuses while the vehicle is parked.
First switch off all electrical consumers and turn
off the ignition.
Warning!
G
Only use fuses approved by Mercedes-Benz
with the specified amperage for the system
in question. Using other fuses may cause an
overload leading to a fire, and/or cause
damage to electrical components and/or
systems.!
Keep the fuse boxes free by contamination
and wetness. Otherwise, electrical parts or sys-
tems could be damaged.
!
Never attempt to repair or bridge a blown
fuse. Have the cause determined and remedied
by an authorized Mercedes-Benz Center.
!
Switch off the vehicle’s internal electrical
functions (
page 637) when you are working on
the fuses.