wheel MERCEDES-BENZ S CLASS 2016 Service Manual

Problems with the steering wheel heating Problem
Possible causes/consequences and P Solutions
The steering wheel heat-
ing has switched off pre-
maturely or cannot be
switched on. The on-board voltage is too low because too many electrical consum-
ers are switched on. X
Switch off electrical consumers that you do not need, such as the
rear window defroster or interior lighting.
EASY-ENTRY/EXIT feature
Important safety notes
G WARNING
When the EASY-ENTRY/EXIT feature adjusts
the steering wheel and the driver's seat, you
and other vehicle occupants – particularly
children – could become trapped. There is a
risk of injury.
While the EASY-ENTRY/EXIT feature is mak-
ing adjustments, make sure that no one has
any body parts in the sweep of the seat and
the steering wheel.
If there is a risk of becoming trapped by R
the steering wheel: move the steering
wheel adjustment lever. R
the seat: press the switch for seat adjust-
ment.
The adjustment process is stopped.
Press one of the memory function position
switches. The adjustment process is stopped.
This function is only available on vehicles with
memory function.
G WARNING
If children activate the EASY-ENTRY/EXIT fea-
ture, they can become trapped, particularly
when unattended. There is a risk of injury.
When leaving the vehicle, always take the
SmartKey with you and lock the vehicle. Never
leave children unsupervised in the vehicle.
G WARNING
If you drive off while the EASY-ENTRY/EXIT
feature is making adjustments, you could lose control of the vehicle. There is a risk of an
accident.
Always wait until the adjustment process is
complete before driving off.
The EASY-ENTRY/EXIT feature makes getting in
and out of your vehicle easier.
You can activate and deactivate the EASY-
ENTRY/EXIT feature using the multimedia sys-
tem (see the separate operating instructions).
Position of the steering wheel and the
driver's seat when the EASY-ENTRY/
EXIT feature is active The steering wheel tilts upwards and the driver's
seat moves backwards if you: R
remove the SmartKey from the ignition lock R
with KEYLESS-GO: open the driver's door;
KEYLESS-GO must be in position 1R
with the SmartKey: open the driver's door;
the SmartKey must be in position 0 or 1 in the
ignition lock ( Y
page 162) R
open the driver's door when the ignition is
switched off
i The steering wheel only tilts upwards and
the driver's seat only moves backwards if the
driving position is stored after seat or steering
wheel adjustment.
The last position of the steering wheel or seat is
stored if: R
the ignition is switched off R
the setting is stored with the memory function
( Y
page 126).
i The steering wheel only moves upwards if it
has not already reached the upper stop. The
driver's seat only moves backwards if it is not
already in the rearmost position.122
Steering wheel
Seats, steering wheel and mirrors

Position of the steering wheel and the
driver's seat for driving The steering wheel and the driver's seat are
moved to the previously set position if: R
the driver's door is closed and you insert the
SmartKey into the ignition lock R
you close the driver's door when the ignition
is switched on R
you press the Start/Stop button once on vehi-
cles with KEYLESS-GO
i The steering wheel and the driver's seat only
return to the last set position when the driving
position is stored after seat or steering wheel
adjustment.
The last position of the steering wheel or seat is
stored if: R
the ignition is switched off R
the setting is stored with the memory function
( Y
page 126).
Crash-responsive EASY-EXIT feature If the crash-responsive EASY-EXIT feature is trig-
gered in an accident, the steering column will
move upwards when the driver's door is opened
or the SmartKey is removed from the ignition
lock. This makes it easier to exit the vehicle and
rescue the occupants.
The crash-responsive EASY-EXIT feature is only
operational if the EASY-EXIT/ENTRY feature is
activated in the multimedia system (see the sep-
arate operating instructions).
Mirrors
Rear-view mirror X
Anti-glare mode: flick anti-glare lever C for-
wards or back.
Exterior mirrors
Important safety notes
G WARNING
You could lose control of your vehicle if you do
the following while driving: R
adjust the driver's seat, head restraint,
steering wheel or mirrors R
fasten the seat belt
There is a risk of an accident.
Adjust the driver's seat, head restraint, steer-
ing wheel and mirror and fasten your seat belt
before starting the engine.
G WARNING
The exterior mirror on the front-passenger
side reduces the size of the image. Visible
objects are actually closer than they appear.
This means that you could misjudge the dis-
tance from road users traveling behind, e.g.
when changing lane. There is a risk of an acci-
dent.
For this reason, always make sure of the
actual distance from the road users traveling
behind by glancing over your shoulder.
Adjusting the exterior mirrors Mirrors 123
Seats, steering wheel and mirrors Z

