Instrument cluster
Overview
FunctionPage:Speedometer;Multifunction display158=Tachometer156?Fuel filler flap location
indicator: the fuel filler cap
is to the rear on the right.
131
FunctionPageAFuel gaugeBCoolant temperature gauge156CReset button16026Instrument clusterAt a glance
Warning and indicator lampsFunctionPage:Low-beam headlamps91;ESP®
OFF186=ESP ®185?Turn signal93AABS185BSeat belt184CSRS187DEngine diagnostics (Canada
only)
188
FunctionPageEEngine diagnostics (USA
only)
188
FReserve fuel188GHigh-beam headlamps93HTire pressure monitor189IBrakes (USA only)183JBrakes (Canada only)183Instrument cluster27At a glance
received, including interference which
could cause unwanted functions.
Unapproved modifications to this device
may lead to withdrawal of permission to
operate it.
i Canada only:
This device complies with Industry
Canada's RSS210 regulations. Operation is
subject to the following conditions:
1. This device must not cause any harmful
interference, and
2. This device must be able to
accommodate interference that is
received, including interference which
could cause unwanted functions.
Unapproved modifications to this device
may lead to withdrawal of permission to
operate it.
Locking and unlocking centrally
The SmartKey centrally locks/unlocks:
R the doors
R the rear door
R the fuel filler flap
:& To lock the vehicle;% To unlock the vehicle
When unlocking, the turn signals flash once.
When locking, they flash three times.
XTo unlock centrally: press the %
button.If you do not open a door or the rear door or
the tailgate (Cabriolet) within approximately
40 seconds of unlocking the vehicle:
R the vehicle is locked again.
R the theft deterrent locking system is armed
again.XTo lock centrally: press the & button.
Changing the settings of the locking
system
You can change the setting of the locking
system in such a way that only the driver's
door and the fuel filler flap are unlocked. This
is useful if you frequently travel on your own.
XTo change the setting: press and hold
down the % and & buttons
simultaneously for approximately six
seconds until battery check lamp flashes
twice.
The SmartKey now functions as follows:
XTo unlock the driver's door and fuel
filler flap: press the % button once.XTo unlock centrally: press the %
button twice.XTo lock centrally: press the & button.
Restoring the factory settings
XPress the % and & buttons
simultaneously for approximately six
seconds until the battery check lamp
flashes twice.
Mechanical key
General notes
If the vehicle can no longer be unlocked with
the SmartKey, use the mechanical key.
If you use the mechanical key to unlock and
open the driver's door or the trunk lid, the
SmartKey63Opening and closingZ
Doors
Important safety notes
GWarning
When leaving the vehicle, always remove the
SmartKey from the ignition lock. Always take
the SmartKey with you and lock the vehicle.
Do not leave children unsupervised in the
vehicle, even if they are secured in a child
restraint system, and do not give them access
to an unlocked vehicle. A child's unsupervised
access to a vehicle could result in an accident
and/or serious personal injury. They could:
R injure themselves on vehicle parts
R be seriously or fatally injured by extreme
heat or cold
R injure themselves or have an accident with
vehicle equipment that may still be in
operation even after the SmartKey has
been removed from the ignition, such as the
seat adjustment, steering wheel
adjustment or memory function.
If children open a door, they could cause
severe or even fatal injury to other persons; if
they get out of the vehicle, they could injure
themselves when doing so or be seriously or
even fatally injured by any passing traffic.
Do not expose the child restraint system to
direct sunlight. The child restraint system's
metal parts, for example, could become very
hot, and a child could be burned on these
parts.
GWarning!
Do not carry heavy or hard objects in the
passenger compartment or cargo
compartment unless they are firmly secured
in place.
Unsecured or improperly positioned cargo
increases a child’s risk of injury in the event
of
R strong braking maneuvers
R sudden changes of direction
R an accident
Unlocking and opening the doors
from the inside
You can open a door anytime from inside the
vehicle even if it has been locked, unless the
child-proof locks ( Y page 54) have been
activated.
If the vehicle has previously been locked with
the SmartKey, opening a door from the inside
will trigger the anti-theft alarm system. To
switch off the alarm ( Y page 59)XFront doors: pull door handle ;.
If the door is locked, locking knob : pops
up. The door is unlocked and can be
opened.XRear doors: pull locking knob : upwards.
The door is unlocked.XPull door handle ;.
Locking and unlocking the vehicle
from the inside
You can centrally lock or unlock the vehicle
from the inside. This feature may be useful if,
for example, you wish to unlock the front-
passenger door from the inside or lock the
vehicle before you pull away.
The central locking button does not lock or
unlock the fuel filler flap.
i You cannot unlock the vehicle centrally
from the inside if the vehicle has been
locked from the outside using the
SmartKey.
Doors67Opening and closingZ
XTake mechanical key ; out of the
SmartKey ( Y page 63).XInsert mechanical key ; into the lock of
the driver's door as far as it will go.XTurn mechanical key ; clockwise as far as
it will go to position 1.XTurn the mechanical key back and remove
it.XMake sure that the doors and the tailgate
are locked.
i If you lock the vehicle as described above,
the fuel filler flap is not locked. The anti-
theft alarm system is not armed.
