2013 MERCEDES-BENZ SL-Class Owner's Manual

X
Switch off all electrical consumers (e.g. radio, blower, etc.).
X Ope nthe hood (Y page 512). Position number
0025identifies the charged battery of the other vehicle or an equivalent jump-
starting device.
X Press cover 0002of positive terminal 0003down (in the direction of the arrow) and turn it
clockwise. Cover 0002is held down in the lowered position, which exposes positive
terminal 0003.
X Connect positive terminal 0003on your vehicle to positive terminal 0027of donor battery 0025
using the jumper cable, always begin with positive terminal 0003on your own vehicle first.
X Start the engine of the donor vehicle and run it at idling speed.
X Connect negative terminal 0026of donor battery 0025to ground point 0024of your vehicle using
the jumper cable, connecting the jumper cable to donor battery 0025first.
X Start the engine.
X Before disconnecting the jumper cables, let the engine run for several minutes.
X First, remove the jumper cables from earth point 0024and negative terminal 0026, then from
positive clamp 0003and positive terminal 0027. Begin each time at the contacts on your own
vehicle first.
X After removing the jumper cables, press down cover 0002of positive terminal 0003and turn it
counter-clockwise. Cover 0002returns to its original position. Positive terminal 0003is covered
up and thus insulated again.
X Have the battery checked at a qualified specialist workshop.
i Jump-starting is not considered to be a normal operating condition.
i Jumper cables and further information regarding jump starting can be obtained at any
qualified specialist workshop. Jump-starting
535Breakdown assistance Z

Towing and tow-starting
Important safety notes
G
WARNING
If you tow the vehicle, you must use a rigid
towing ba rif:
R the engine is not running.
R there is a brake system malfunction.
R there is a malfunction in the power supply
or the vehicle's electrical system.
The power assistance for the steering and the
brake force booster do not work when the
engine is not running. You will need more
force to steer and brake, you may have to
depress the brake pedal with maximu mforce.
Before towing away, make sure that the
steering can be moved and is not locked.
If you tow or tow-start another vehicle, its
weight must not exceed the maximum
permissible gross vehicle weight of your
vehicle. G
WARNING
The vehicle is braked when the HOLD function
or DISTRONIC PLUS is activated. Therefore,
deactivate HOLD and DISTRONIC PLUS if the
vehicle is to be towed.
! Only secure the tow rope or tow bar at the
towing eyes. Otherwise, the vehicle could
be damaged.
! Do not use the towing eye for recovery,
this could damage the vehicle. If in doubt,
recover the vehicle with acrane.
! When towing, pull away slowly and
smoothly .Ifthe tractive power is too high,
the vehicles could be damaged.
! Do not tow with sling-type equipment.
This could damage the vehicle.
! When towing vehicles with KEYLESS-GO,
use the key instead of the Start/Stop
button. Otherwise, the automatic
transmission may shift to position Pwhen
the driver's or front-passenger door are opened, which could lead to damage to the
transmission.
! Make sure that the electric parking brake
is released. If the electric parking brake is
faulty, visit a qualified specialist workshop.
! The vehicle can be towed a maximum of
30 miles (50km). The towing speed of
30 mph (50 km/h) must not be exceeded.
If the vehicle has to be towed more than
30 miles (50km), the entire vehicle must be
raised and transported.
! If you tow or tow-start another vehicle, its
weight must not exceed the maximum
permissible gross vehicle weight of your
vehicle.
Information on your vehicle's gross vehicle
weight rating can be found on the vehicle
identification plate (Y page 577).
It is better to have the vehicle transported
than to have it towed.
The automatic transmission must be in
position Nwhen the vehicle is being towed.
The battery must be connected and charged.
Otherwise, you:
R cannot turn the SmartKey to position 2in
the ignition lock
R cannot shift the automatic transmission to
position N
i Deactivate the automatic locking feature
(Y page 235). You could otherwise be
locked out when pushing or towing the
vehicle. Installing/removing the towing eye
Installing the towing eye G
WARNING
The exhaust tail pipe may be hot. You could
burn yourself if you touch the tail pipe. Be
particularly careful when removing the rear
cover. 536
Towing and tow-startingBreakdown assistance