If you come into contact with the electrolyte,
observe the following: R
Rinse off the electrolyte from your skin
immediately with water. R
Immediately rinse the electrolyte out of
your eyes thoroughly with clean water. R
If the electrolyte is swallowed, immediately
rinse your mouth out thoroughly. Do not
induce vomiting. R
If electrolyte comes into contact with your
skin or hair or is swallowed, seek medical
attention immediately. R
Immediately change out of clothing which
has come into contact with electrolyte. R
If an allergic reaction occurs, seek medical
attention immediately.
The rear-view mirror and the exterior mirror on
the driver's side automatically go into anti-glare
mode if the following conditions are met simul-
taneously: R
the ignition is switched on R
incident light from headlamps strikes the sen-
sor in the rear-view mirror.
The mirrors do not go into anti-glare mode if
reverse gear is engaged or if the interior lighting
is switched on.
Parking position for the exterior mir-
ror on the front-passenger side
Setting and storing the parking position You can position the front-passenger side exte-
rior mirror in such a way that you can see the
rear wheel on that side as soon as you engage
reverse gear. You can store this position. Using reverse gear
C
Memory button MD
Adjustment button

X
Adjust the seat accordingly ( Y
page 106).X
On the driver's side, adjust the steering wheel
( Y
page 120) and the exterior mirrors
( Y
page 123). X
Press memory button M and one of the stor-
age position buttons 1 , 2 or 3 within three
seconds.
The settings are stored in the selected preset
position. A tone sounds when the settings
have been completed.
Calling up a stored setting X
Press and hold the relevant storage position
button 1 , 2 or 3 until the:R
Seat R
Steering wheel R
Exterior mirrors
are in the stored position.
i If you release the storage position button,
the seat, steering wheel and mirror setting
functions stop immediately. The multicontour
seat setting or the 4-way lumbar support is
still carried out.
Memory function in the rear compart-
ment
Important safety notes
G WARNING
When the memory function adjusts the seat or
steering wheel, you and other vehicle occu-
pants – particularly children – could become
trapped. There is a risk of injury.
While the memory function is making adjust-
ments, make sure that no one has any body
parts in the sweep of the seat or steering
wheel. If somebody becomes trapped, imme-
diately release the memory function position
button. The adjustment process is stopped.
G WARNING
Children could become trapped if they acti-
vate the memory function, particularly when
unattended. There is a risk of injury. When leaving the vehicle, always take the
SmartKey with you and lock the vehicle. Never
leave children unsupervised in the vehicle.
General notes The settings for the rear seat and the front-
passenger seat can be stored using the rear-
compartment memory function. R
If the indicator lamp in the

Problems with the perfume atomizer Problem
Possible causes/consequences and P Solutions
The vehicle interior is not
perfumed although the
perfume atomizer is acti-
vated. The perfume vial has not been pushed into the holder as far as it will
go. X
Slide the perfume vial into the holder as far as it will go.
The perfume vial is not filled sufficiently. X
Pre-filled vials: dispose of the empty vial.X
Use a new pre-filled vial. X
Refillable vials: fill the perfume vial with a maximum of 0.5 fl. oz.
(15 ml) of the same perfume.
The perfume atomizer is faulty. X
Have the perfume atomizer checked at a qualified specialist work-
shop.
Ionization You can use the "Ionization" function to purify
the air in the vehicle interior and attain an
improved interior climate.
The ionization of the interior air is odorless and
cannot be perceived directly in the vehicle inte-
rior.
You can switch ionization on or off using the
multimedia system (see the separate operating
instructions).
Ionization can only be switched on if the front
climate control system is activated. The side air
vent on the driver's side must be open.
Pre-entry climate control via Smart-
Key
General notes The "Pre-entry climate control via SmartKey"
function is only available in PLUG-IN HYBRID
vehicles.
Before getting in, the driver's seat area or the
whole interior can be briefly warmed or ventila-
ted in advance with the air from the air vents
being pre-cooled.
The high-voltage battery must be sufficiently
charged before "Pre-entry climate control via
SmartKey" can be activated. When the vehicle is pre-cooled, the following
functions are activated if required: R
Climate control system R
Blower R
Seat ventilation
When the vehicle is pre-heated, the following
functions are activated if required: R
Climate control system R
Blower R
Seat heating R
Steering wheel heating R
Exterior mirror heating R
Rear window defroster
If you have activated the following functions
using the multimedia system, they are activated
together with the "Pre-entry climate control via
SmartKey" function: R
Armrest heating R
Perfume atomizer R
Ionization
Activating the perfume atomizer or ionization
(see separate operating instructions).
Activating or deactivating "Pre-entry
climate control via SmartKey"
Before "Pre-entry climate control via SmartKey"
can be activated, you must activate the function
via the multimedia system (see separate oper-
ating instructions).Operating the climate control systems 155
Climate control Z