Cargo compartment
Important safety notes
Do not leave the SmartKey in the cargo
compartment. Otherwise, you could lock
yourself out.
GWarning
When leaving the vehicle, always remove the
SmartKey from the ignition lock. Always take
the SmartKey with you and lock the vehicle.
Do not leave children unsupervised in the
vehicle, even if they are secured in a child
restraint system, and do not give them access
to an unlocked vehicle. A child's unsupervised
access to a vehicle could result in an accident
and/or serious personal injury. They could:
R injure themselves on vehicle parts
R be seriously or fatally injured by extreme
heat or cold
R injure themselves or have an accident with
vehicle equipment that may still be in
operation even after the SmartKey has
been removed from the ignition, such as the
seat adjustment, steering wheel
adjustment or memory function.
If children open a door, they could cause
severe or even fatal injury to other persons; if
they get out of the vehicle, they could injure
themselves when doing so or be seriously or
even fatally injured by any passing traffic.
Do not expose the child restraint system to
direct sunlight. The child restraint system's
metal parts, for example, could become very
hot, and a child could be burned on these
parts.
GWarning!
Do not carry heavy or hard objects in the
passenger compartment or cargo
compartment unless they are firmly secured
in place.
Unsecured or improperly positioned cargo
increases a child’s risk of injury in the event
of
R strong braking maneuvers
R sudden changes of direction
R an accident
Cargo compartment69Opening and closingZ
Vehicle equipment ............................116
Breaking-in notes .............................. 116
Driving ............................................... 116
Automatic transmission ...................121
Refueling ............................................ 131
Parking ............................................... 134
Driving tips ........................................ 136
Driving systems ................................ 147115Driving and parking
Problems with the engineProblemPossible causes/consequences and M SolutionsThe engine does not
start. The starter motor
can be heard.R There is a malfunction in the engine electronics.
R There is a malfunction in the fuel supply.XTurn the SmartKey back to position 0 in the ignition lock before
attempting to start the engine again.XTry to start the engine again ( Y page 117). Avoid excessively
long and frequent attempts to start the engine as these will drain
the battery.
If the engine does not start after several attempts:
XConsult a qualified specialist workshop, e.g. an authorized
Mercedes-Benz Center.The engine does not
start. The starter motor
can be heard. The
reserve fuel warning
lamp is on. The needle
of the fuel gauge is
pointing to the reserve
range and does not
drop any further.The fuel tank is empty.XRefuel the vehicle.The engine does not
start. You cannot hear
the starter motor.The on-board voltage is too low because the starter battery is too
weak or discharged.XJump-start the vehicle ( Y page 238).
If the engine does not start despite attempts to jump-start it:
XConsult a qualified specialist workshop, e.g. an authorized
Mercedes-Benz Center.The starter motor was exposed to a thermal load that was too high.XAllow the starter motor to cool down for approximately two
minutes.XTry to start the engine again.
If the engine still does not start:
XConsult a qualified specialist workshop, e.g. an authorized
Mercedes-Benz Center.120DrivingDriving and parking
ProblemPossible causes/consequences and M SolutionsThe engine is not
running smoothly and
is misfiring.There is a malfunction in the engine electronics or a mechanical
component of the engine management system.XOnly depress the accelerator pedal slightly.XHave the cause rectified immediately at a qualified specialist
workshop, e.g. an authorized Mercedes-Benz Center.
Otherwise, non-combusted fuel may get into the catalytic
converter and damage it.The coolant
temperature gauge
shows a value above
248 ‡(120 †).
Additionally, a display
message may appear in
the multifunction
display and a warning
tone may sound.The coolant level is too low. The coolant is too hot and the engine
is no longer being cooled sufficiently.XStop as soon as possible and allow the engine and the coolant
to cool down.XCheck the coolant level ( Y page 217). Observe the warning
notes as you do so and add coolant if necessary.Automatic transmission
Important safety notes
GWarning
It is dangerous to shift AUTOTRONIC out of
parking position P or neutral position N if the
engine speed is higher than idle speed. If your
foot is not firmly on the brake pedal, the
vehicle could accelerate quickly forward or in
reverse. You could lose control of the vehicle
and hit someone or something. Only shift into
gear when the engine is idling normally and
when your right foot is firmly on the brake
pedal.
GWarning
On slippery road surfaces, never downshift in
order to obtain braking action. This could
result in drive wheel slip and reduced vehicle
control. Your vehicle's ABS will not prevent
this type of loss of control.
GWarning!
Keep in mind that turning off the engine alone
only will shift AUTOTRONIC into neutral
position N automatically.
Always shift AUTOTRONIC into park position
P before turning off the engine.
Otherwise the vehicle could roll away which
could result in an accident and/or serious
personal injury.
i Bear in mind that the power transmission
between the engine and the transmission
is interrupted when the engine is switched
off. Therefore, to prevent the vehicle from
rolling away, shift the automatic
transmission to position P and apply the
parking brake when the engine is switched
off and the vehicle is stationary.
Automatic transmission121Driving and parkingZ