power steering MERCEDES-BENZ E-CLASS SALOON 2015 Owners Manual

You can prevent the intervention of PRE-
SAFE ®
Brak eata ny tim eby:
R depressing the accelerator pedal further
R activatin gkickdown
R releasin gthe brak epedal
The braking action of PRE-SAFE ®
Brak eis
ended automatically if:
R you manoeuvre to avoid the obstacle
R there is no longer arisk of collision
R there is no longer an obstacle detected in
front of your vehicle STEER CONTROL
General notes STEER CONTROL helps you by transmitting a
noticeable steerin gforce to the steering
wheel in the direction required for vehicle
stabilisation.
This steerin gsupport is provided in particular
if:
R both right wheels or both left wheels are on
as lippery road surfac ewhen you brake
heavily
R the vehicle starts to skid
Important safet ynotes i
Observe the "Importan
tsafet ynotes" sec-
tion (Y page 77).
No steerin gsupport is provided by STEER
CONTROL ,if:
R ESP ®
is malfunctioning
R the steerin gisfaulty
Power steerin gwill, however ,continue to
function. Protection against theft
Immobiliser
The immobiliser prevent syour vehicle from
being started without the correc tkey. X
To activat ewith th ekey: remove the key
fro mt he ignition lock.
X To activat ewith KEYLESS-GO: switchthe
ignition off and open the driver's door.
X To deactivate: switchont he ignition.
When leavin gthe vehicle, always tak ethe key
with you and lock the vehicle. Anyone can
star tthe engin eifavalid key has been left
inside the vehicle.
i The immobiliser is always deactivated
when you star tthe engine. ATA (Anti-Theft Alar
msystem) X
To prime: lock the vehicle with the key or
KEYLESS-GO.
Indicator lamp :flashes .The alarm sys-
tem is prime dafter approximately
15 seconds.
X To deactivate: unlockthe vehicle with the
key or KEYLESS-GO.
or X Insert the key int othe ignition lock.
Av isual and audible alarm is triggered if the
alarm system is primed and you open:
R ad oor
R the vehicle with the emergenc ykey ele-
ment
R the boot lid/tailgate
R the bonnet Protection against theft
89Safety Z

Problem
Possible causes/consequences and
M
MSolutions The engine cannot be
started using the key. The on-board voltage is too low.
X Switch off non-essential consumers, e.g. seat heating or interior
lighting, and try to start the engine again.
If this does not work:
X Check the starter battery and charge it if necessary
(Y page 404).
or
X Jump-start the vehicle (Y page 405).
or
X Consult aqualified specialist workshop. Only for vehicles with
manual transmission:
The engine cannot be
started using the key. The steering lock is mechanically blocked.
X Remove the key and reinsert it into the ignition lock. While doing
this, turn the steering wheel in both directions. The engine cannot be
started using KEYLESS-
GO. The key is in the
vehicle. The vehicle is locked.
X Unlock the vehicle and try to start the vehicle again. There is interference from
apowerful source of radio waves.
X Start your vehicle with the key in the ignition lock. Doors
Important safety notes
United Kingdom only: G
WARNING
When the double locks are activated, the
doors can no longer be opened from the
inside. People in the vehicle can no longer get out, e.g. in hazardous situations. There is a
risk of injury.
Therefore, do not leave any people unsuper-
vised in the vehicle, particularly children, eld-
erly people or people in need of special assis-
tance. Do not activate the double lock when
people are in the vehicle.
If the vehicle has been locked from the out-
side, the double lock function is activated as
standard. It is then not possible to open the
doors from inside the vehicle. You can deac- tivate the double lock function by deactivat-
ing the interior motion sensor (Y page 91).
The doors can then be opened from the inside after the vehicle has been locked from the
outside.
The anti-theft alarm system is triggered if thedoor is opened from the inside. Switch off the
alarm (Y page 89).
All countries: G
WARNING
If children are left unsupervised in the vehicle, they could:
R open doors, thereby endangering other per-
sons or road users
R get out and be struck by oncomingt raffic
R operate vehicle equipment and become
trapped, for example 100
DoorsOpening and closing