Problems with "Pre-entry climate control via SmartKey" Problem
Possible causes/consequences and P Solutions
"Pre-entry climate con-
trol via SmartKey" can-
not be switched on or
has switched itself off. The condition of charge of the high-voltage battery is under the speci-
fied minimum condition of charge. X
Start the engine when the vehicle is at a standstill.
The engine powers the electric motor. The electric motor operates
as a generator. The high-voltage battery is being charged.
Further information on charging the high-voltage battery via: R
a mains socket ( Y
page 183)R
a charging station ( Y
page 186)R
a wallbox ( Y
page 185)
"Pre-entry climate control via SmartKey" has been started more than
twice with the engine switched off. X
Switch on the engine and let it run for more than ten seconds. X
Try again to switch on "Pre-entry climate control via SmartKey".
Pre-entry climate control at time of
departure
Important safety notes
G WARNING
If persons, particularly children are subjected
to prolonged exposure to extreme heat or
cold, there is a risk of injury, possibly even
fatal. Never leave children unattended in the
vehicle.
General notes The "Pre-entry climate control at departure
time" function is only available in PLUG-IN
HYBRID vehicles.
You can use the "Pre-entry climate control at
departure time" function to cool or heat the
vehicle interior if the engine is not running.
The "Pre-entry climate control at departure
time" function can be activated regardless of
whether or not the vehicle is connected to an
electric power supply. The condition of charge of
the high-voltage battery must be higher than the
specified minimum condition of charge, how-
ever.
When the vehicle is connected to an electric
power supply, priority is given to charging the
high-voltage battery to the specified minimum charge. "Pre-entry climate control at departure
time" is only activated subsequently.
The running time of the "Pre-entry climate con-
trol at departure time" function may be reduced
if: R
the vehicle is not connected to an electric
power supply and R
the high-voltage battery is not fully charged
With active "Pre-entry climate control at depar-
ture time" the condition of charge of the high-
voltage battery can be reduced, even if the
charge cable connector is connected.
When the vehicle is cooled, the following func-
tions are activated if required: R
Climate control system R
Blower R
Seat ventilation
When the vehicle is heated, the following func-
tions are activated if required: R
Climate control system R
Blower R
Seat heating R
Steering wheel heating R
Armrest heating R
Exterior mirror heating R
Rear window defroster
If you have switched on the perfume atomizer or
the ionization using the multimedia system,Operating the climate control systems 157
Climate control Z

these will be activated together with the "Pre-
entry climate control at departure time".
Activating the perfume atomizer or ionization
(see separate operating instructions).
Setting the departure time You can set the departure time using the on-
board computer or via the My Mercedes Electric
– Vehicle Homepage. The activation of the "Pre-
entry climate control at departure time" func-
tion can be linked to this departure time. Your
vehicle will then be cooled or heated until the
desired temperature is reached in time for the
set departure time. "Pre-entry climate control at
departure time" will be activated a maximum of
55 minutes before departure. If the departure is
delayed, the vehicle will be heated or cooled for
another five minutes. X
To set the departure time: set the departure
time using the on-board computer
( Y
page 272). Set the departure time via the
My Mercedes Electric – Vehicle Homepage
( Y
page 189).X
To activate or deactivate "Pre-entry cli-
mate control at departure time": activate
or deactivate "Pre-entry climate control at
departure time" via the multimedia system
(see the separate operating instructions).
Activate or deactivate "Pre-entry climate con-
trol at departure time" via the My Mercedes
Electric – Vehicle Homepage ( Y
page 189).
When activating the "Pre-entry climate control
at departure time" function: you can select
w h ether only the driver's area or the whole vehi-
cle interior should be heated or cooled.
The "Pre-entry climate control at departure
time" function switches off automatically when
the vehicle is started. The following functions
remain active: R
Seat heating R
Seat ventilation R
Armrest heating R
Steering wheel heating R
Perfume atomizer R
Ionization
Switching off "Pre-entry climate control at
departure time": the activated "Pre-entry cli-
mate control at departure time" can be switched
off using the rocker switch ( Y
page 158). Activating or deactivating "Immediate
pre-entry climate control" using the
rocker switch You can activate "Immediate pre-entry climate
control" even if the vehicle interior is already at
the desired temperature. This means that the
vehicle interior continues to be cooled or
heated, e.g. if the journey is interrupted for up to
50 minutes, and the interior temperature is kept
constant.
X
To activate or deactivate "Immediate pre-
entry climate control": press rocker
switch C up or down.
The blue or red indicator lamp on the rocker
switch lights up or goes out.
The colors of the indicator lamps on rocker
switch C have the following meanings: R
blue: cooling activated R
red: heating activated R
yellow: departure time is preselected
Setting the air vents
Important safety notes
G WARNING
Very hot or very cold air can flow from the air
vents. This could result in burns or frostbite in
the immediate vicinity of the air vents. There
is a risk of injury.
Make sure that all vehicle occupants always
maintain a sufficient distance to the air out-
lets. If necessary, redirect the airflow to
another area of the vehicle interior.158
Setting the air vents
Climate control