Example: towing eye mounting covers
0002 Front cover
0003 Back cover
The mountings for the screw-i ntowing eyes
are located in the bumpers. They are at the
front and at the rear, behind the covers.
X Remove the towing eye from the vehicle
tool kit (Y page 526).
X Front bumper: insert a finger into the
recess on the bottom edge of cover 0002.
X Pull cover 0002out of the bumper towards
you in the direction of the arrow.
Cover 0002is attached to the opening with a
strap.
X Rear bumper: press the mark on
cover 0003inwards in the direction of the
arrow.
X Take cover 0003off the opening.
X Screw in and tighten the towing eye
clockwise to the stop. Removing the towing eye
Example: towing eye mounting covers
0002
Front cover
0003 Back cover
X Unscrew and remove the towing eye.
X Front bumper: position cover0002on the
opening in the bumper, as shown.
X Twist cover 0002into the opening in the
direction of the arrow.
Cover 0002is now attached at the top edge
of the opening.
X To close, press the lower section of
cover 0002.
X Rear bumper: position cover0003on the
bumper and press until it engages.
X Place the towing eye in the vehicle tool kit
(Y page 526). Towing the vehicle with the rear axle
raised
! The ignition must be switched off if you
are towing the vehicle with the rear axle
raised. Intervention by ESP ®
could
otherwise damage the brake system. Towing and tow-starting
537Breakdown assistance Z

X
Switch on the hazard warning lamps
(Y page 130).
X Turn the SmartKey to position 0in the
ignition lock and remove the SmartKey
from the ignition lock.
X Whe nleaving the vehicle, take the
SmartKey or the KEYLESS-GO key with you.
When towing your vehicle with the rear axle
raised, it is important that you observe the
safety instructions (Y page 536).Towing
avehicle with both axles on
the ground G
WARNING
The power assistance for the steering and the
brake force booster do not work when the
engine is not running. You will then need
much more effort to brake and steer the
vehicle .Adapt your style of driving
accordingly.
The automatic transmission automatically
shifts to position Pwhen you open the driver's
or front-passenger door or when you remove
the SmartKey from the ignition lock.
In order to ensure that the automatic
transmission stays in position Nwhen towing
the vehicle, you must observe the following
points:
X Switch on the hazard warning lamps
(Y page 130).
i In order to signal a change of direction
when towing the vehicle with the hazard
warning lamps switched on, use the
combination switch as usual. In this case,
only the indicator lamps for the direction of
travel flash. When you reset the
combination switch, the hazard warning
flashers start flashing again.
X Make sure that the vehicle is stationary and
the SmartKey in the ignition lock is in
position 0.
X Turn the SmartKey to position 2in the
ignition lock. On vehicles with KEYLESS-GO, use the
SmartKey instead of the Start/Stop button
(Y
page 155).
X Depress and hold the brake pedal.
X Shift the automatic transmission to
position N.
X Release the brake pedal.
X Release the electric parking brake.
X Leave the SmartKey in position 2in the
ignition lock.
It is important that you observe the safety
instructions when towing away your vehicle
(Y page 536). Transporting the vehicle
! Only lash the vehicle down by the wheels
or wheel rims, not by parts of the vehicle
such as axle or steering components.
Otherwise, the vehicle could be damaged.
The towing eye can be used to pull the vehicle
onto a trailer or transporter for transporting
purposes.
X Turn the SmartKey to position 2in the
ignition lock.
X Shift the automatic transmission to
position N.
As soon as the vehicle is loaded:
X Preven tthe vehicle from rolling away by
applying the electric parking brake.
X Shift the automatic transmission to
position P.
X Turn the SmartKey to position 0in the
ignition lock and remove it.
X Secure the vehicle. Tow-starting (emergency engine
starting)
! Vehicles with an automatic transmission
must not be tow-started. You could
otherwise damage the automatic
transmission. 538
Towing and tow-startingBreakdown assistance

