If the on-board voltage is too low, the seat heat-
ing willeither switch itself off prematurely or not
come on at all .Inthis case, too many electrical
consumers are switched on or the battery
charge is not sufficient. The seat heating will
automatically switch back to the current heating
level when enough on-board voltage is available
again.
Steering wheel
GWARNING
You could lose control of you rvehicle if you do
the following whil edriving:
Radjust the driver's seat, head restraint,
steering wheel or mirrors
Rfasten the seat belt
There is arisk of an accident.
Adjust the driver's seat, head restraint, steer-
ing wheel and mirror and fasten you rseat belt
before starting the engine.
GWARNING
If the steering wheel is unlocked whil ethe
vehicle is in motion, it could change position
unexpectedly .This could cause you to lose
control of the vehicle.T here isarisk of an
accident.
Before starting off, make sure the steering
wheel is locked. Never unlock the steering
wheel whil ethe vehicle is in motion.
GWARNING
Children could injure themselves if they
adjust the steering wheel .There is arisk of
injury.
When leaving the vehicle,a lways take the
SmartKey with you and lock the vehicle.N ever
leave childrenu nsupervised in the vehicle.
The steering wheel can still be adjusted if the
key has been removed.
Adjusting the steering wheel
:
Steering column height
;Lever
XTo adjust the steering wheel: pulllever ;
up and hold it.
The steering wheel is unlocked.
XMove the steering wheel to the desiredp osi-
tion.
XLet go of lever ;.
The steering wheel engages and is locked
again.
Mirrors
Important safety notes
GWARNING
You could lose control of you rvehicle if you do
the following whil edriving:
Radjust the driver's seat, head restraint,
steering wheel or mirrors
Rfasten the seat belt
There is arisk of an accident.
Adjust the driver's seat, head restraint, steer-
ing wheel and mirror and fasten you rseat belt
before starting the engine.
GWARNING
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 arisk of an acci-
dent.
90Mirrors
Seats, steerin gwheel and mirrors
Problems with the transmission
ProblemPossible causes/consequences andMSolutions
The transmission is
locked in positionP.The vehicle electronics are malfunctioning.
XHave the vehicle electronics checked immediately at aqualified
specialist workshop.
The acceleration charac-
teristicsh ave deteriora-
ted noticeably.
The transmission does
not shift.The transmission is in emergency mode.
It is only possible to shift into second gear or reverse gear R.
XStop the vehicle.
XDepress the brake pedal.
XMove the selector lever to positionP.
XSwitch off the engine.
XWait at least 10 seconds before restarting the engine.
XDepress the brake pedal.
XMove the selector lever to positionDor R.
In position D,the transmission shifts into second gear; in position R,
the transmission shifts into reverse gear.
XHave the transmission checked immediately at aqualified specialist
workshop.
Refueling
Important safety notes
GWARNING
Fuel is highly flammable. Improper handling of
fuel creates arisk of fire and explosion.
Avoid fire, open flames, smoking and creating
sparks under all circumstances. Switch off the
engine and, if applicable, the auxiliary heating
before refueling.
GWARNING
Fuel is poisonous and hazardous to health.
There is arisk of injury.
You must make sure that fuel does not come into contact with your skin, eyes or clothing
and that it is not swallowed. Do not inhale fuel
vapors. Keep fuel away from children.
If you or others come into contact with fuel,
observe the following:
RWash away fuel from skin immediately
using soap and water.
RIf fuel comes into contact with your eyes,
immediately rinse them thoroughly with
clean water. Seek medical assistance with-
out delay.
RIf fuel is swallowed, seek medical assis-
tance without delay.Don ot induce vomit-
ing.
RImmediately change out of clothing which
has come into contact with fuel.
GWARNING
Electrostatic buildupc an create sparks and
ignite fuel vapors. There is arisk of fire and
explosion.
Always touch the vehicle body before opening
the fuel filler flap or touching the fuel pump
nozzle. Any existing electrostatic buildupi s
thereby discharged.
Refueling131
Driving and parking
Z
GWARNING
If you leave children unsupervised in the vehi-
cle, they coul dset it in motion by, for example:
Rrelease the parking brake.
Rshift the automatic transmission out of the
parking position P.
Rstart the engine.
In addition, they may operate vehiclee quip-
ment and become trapped. There is arisk of
an accident and injury.
When leaving the vehicle, alway stake the
SmartKey with you and lock the vehicle. Never
leave children unsupervised in the vehicle.
!Always secure the vehiclec orrectly against
rolling away. Otherwise, the vehicleori ts driv-
etrain coul dbedamaged.