G WARNING
If you switch off the ignition while driving,
safety-relevant functions are only available
with limitations, or not at all. This could affect,
for example, the power steering and the brake
boosting effect. You will require considerably
more effort to steer and brake. There is a risk
of an accident.
Do not switch off the ignition while driving.
G WARNING
If the parking brake has not been fully
released when driving, the parking brake can: R
overheat and cause a fire R
lose its hold function.
There is a risk of fire and an accident. Release
the parking brake fully before driving off.
! Do not warm up the engine with the vehicle
stationary. Drive off immediately. Avoid high
engine speeds and driving at full throttle until
the engine has reached its operating temper-
ature.
Only shift the automatic transmission to the
desired drive position when the vehicle is sta-
tionary.
Where possible, avoid spinning the drive
wheels when pulling away on slippery roads.
You could otherwise damage the drive train.
! Mercedes-AMG vehicles: at low engine oil
temperatures below 68 ‡ (+20 †), the max-
imum engine speed is restricted in order to
protect the engine. To protect the engine and
maintain smooth engine operation, avoid driv-
ing at full throttle when the engine is cold.
Observe the important safety notes for PLUG-IN
HYBRID vehicles ( Y
page 42). SmartKey positions
SmartKey
Z
To remove the SmartKey G
Power supply for some consumers, such as
the windshield wipers H
Ignition (power supply for all consumers)
and drive position I
To start the engine
The SmartKey can be turned in the ignition lock
even if it is not the correct SmartKey for the
vehicle. The ignition is not switched on. The
engine cannot be started.
Start/Stop button
General notes All vehicles are equipped with a removable
Start/Stop button.
The Start/Stop button must be inserted in the
ignition lock and the Smartkey must be in the
vehicle.
When you insert the Start/Stop button into the
ignition lock, the system needs approximately
two seconds recognition time. You can then use
the Start/Stop button.
Pressing the Start/Stop button several times in
succession corresponds to the different key
positions in the ignition lock. This is only the
case if you are not depressing the brake pedal.
If you depress the brake pedal and press the
Start/Stop button, the engine starts immedi-
ately.
A check which periodically establishes a radio
connection between the vehicle and the Smart-
Key determines whether a valid SmartKey is in
the vehicle. This occurs, for example, when
starting the engine.162
Driving
Driving and parking