You can find information on "Jump-starting"
at (Y page 534). Fuses
Important safety notes
G
WARNING
Only use fuses that have been approved for
Mercedes-Ben zvehicles and that have the
correct fuse rating for the systems
concerned. Do not attempt to repair or bridge
faulty fuses. Using fuses that have not been
approved or attempting to repair or bridge
faulty fuses could cause the fuse to be
overloaded and result in afire. Have the cause
traced and rectified at a qualified specialist
workshop.
! Only use fuses that have been approved
for Mercedes-Ben zvehicles and which
have the correct fuse rating for the system
concerned. Otherwise, components or
systems could be damaged.
The fuses in your vehicle serve to close down
faulty circuits. If afuse blows, all the
components on the circuit and their functions
stop operating.
Blown fuses must be replace dwith fuses of
the same rating, which you can recognize by
the color and value. The fuse ratings are listed
in the fuse allocation chart.
If a newly inserted fuse also blows, have the
cause traced and rectified at a qualified
specialist workshop, e.g. an authorized
Mercedes-Ben zCenter. Before changing a fuse
X Secure the vehicle against rolling away
(Y page 175).
X Switch off all electrical consumers. X
Turn the SmartKey to position 0in the
ignition lock and remove it (Y page 155).
or
X On vehicles with KEYLESS-GO, make sure
the ignition is switched off (Y page 155).
All indicator lamps in the instrument cluster
must be off.
The fuses are located in various fuse boxes:
R Fuse box in the engine compartment on the
right-hand side of the vehicle, when viewed
in the direction of travel
R Dashboard fuse box
R Fuse box in the rear compartment on the
right-hand side of the vehicle, when viewed
in the direction of travel
The fuse allocation chart is located in the
vehicle tool kit in the stowage compartment
under the trunk floor (Y page 526). Dashboard fuse box
! Do not use a pointed objec tsuch as a
screwdriver to open the cover in the
dashboard. You could damage the
dashboard or the cover.
! Make sure that no moisture can ente rthe
fuse box when the cover is open.
! When closing the cover, make sure that it
is lying correctly on the fuse box. Moisture
seeping in or dirt could otherwise impair
the operation of the fuses. Fuses
539Breakdown assistance Z

X
To open: pull cover 0002outwards in the
direction of the arrow and remove it.
X To close: clip in cover 0002at the front of the
dashboard.
X Fold cover 0002inwards until it engages. Fuse box in the engine compartment
! Make sure tha tno moisture can enter the
fuse box when the cover is open.
! When closing the cover, make sure that it
is lying correctly on the fuse box. Moisture
seeping in or dirt could otherwise impair
the operation of the fuses.
X Open the hood. X
Remove any existing moisture from the
fuse box using a dry cloth.
X To open: open clamps 0003.
X Fold cover 0002of the fuse box up in the
direction of the arrow and remove it. X
To close: check whether the seal is seated
correctly in cover 0002.
X Insert both openings 0027at the rear of
cover 0002into the brackets on the fuse box.
The brackets on the fuse box must be
completely visible in the two openings 0027
on the fuse box.
X Fold down cover 0002.
X Hook clamps 0003into the fuse box and
close.
X Close the hood. Fuse box in the rear
! Make sure that no moisture can enter the
fuse box when the cover is open.
! When closing the cover, make sure that it
is lying correctly on the fuse box. Moisture
seeping in or dirt could otherwise impair
the operation of the fuses. The fuse box in the rear is located on the right-hand
side when viewed in the direction of travel.
X To open: open the seat belt guide on the
right-hand seat and remove the seat belt
(Y page 117).
X Move the right-hand front seat as far
forward as possible (Y page 118).
X Insert your fingers at the bottom of front
cover 0002between the cover and floor
covering. 540
FusesBreakdown assistance

X
Remove front cover 0002towards the front
by pulling it in the direction of the arrow.
X Lift off top cover 0003by pulling it in the
direction of the arrow. Fuses
0027are accessible through the two
openings in the top of the fuse box.
X To close: insertthe securing tags
underneath top cover 0003in the recesses at
the top of the fuse box.
X Fold down top cover 0003until it engages
audibly.
X Insert the securing tags underneath top
cover 0002in the recesses at the front of the
fuse box.
X Push front cover 0002towards the rear until
it engages audibly.
X Move the right-hand seat backwards
(Y page 118).
X Hook the seat belt into the seat belt guide
on the right-hand seat (Y page 117). Fuses
541Breakdown assistance Z

542