!When the vehicleisp arked,alway sremove
the key to prevent the battery from becoming
discharged.
Always park you rvehicl esafel yand secure it
against rolling away. When parking, observe the
lega lrequirements of the country in which you
are currently driving.
To ensure that the vehicleisp roperly secured
against rolling awa yunintentionally:
Rthe parking brake must be firmly applied
Rthe transmission must be in position Pand the
key must be removed from the ignitio nlock
Ron steep uphill or downhill gradients, the front
wheels must be turned toward sthe curb
Parking brake
GWARNING
If you leave children unsupervised in the vehi-
cle, they coul dset it in motion by, for example:
Rrelease the parking brake.
Rshift the automatic transmission out of the
parking position P.
Rstart the engine.
In addition, they may operate vehiclee quip-
ment and become trapped. There is arisk of
an accident and injury.
When leaving the vehicle, alway stake the
SmartKey with you and lock the vehicle. Never
leave children unsupervised in the vehicle.
GWARNING
If you must brake the vehiclew ith the parking
brake, the braking distance is considerably
longer and the wheels coul dlock. There is an
increased dange rofskidding and accidents.
Only use the parking brake to brake the vehi-
cle when the service brake is faulty. Do not
apply the parking brake too firmly .Ifthe
wheels lock, release the parking brake until
the wheels begint urning again.
The brake lampsare not illuminated when you
brake the vehicleu sing the parking brake.
As arule ,you may only apply the parking brake
when the vehicleiss tationary.
XTo apply the parking brake: depress park-
ing brake pedal ;firmly.
The red F(only USA) or J(only Can-
ada )indicator lamp in the instrument cluster
lights up if the engine is running.
XTo release the parking brake: depress the
brake pedala nd keep it depressed.
XPullrelease handle :.
The parking brake is released abruptly.T he
red F (only USA) or J(only Canada)
indicator lamp in the instrument cluster goes
out.
Exceptionally,ift he service brake fails, the park-
ing brake can be used to brake the vehicleina n
emergency.
XEmergency braking: pullrelease handle :
and gradually depress parking brake
pedal ;.
Parking133
Driving and parking
Z
!Take care not to spill any coolant on painted
surfaces. You could otherwise damage the
paintwork.
Example: cap and coolant expansion tank
Checkingt he coolant level
XStop your vehicle as far awayf rom traffic as
possible on level ground.
XSwitch off the engine.
XSecure the vehicle to prevent it from rolling
away.
XOpen the hood (Ypage 241).
XSlowly turn cap :half aturn counter-clock-
wise to allow excess pressure to escape.
XTurn cap :further and remove it from cool-
ant expansion tank ;.
XCheck the coolant level.
If the coolant is up to marker bar =in the
filler neck when cold, there is asufficient
amount of coolant in coolant expansion
tank ;.
If the coolant is approximately 0.59 in
(1.5 cm) above marker bar =in the filler neck
when warm, there is asufficient amount of
coolant in coolant expansion tank ;.
Adding coolant
XIf the coolant drops under marker bar =in
the filler neck, add coolant.
Observe the information on the correct cool-
ant mixture ratio and the required water qual-
ity under "Service products and capacities"
(
Ypage 300). To prevent damage to the
engine cooling system, use only approved
corrosion inhibitor/antifreeze that complies
with the Mercedes-Benz Specifications for
Service Products.
XReplace cap :and turn it clockwise to
tighten.
XStart the engine.
XSet the temperature in the vehicle interior to
the maximum output on the air-conditioning
system control panel.
XAfter approximately 5minutes ,switch off the
engine and allow it to cool down.
XCheck the coolant level againa nd add coolant
if necessary.
XClose the hood.
Brake fluid
GWARNING
Service products may be poisonous and haz-
ardous to health. There is arisk of injury.
Comply with instructionsont he use, storage
and disposalofs ervice products on the labels
of the respective original containers. Always
store service products sealed in their original
containers. Alwaysk eep service products out
of the reach of children.
GWARNING
Opening the hood when the engine is over-
heated or when there is afire in the engine
compartment could expose you to hot gases
or other service products. There is arisk of
injury.
Let an overheated engine cool down before
opening the hood. If there is afire in the
engine compartment,k eep the hood closed
and contact the fire department.
GWARNING
Certain componentsint he engine compart-
ment, such as the engine, radiator and parts
of the exhaust system, can become very hot.
Working in the engine compartment poses a
risk of injury.
Where possible,l et the engine cool down and
touch only the componentsd escribed in the
following.
Brake fluid is hazardous to health. Also observe the safety notes under "Service products and
capacities" (
Ypage 295).
Engine compartment245
Maintenance and care
Z