You can also activate manual drive program M
using the steering wheel paddle shifters
( Y
page 174). In manual drive program M , you
can briefly change gear yourself by using the
steering wheel paddle shifters.
Mercedes-AMG vehicles
C Controlled
Efficiency Comfortable, economical
driving
S Sport Sporty driving style
M Manual Manual gear shifting
Permanent drive program M is only available for
Mercedes-AMG vehicles.
Further information about permanent drive pro-
gram M ( Y
page 175).
You can also activate manual drive program M
using the steering wheel paddle shifters
( Y
page 174). In manual drive program M , you
can briefly change gear yourself by using the
steering wheel paddle shifters.
For further information on the automatic drive
program, see ( Y
page 174).
Steering wheel paddle shifters
You can activate manual drive program M in the
E ( C in AMG vehicles) and S automatic drive
programs using steering wheel paddle shift-
ers C and D ( Y
page 174). In manual drive
program M , you can briefly change gear yourself
by using the steering wheel paddle shifters.
Mercedes-AMG vehicles: you can also activate
manual drive program M with the program
selector button ( Y
page 175). In manual drive
program M , you can permanently change gear
yourself by using the steering wheel paddle
shifters. Automatic drive program
Automatic drive program E Drive program E (drive program C on Mercedes-
AMG vehicles) is characterized by the following: R
comfort-oriented engine settings. R
optimal fuel consumption resulting from the
automatic transmission shifting up sooner. R
the vehicle pulling away more gently in
forward and reverse gears, unless the accel-
erator pedal is depressed fully. R
the vehicle having improved driving stability,
for example on slippery road surfaces. R
the automatic transmission shifting up
sooner. This results in the vehicle being driven
at lower engine speeds and the wheels being
less likely to spin.
Automatic drive program S Drive program S is characterized by the follow-
ing: R
sporty engine settings. R
the vehicle pulling away in first gear. R
the automatic transmission shifting up later.
the fuel consumption possibly being higher as
a result of the later automatic transmission
shift points.
Manual drive program M
General notes In this drive program, you can briefly change
gear yourself by using the steering wheel paddle
shifters. The transmission must be in position D .
You can activate manual drive program M in the
E ( C in Mercedes-AMG vehicles) and S auto-
matic drive programs.
Mercedes-AMG vehicles: as well as temporary
drive program M , you can also activate perma-
nent drive program M . Further information
about permanent drive program M
( Y
page 175).
Activating X
Shift the transmission to position D .X
Pull the left or right steering wheel paddle
shifter ( Y
page 174).
Manual drive program M is temporarily acti-
vated.174
Automatic transmission
Driving and parking

All vehicles (except Mercedes-AMG vehi-
cles: )M and the selected gear appear in the
multifunction display.
Further information on activating manual drive
program M on PLUG-IN HYBRID vehicles
( Y
page 250).
Shifting gears If you pull on the left or right steering wheel
paddle shifter, the automatic transmission
switches to manual drive program M for a limi-
ted amount of time. Depending on which paddle
shifter is pulled, the automatic transmission
immediately shifts into the next gear down or
up, if permitted. X
To shift up: pull the right-hand steering wheel
paddle shifter ( Y
page 174).
The automatic transmission shifts up to the
next gear.
If the maximum engine speed on the currently
engaged gear is reached and you continue to
accelerate, the automatic transmission auto-
matically shifts up in order to prevent engine
damage.
Mercedes-AMG vehicles: the automatic
transmission will not shift up to the next gear
when the engine speed is very low. X
To shift down: pull on the left-hand steering
wheel paddle shifter ( Y
page 174).
The automatic transmission shifts down to
the next gear.
If the engine exceeds the maximum engine
speed when shifting down, the automatic
transmission protects against engine damage
by not shifting down.
Automatic down shifting occurs when coast-
ing.
Shift recommendation The gearshift recommendations assist you in
adopting an economical driving style. The rec-
ommended gear is shown in the multifunction
display. X
Shift to recommended gear D according to
gearshift recommendation C when shown in
the multifunction display of the instrument
cluster.
Deactivating If you have activated manual drive program M , it
will remain active for a certain amount of time.
Under certain conditions the minimum amount
of time is extended, e.g. in the case of lateral
acceleration, during an overrun phase or when
driving on steep terrain.
If manual drive program M has been deactiva-
ted, the automatic transmission shifts into the
automatic drive program that was last selected.
You can also deactivate manual drive program
M yourself: X
Pull on the right-hand steering wheel paddle
shifter and hold it in place ( Y
page 174).
or X
Use the DIRECT SELECT lever to switch the
transmission position.
or X
Use the program selector button to change
the drive program ( Y
page 173).
Manual drive program M is deactivated. The
automatic transmission switches to the pre-
viously activated drive program E (drive pro-
gram C on Mercedes-AMG vehicles) or S .
Manual drive program (Mercedes-
AMG vehicles)
General information In this drive program, you can permanently
change gear yourself by using the steering
wheel paddle shifters. The transmission must be
in position D .
Manual drive program M is different from drive
program S with regard to spontaneity, respon-
siveness and smoothness of gear changes.
As well as this permanent drive program M , you
can also activate temporary drive program
M ( Y
page 174).Automatic transmission 175
Driving and parking Z