27 At a glance
Instrument cluster
ItemPage
1LLeft turn signal
indicator lamp
2vESP® warning lamp345
3Speedometer
4Multifunction display139
5lDistance warning lamp
Vehicles without Distronic*:
Warning lamp without func-
tion. It illuminates with the
ignition on. It should go out
when the engine is running.351
6KRight turn signal
indicator lamp
7Coolant temperature indica-
tor with:
•Coolant temperature
warning lamp350
8Tachometer with:
1Supplemental
Restraint System
(SRS) indicator lamp 353
-Antilock Brake Sys-
tem (ABS) indicator
lamp344
BLow beam headlamp
indicator lamp, de-
pending on vehicle
production date55
AHigh beam headlamp
indicator lamp130
9Main odometer with:
Selector lever position51
Program mode175
aClock with:157
;Brake warning lamp,
USA only347
3Brake warning lamp,
Canada only347
ItemPage
úEngine malfunction in-
dicator lamp, USA
only348
±Engine malfunction
indicator lamp, Cana-
da only348
HCombination low tire
pressure/TPMS mal-
function telltale,
USA only354
Low tire pressure
telltale, Canada only354
bFuel display with:
AFuel tank reserve
warning lamp351
cReset button for:
Resetting trip odometer137
Adjusting instrument
cluster illumination136
Confirming new time
settings157
115 Controls in detail
Locking and unlocking
Valet locking
1Neutral position
2LockedClose the trunk (page 111).
Remove the mechanical key from the
SmartKey (
page 398).
Insert the mechanical key in the trunk
lid lock.
Turn the mechanical key clockwise to
position2 to lock the trunk.
The trunk remains locked even when the
vehicle is centrally unlocked.
Insert the mechanical key in the trunk
lid lock.
Turn the mechanical key counterclock-
wise to neutral position1 to unlock the
trunk.
You can now open the trunk
(
page 109).
iIf the vehicle has previously been locked us-
ing the SmartKey or KEYLESS-GO*, the exterior
lamps will flash and the alarm will sound as the
trunk opens.
To cancel the alarm, do one of the following:
Insert the SmartKey in the starter switch.
Press buttonŒ or ‹ on the
SmartKey.
In vehicles with KEYLESS-GO*
Pull an outside door handle.
The SmartKey with KEYLESS-GO must be
within 3 ft (1 m) of the vehicle.
Press the KEYLESS-GO* start/stop button
(
page 39).
The SmartKey with KEYLESS-GO must be in-
side the vehicle.
iTo deny any unauthorized person access to
the trunk, e.g. when you valet park the vehicle,
lock it separately with the mechanical key. Leave
only the SmartKey or SmartKey with
KEYLESS-GO* less its mechanical key with the
vehicle.
iYou can only cancel the separate trunk lock-
ing mode by means of the mechanical key.
136 Controls in detail
Instrument cluster
For a full view illustration of the instrument
cluster, see “At a glance” (
page 26).
1Reset button
The instrument cluster is activated when
you
open a door
switch on the ignition
press the reset button1
switch on the exterior lamps
You can modify the instrument cluster set-
tings in the instrument cluster submenu of
the control system (
page 155).Adjusting instrument cluster
illumination
Use the reset button (
page 136) to ad-
just the illumination brightness for the in-
strument cluster.To brighten illumination
Turn the reset button (page 136)
clockwise.
The instrument cluster illumination will
brighten.
To dim illumination
Turn the reset button (page 136)
counterclockwise.
The instrument cluster illumination will
dim.
Warning!G
No messages will be displayed if either the
instrument cluster or the multifunction dis-
play is inoperative.
As a result, you will not be able to see infor-
mation about your driving conditions, such
as speed or outside temperature, warn-
ing/indicator lamps, malfunction/warning
messages or the failure of any systems.
Driving characteristics may be impaired.
If you must continue to drive, please do so
with added caution. Contact an authorized
Mercedes-Benz Center as soon as possible.
iThe instrument cluster illumination is
dimmed or brightened automatically to suit am-
bient light conditions.
The instrument cluster illumination will also be
adjusted automatically when you switch on the
vehicle’s exterior lamps.
256 Controls in detail
Useful features
Tele Aid
Shortly after the completion of your Tele
Aid acquaintance call, you will receive a
user ID and password. By visiting
www.mbusa.com and selecting “Tele Aid”
(USA only), you will have access to account
information, remote door unlock and
more.The Tele Aid system
(Tele
matic Alarm Identification on
D
emand)
The Tele Aid system consists of three
types of response:
automatic and manual emergency
roadside assistance
information
The Tele Aid system is operational provid-
ing that the vehicle’s battery is charged,
properly connected, not damaged and cel-
lular and GPS coverage is available.
The speaker volume of a Tele Aid call can
be adjusted when using the volume control
on the COMAND System or on the multi-
function steering wheel. To raise, turn the
rotary volume control on COMAND System
clockwise or press buttonæ on the
multifunction steering wheel. To lower,
turn the rotary volume control on
COMAND System control counterclock-
wise or press buttonç on the multi-
function steering wheel.
To activate, press the SOS button, the
Roadside Assistance button• or
the Information button¡, depend-
ing on the type of response required.
!The initial activation of the Tele Aid system
may only be performed by completing the sub-
scriber agreement and placing an acquaintance
call using button¡. Failure to complete ei-
ther of these steps will result in a system that is
not activated.
If you have any questions regarding activation,
please call the Response Center at
1-800-756-9018 (in the USA) or
1-888-923-8367 (in Canada).
iThe SOS button is located in the overhead
control panel (
page 258).
