Page 7 of 434

ContentsOperation.........................................  237
The first 1000 miles (1500 km) .........  238
Driving instructions ............................  239
Drive sensibly – save fuel .............  239
Drinking and driving .....................  239
Pedals ..........................................  239
Power assistance .........................  240
Brakes ..........................................  240
Driving off.....................................  242
Parking .........................................  242
Tires .............................................  243
Hydroplaning ................................  243
Tire traction ..................................  244
Tire speed rating ..........................  244
Winter driving instructions ...........  245
Standing water .............................  246
Passenger compartment ..............  246
Driving abroad ..............................  246Control and operation of radio
transmitters .................................  247
Catalytic converter .......................  247
Emission control ..........................  248
Coolant temperature ....................  249
At the gas station ..............................  250
Refuelling .....................................  250
Check regularly and before
a long trip .....................................  252
Engine compartment .........................  253
Hood ............................................  253
Engine oil .....................................  255
Transmission fluid level ................  258
Oil level in the ABC system ..........  258
Coolant ........................................  258
Battery .........................................  260
Windshield washer system and 
headlamp cleaning system ...........  261Tires and wheels................................  262
Important guidelines ....................  262
Life of tires...................................  263
Direction of rotation.....................  263
Checking tire inflation pressure ...  263
Rotating wheels ...........................  267
Winter driving ....................................  268
Winter tires ..................................  268
Block heater (Canada only) ..........  269
Snow chains.................................  269
Maintenance......................................  271
Clearing the service indicator ......  271
Service term exceeded ................  272
Calling up the service indicator ....  272
Resetting the service indicator ....  272
Vehicle care.......................................  274
Cleaning and care of the vehicle ..  274 
         
        
        
     
        
        Page 32 of 434

31 Getting started
Unlocking
Starter switch positionsStarter switch0For removing SmartKey
1Power supply to some electrical con-
sumers, such as seat adjustment
2Ignition (power supply for all electrical 
consumers) and driving position
3Starting position
Warning!
G
When leaving the vehicle, always remove the 
SmartKey from the starter switch, take the 
SmartKey with KEYLESS-GO* with you and 
lock the vehicle. Do not leave children unat-
tended in the vehicle, or with access to an 
unlocked vehicle. Unsupervised use of vehi-
cle equipment may cause an accident 
and/or serious personal injury.iThe SmartKey can only be removed 
from the starter switch with the gear 
selector lever in position P.
!If the SmartKey cannot be turned in the 
starter switch, the starter battery may 
not be sufficiently charged.
Check the starter battery and 
charge it if necessary (
page 358).
Get a jump start (
page 363).
To prevent accelerated battery dis-
charge or a completely discharged bat-
tery, always remove the SmartKey from 
the starter switch when the engine is 
not in operation.  
         
        
        
     
        
        Page 50 of 434

49 Getting started
Driving
Problems while driving
The engine runs erratically and misfires
An ignition cable may be damaged.
The engine electronics may not be op-
erating properly.
Unburned gasoline may have entered 
the catalytic converter and damaged it.
Give very little gas.
Have the problem repaired by an au-
thorized Mercedes-Benz Center as 
soon as possible.
!If anything blocks the windshield wiper 
(leaves, snow, etc.), switch them off im-
mediately.
For safety reasons,
turn off the engine by turning 
the SmartKey to position 0 and 
withdraw the SmartKey from 
the starter switch
or
turn off the engine by pressing 
the KEYLESS-GO* start/stop 
button and open the driver’s 
door (with the driver’s door 
open, the starter switch is in po-
sition 0, same as with the 
SmartKey removed from the 
starter switch)
before attempting to remove any 
blockage.
Remove blockage.
Turn the windshield wipers on 
again.
If windshield wipers fail to function at 
all in switch positionI,
set the combination switch to the 
next highest wiper speed
have the windshield wipers 
checked at the nearest authorized 
Mercedes-Benz Center 
         
        
        
     
        
        Page 51 of 434
50 Getting startedDrivingThe coolant temperature gauge is 
above 248°F (120°C)
The coolant is too hot and is no longer 
cooling the engine.
Stop the vehicle as soon as possible 
and turn off the engine. Allow engine 
and coolant to cool.
Check the coolant level and add cool-
ant if necessary (
page 258).In case of accident
If the vehicle is leaking gasoline:
Do not start the engine under any cir-
cumstances.
Notify local fire and/or police authori-
ties.
If the extent of the damage cannot be de-
termined:
Notify an authorized Mercedes-Benz 
Center.
If no damage can be determined on the
major assemblies
fuel system
engine mount:
Start the engine in the usual manner. 
         