sufficient room for the pedals. Do not use
loose floormats and do not place several floor- mats on top of one another. G
WARNING
Unsuitable footwear can hinder correct usage of the pedals, e.g.:
R shoes with thick soles
R shoes with high heels
R slippers
There is arisk of an accident.
Wear suitable footwear to ensure correct
usage of the pedals. 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 arisk
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 afire
R lose its hold function.
There is arisk of fire and an accident. Release
the parking brake fully before driving off.
! Do not warm up the engine when the vehi-
cle is stationary. Drive off immediately.
Avoid high engine speeds and driving at full throttle until the engine has reached its
operating temperature.
Only shift the automatic transmission to
the desired drive position when the vehicle is stationary.
Where possible,a void spinning the drive
wheels when pulling awayons lippery
roads. You could otherwise damage the
drive train. !
AMG vehicles:
at low engine oil temper-
atures (below +20 †), the maximum
engine speed is restricted in order to pro-
tect the engine. To protect the engine and
maintain smooth engine operation, avoid
driving at full throttle when the engine is
cold.
HYBRID vehicles :make sure that you read
the "HYBRID" Supplement included in the
vehicle literature. Otherwise, you may not
recognise dangers. Key positions
Key g
To remove the key
1 Power supplyf or some consumers, such
as the windscreen wipers
2 Ignition (power supplyf or all consumers)
and drive position
3 To start the vehicle
i If the key does not belong to the vehicle, it
can still be turned in the ignition lock. How-
ever, the ignition will not be switched on.
The engine cannot be started.
KEYLESS-GO General notes
Vehicles with KEYLESS-GO are equipped with
keys featuring an integrated KEYLESS-GO
function and adetachable Start/Stop button. Driving
179Driving and parking Z

Problem
Possible causes/consequences and
M
MSolutions The key battery is discharged or nearly discharged.
X Unlock the vehicle using the emergency key element
(Y page 96).
X Open the boot lid or the tailgate.
X Manuallyu nlock the fuel filler flap using the emergency release
(Y page 202). The fuel filler flap is unlocked, but the opening mechanism is jam-
med.
X Consult aqualified specialist workshop. Parking
Important safety notes
G
WARNING
Flammable material such as leaves, grass or
twigs may ignite if they come into contact with hot parts of the exhaust system or exhaust
gas flow. There is arisk of fire.
Park the vehicle so that no flammable mate-
rial can come into contact with hot vehicle
components. In particular, do not park on dry grassland or harvested grain fields. 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.Y ou will require considerably
more effort to steer and brake. There is arisk
of an accident.
Do not switch off the ignition while driving. G
WARNING
If you leave children unattended in the vehi-
cle, they may be able to set the vehicle in
motion if, for example, they:
R release the parking brake
R shift the automatic transmission out of park
position Por shift manual transmission into
neutral
R start the engine
In addition, they may operate vehicle equip-
ment and become trapped. There is arisk of
an accident and injury.
When leaving the vehicle, always take the key with you and lock the vehicle. Never leave
children unattended in the vehicle.
! Always secure the vehicle correctly
against rolling away.O therwise, the vehicle
or its drivetrain could be damaged.
To ensure that the vehicle is safeguarded
against rolling away unintentionally:
R the parking brake must be applied
R on vehicles with manual transmission,
engage 1st gear or reverse gear
R on vehicles with automatic transmission,
the transmission must be in position Pand Parking
205Driving and parking Z

Display messages
Possible causes/consequences and
M
MSolutions j
Check trailer Check trailer
hitch lock hitch lock The trailer to
whitch is no tcorrectly engaged.
Aw arnin gtonea lso sounds.
G WARNING
If th eball couplin gisnotengaged, th etrailer may come loose.
There is ariskofana ccident.
X Stop th evehicl eimmediately, payin gattention to roa dand traf-
fic conditions, and switch of fthe engine.
X Apply th eparkin gbrake.
X Engage th etrailer coupling's ball couplin gintheendp osition
(Y page 268). &
inoperative Bat‐ inoperative Bat‐
ter
yl ow
ter yl ow th
eo n-bo ardv oltag eistoolow The auxiliar yheatin ghas switched
itself of forcannotbes witched on (Y page 168).
X Drive fo raconsid erable distance.
The battery charges. The auxiliar yheatin gisoperational again as
soo nast heon-boar delectrica lsystem voltag eissufficient. &
inoperative inoperative
Refuel
Refuel
vehicle
vehicle There is to
olittl efue lint hefuel tank. The auxiliar yheatin gcannot
be switched on (Y page 168).
X Refuel at th eneares tfillin gstation. &
inoperative See inoperative See
Owner'
sMan.
Owner' sMan. The auxiliar
yheatin gistemporarily malfunctionin gorfaulty.
X Whe nthe vehicl eisonal evel surfac eand th eengineh as cooled
down ,makeuptof oura ttempts to switch on th eauxiliar yheat-
ing, waitin gseveral minute sbetween eac hattempt
(Y page 168).
X If th eauxiliar yheatin gdoes no tswitch on ,consu ltaq ualified
specialist workshop. Ð
Power Power
steering
steering mal‐
mal‐
function See Own‐
function See Own‐
er' sM anual
er' sM anual The powe
rsteerin gassistanc eisfaulty.
Aw arnin gtonea lso sounds.
G WARNING
You will need to use mor eforce to steer.
There is ariskofana ccident.
X Chec kwhether you are able to apply th eextra forcerequired.
X If you ar eabletos teer safely: carefully drive on to aqualified
specialist workshop.
X If you ar eunable to steer safely: do notdrive on .Contac tthe
neares tqualified specialist workshop. Display
messages
327On-boardcomputer an ddisplays Z