The Roadside Assistance button• and the
Information button¡ are located below the
center armrest cover (
page 243).
284 Operation
At the gas station
Open fuel filler flap1 by pushing at
the point indicated by the arrow.
The fuel filler flap springs open.
Turn fuel cap2 counterclockwise and
hold on to it until possible pressure is
released.
Take off fuel cap2 and place it into
holder3 located on the inside of the
fuel filler flap.
To prevent fuel vapors from escaping
into open air, fully insert filler nozzle
unit.
Only fill your tank until the filler nozzle
unit cuts out – do not top off or over-
fill.
Replace fuel cap by turning it clockwise
until it audibly engages.
Close the fuel filler flap.
Warning!G
Overfilling of the fuel tank may create pres-
sure in the system which could cause a gas-
oline fuel discharge. This could cause the
gasoline fuel to spray back out when remov-
ing the fuel pump nozzle, which could cause
personal injury.
iMake sure to close the fuel filler flap before
locking your vehicle as the flap locking pin pre-
vents closing after you have locked the vehicle.
iLeaving the engine running and the fuel cap
open can cause the yellow fuel tank reserve
warning lamp to flash and the malfunction indi-
cator lampú(USA only) or the malfunction
indicator lamp±(Canada only) to illuminate.
See also “Practical hints” section (
page 348).
iOnly use premium unleaded gasoline with a
minimum Posted Octane Rating of 91 (average of
96 RON/86 MON). Information on gasoline
quality can normally be found on the fuel pump.
Please contact gas station personnel in case
labels on the pump cannot be found.
For more information on gasoline, see “Premium
unleaded gasoline” (
page 451), see “Fuel re-
quirements” (
page 451), and the Factory Ap-
proved Service Products pamphlet (USA only) or
contact an authorized Mercedes-Benz Center.
290 Operation
Engine compartment
Coolant level
The engine coolant is a mixture of water
and anticorrosion/antifreeze.
When checking the coolant level,
the vehicle must be parked on level
ground
the coolant temperature must be
below 158°F (70°C)
The coolant expansion tank is located on
the driver’s side of the engine compart-
ment.
1Marking bar in the expansion tank
2Cap
3Coolant expansion tank
Using a rag, turn cap2 slowly approx-
imately one half turn counterclockwise
to release any excess pressure.
Continue turning cap2 counterclock-
wise and remove it.
The coolant level is correct if the level:
for cold coolant: reaches marking
bar1 in expansion tank3
for warm coolant: is approximately
0.6 in (1.5 cm) higher
Add coolant as required.
Replace and tighten cap2.
For more information on coolant, see the
“Technical data” section (
page 452).
Warning!G
In order to avoid potentially serious burns:
Use extreme caution when opening the
hood if there are any signs of steam or
coolant leaking from the cooling system,
or if the coolant temperature gauge indi-
cates that the coolant is overheated.
Do not remove pressure cap on coolant
reservoir if coolant temperature is
above 158°F (70°C). Allow engine to
cool down before removing cap. The
coolant reservoir contains hot fluid and
is under pressure.
Using a rag, slowly open the cap approx-
imately 1/2 turn to relieve excess pres-
sure. If opened immediately, scalding
hot fluid and steam will be blown out
under pressure.
Do not spill antifreeze on hot engine
parts. Antifreeze contains ethylene gly-
col which may burn if it comes into con-
tact with hot engine parts.
393 Practical hints
Where will I find...?
Where will I find...?
First aid kit
The first aid kit is in the storage compart-
ment at the front edge of the front passen-
ger seat.
1Tab
Pull tab1 upward.
Fold the covering forward.
Remove the first aid kit.
Spare wheel
The spare wheel is located under the trunk
floor.
Lift the trunk floor and engage the han-
dle in the upper edge of trunk.
Remove the luggage box (page 397).
Minispare wheel (CLS 550 only)
1Vehicle tool kit
2Minispare wheel
3Luggage bowlRemoving the Minispare wheel
Turn luggage bowl3 counterclock-
wise.
Remove Minispare wheel2.
Storing the Minispare wheel after use
Place Minispare wheel2 in wheel
well.
Turn luggage bowl clockwise to its stop
to secure the Minispare wheel.
iCheck expiration dates and contents for
completeness at least once a year and replace
missing/expired items.
!Always lower trunk floor before closing the
trunk.
394 Practical hints
Where will I find...?
Collapsible tire (CLS 63 AMG only)
1Vehicle tool kit
2Collapsible tire
3Electric air pump
4Storage well casingRemoving the collapsible tire
Remove storage well casing that con-
tains the vehicle tool kit and the elec-
tric air pump.
1Collapsible tire
2Tensioning strap
(vehicles with 19" collapsible tire only)
3Retaining screw
4Storage well casing base
5Tensioning strap
(vehicles with 19" collapsible tire only)
Remove storage well casing base4.
Remove retaining screw3 by turning
it counterclockwise.
Remove collapsible tire1.
Storing the collapsible tire after use
If you wish to store the collapsible tire after
use, carry out the following steps. Other-
wise, the collapsible tire may not fit the
spare wheel well.
Unscrew the valve cap from the valve
of the collapsible tire.
Take the valve extractor from the
vehicle tool kit (
page 395).
Unscrew the valve insert from the valve
and allow the air to escape.
Screw the valve insert back into the
valve.
Screw the valve cap back onto the
valve.
!Make sure the collapsible tire is dry before
storing it.
iIt may take a few minutes for the collapsible
tire to deflate completely.