        
        
     
        
        Page 132 of 434
131 Controls in detail
Control system
Menus, submenus and functions
Menu 1
Menu 2
Menu 3
Menu 4
Menu 5
Menu 6
Menu 7
Menu 8
Standard dis-
play
AUDIO
NAVI
Distronic*
Malfunction 
memory
Settings
Trip computer
Telephone
Commands/submenusDigital speed-
ometer
Select radio 
station
Activate 
route guid-
ance
Call up set-
tings
Call up malfunc-
tion messages
Reset to factory 
settings
Fuel consump-
tion statistics af-
ter start
Load phone 
book
Call up FSS
Select satel-
lite radio sta-
tion*
(USA only)
Instrument clus-
ter submenu 
Fuel consump-
tion statistics 
since the last re-
set
Search for 
name in 
phone book
Check tire 
pressure*
Operate CD 
player
Lighting sub-
menu
Call up range
Check engine 
oil level
Vehicle sub-
menuConvenience 
submenu 
         
        
        
     
        
        Page 133 of 434

132 Controls in detailControl system
Standard display menu
You can select the functions in the stan-
dard display menu with button k or 
j.
The following functions are available:
Display digital speedometer
Press button j once.
The current vehicle speed is shown in 
the right display field.
AUDIO menu
The functions in the 
AUDIO
 menu operate 
the audio equipment which you currently 
have turned on. 
If no audio equipment is currently turned 
on, the message 
AUDIO off
 is shown in the 
right display.
The following functions are available:
iThe headings used in the menus table 
are designed to facilitate navigation 
within the system and are not neces-
sarily identical to those shown in the 
control system displays. 
The first function displayed in each 
menu will automatically show you 
which part of the system you are in.
Function
Page
Call up digital speedometer
132
Call up FSS 
272
Check tire pressure* 
264
Check engine oil level
255
Function
Page
Select radio station
133
Select satellite radio station* 
(USA only)
133
Operate CD player
134 
         
        
        
     
        
        Page 166 of 434

165 Controls in detail
Automatic transmission
Deactivating manual shift program
Press the program mode selector 
switch repeatedly until
S or
C appears 
in the right multifunction display.
or
Restart the engine.
The transmission will go into the auto-
matic shift program mode last selected 
(SorC).
Program modeM is not stored.Emergency operation (Limp Home 
Mode)
If vehicle acceleration worsens or the 
transmission no longer shifts, the trans-
mission is most likely operating in limp 
home (emergency operation) mode. In this 
mode only second gear and reverse gear 
can be activated.
Stop the vehicle.
Move gear selector lever toP.
Turn off the engine.
Wait at least ten seconds before 
restarting.
Restart the engine.
Move gear selector lever to positionD 
(for second gear) orR.
Have the transmission checked at an 
authorized Mercedes-Benz Center as 
soon as possible.
iThe last selected automatic program 
mode (S orC) is switched on when the 
engine is restarted in the automatic 
program mode. 
         
        
        
     
        
        Page 190 of 434

189 Controls in detail
Retractable hardtop
Closing the retractable hardtop with 
the SmartKey (Convenience feature)
Aim the transmitter eye at the door 
handle.
Press and hold button ‹ until the 
retractable hardtop is completely 
closed.
The retractable hardtop and the side 
windows close. In the tachometer dis-
play you will see the message Vario-Roof closed
.Problems when operating the 
retractable hardtop
Indicator lamp in the retractable hard-
top switch is flashing
Several problems may cause the indicator 
lamp in the hardtop switch to flash when 
activated:
The luggage cover in the trunk is not 
closed.
Close the luggage cover in the 
trunk.
The trunk lid is open.
Close the trunk lid.
The battery voltage is too low.
Start engine and let run while acti-
vating switch.
The hardtop drive system has shut it-
self down. For safety reasons, no more 
than five consecutive attempts may be 
made to raise or lower the hardtop.
After about ten minutes you may 
again attempt to open or close the 
retractable hardtop again.
If the indicator lamp in the retractable 
hardtop switch flashes when starting off or 
while driving and you hear a warning sound 
for a maximum of 10 seconds, the retract-
able hardtop is not locked.
Properly lock the retractable hardtop 
(page 187) before continuing to 
drive.
If the indicator lamp continues to flash af-
ter you have carried out the above actions, 
there is a malfunction.
Have the retractable hardtop system 
checked at an authorized 
Mercedes-Benz Center.
Warning!
G
If the retractable hardtop does not com-
pletely open or close a warning sounds and 
the retractable hardtop switch flashes. In 
the speedometer display you will see 
K
, 
in the tachometer display you will see the 
message 
being lowered!
. After about 
15 seconds the roof hydraulics lose pres-
sure.
Properly lock the retractable hardtop 
(
page 187) before continuing to drive.