
Engine oil
Adding ........................................... 314
Additives ........................................ 387
Checking the oil level ..................... 313
Checking the oil level using the
dipstick .......................................... 313
Display message ............................ 262
Filling capacity ............................... 387
Notes about oil grades ................... 386
Notes on oil level/consumption ....313
Viscosity ........................................ 387
ESP ®
(Electronic Stability
Program) Deactivating/activating .................241
Deactivating/activating (notes) .......75
Display message ............................ 249
ETS/4ETS ........................................ 74
Function/notes ................................ 74
General notes .................................. 74
Important safety information ...........74
Warning lamp ................................. 279
ETS/4ETS (Electronic Traction
System) ................................................ 74
Exhaus tcheck ................................... 185
Exhaus tpipe (cleaning instructions) 324
Exterior lighting Settin goption s.............................. 134
see Lights
Exterior mirrors
Adjusting ....................................... 127
Dipping (automatic) .......................129
Folding in/ou t(automatically) .......128
Folding in/ou t(electrically) ...........128
Folding in whe nlocking (on-board
computer) ...................................... 246
Out of position (troubleshooting) ...129
Setting ........................................... 128
Storing settings (memory function) 130
Storing the parking position ..........129 F
Fille rcap
see Fuel filler flap
First-aid kit ......................................... 328
Flat tire MOExtended tires ..........................329
Preparing the vehicle .....................328Floormats
........................................... 308
Fuel Additives ........................................ 385
Consumption statistics ..................235
Displaying the current
consumption .................................. 236
Displaying the range ......................236
Driving tips .................................... 184
Flexible fuel vehicles ......................386
Fuel gauge ....................................... 31
Grade (gasoline) ............................ 385
Important safety notes ..................384
Premium-grade unleaded gasoline .385
Problem (malfunction) ...................182
Refueling ........................................ 179
Tank content/reserve fuel .............384
Fuel filler flap
Opening/closing ............................ 180
Fuel level
Calling up the range (on-board
computer) ...................................... 236
Fuel tank
Capacity ........................................ 384
Problem (malfunction) ...................182
Fuse allocation chart (vehicle tool
kit) ...................................................... 328
Fuses Allocation chart ............................. 339
Before changing ............................. 339
Dashboard fuse box .......................339
Fuse box in the engine
compartment ................................. 340
Fuse box in the trunk .....................340
Important safety notes ..................339 G
Garage door opener Clearing the memory .....................308
Important safety notes ..................305
Opening/closing the garage door ..308
Programming (button in the rear-
view mirror) ................................... 306
Genuine parts ...................................... 21
Glove box ........................................... 28910
Index

Lower the head restraints in the rear
compartment manually if:
R
the head restraint electronics are
malfunctioning.
R the opening or closing procedure of the soft
top is interrupted, leaving the soft top
compartment cover open. Cover
0003can only be released if:
R the soft top is interrupted during the
opening or closing procedure.
R the soft top compartment cover is left
open.
X Push the mechanical key into two
openings 0002betwee nthe head restraints
until cover 0003releases.
X Take off cover 0003. X
Lowering the head restraints: turn
thumbwheel 0002in the direction of the front
seats. Folding the front seat backrests
forward/back
Important safety notes G
WARNING
If the backrest is not engaged, it could fold
forwards during a braking maneuver or in the
event of an accident, for example. The seat
backrest will then push the vehicle occupant
against the seat belt. The seat belt can no
longer offer the intended level of protection
and could even cause injuries. There is an
increased risk of injury.
Before each journey, make sure that the
backrest engages fully as described. G
WARNING
You could lose control of your vehicle if you
do the following while driving:
R adjust the driver's seat, steering wheel or
mirrors
R fasten the seat belt
There is a risk of an accident.
Adjust the driver's seat, steering wheel or
mirrors and fasten your seat belt before
starting the engine. G
WARNING
When you adjust a seat, you or other vehicle
occupants could become trapped, e.g. on the
seat guide rail. There is arisk of injury.
Make sure when adjusting aseat that no one
has any body parts in the sweep of the seat. 120
SeatsSeats, steering wheel and mirrors

Folding the seat backrest forward
Example: Coupe
The seat moves forwards if you have folded
the backrest forwards and the seat is in the
rear half of the range. This makes it easie rfor
passengers to get into and out of the rear
compartment.T he head restraint is lowered
simultaneously.
X Pull seat release handle 0002forwards and
fold the backrest forwards as far as it will
go.
The seat automatically moves to the
foremost position and the head restraint is
lowered.
Folding the seat backrest back X
Swing back the seat backrest.
The seat moves automatically to the stored
position. Adjusting the multicontour seat
0002
To adjust the thigh cushion
0003 To adjust the backrest contour in the
lumbar region
0023 To adjust the backrest contour in the
upper back region
0022 To adjust the side bolsters of the seat
backrest
You can adjust the contour of the front seats
individually so as to provide optimum support
for your back and sides.
X Turn the SmartKey to position 2in the
ignition lock (Y page 165). Adjusting the 4-way lumbar support
0002
To raise the backrest contour
0003 To soften the backrest contour
0023 To lower the backrest contour
0022 To harden the backrest contour
You can adjust the contour of the front seat
backrests individually to provide optimum
support for your back. Seats
121Seats, steering wheel and mirrors Z

X
Turn the SmartKey to position 1or 2in the
ignition lock (Y page 165).
X Press button 0002for the left-hand exterior
mirror or button 0003for the right-hand
exterior mirror.
The indicator lamp in the corresponding
button lights up in red.
The indicator lamp goes out again after
some time. You can adjust the selected
mirror using adjustment button 0023as long
as the indicator lamp is lit.
X Press adjustmen tbutton 0023up, down, or
to the left or right until you have adjusted
the exterior mirror to the correct position.
You should have a good overview of traffic
conditions.
The convex exterio rmirrors provide a larger
field of vision.
After the engine has been started, the
exterior mirrors are automatically heated if
the rear window defroster is switched on and
the outside temperature is low. Heating takes
a maximum of 10 minutes.
i You can also heat up the exterior mirrors
manually by switching on the rear window
defroster. Folding the exterior mirrors in or out
electrically X
Turn the SmartKey to position 1or 2in the
ignition lock (Y page 165).
X Briefly press button 0002.
Both exterior mirrors fold in or out.
i Make sure that the exterior mirrors are
always folded out fully while driving. They
could otherwise vibrate.
i If you are driving faster than 30 mph
(47 km/h), you can no longer fold in the
exterior mirrors.
Setting the exterior mirrors If the battery has been disconnected or
completely discharged, the exterior mirrors
must be reset
.The exterior mirrors will
otherwise not fold in when you select the
"Fold in mirrors when locking" function in the
on-board computer. (Y page 246)
X Turn the SmartKey to position 1in the
ignition lock (Y page 165).
X Briefly press button 0002.
Folding the exterior mirrors in or out
automatically If the "Fold in mirrors when locking" function
is activated in the on-board computer
(Y
page 246): 128
MirrorsSeats, steering wheel and mirrors

R
the exterior mirrors fold in automatically as
soon as you lock the vehicle fro mthe
outside.
R the exterior mirrors fold out again
automatically as soon as you unlock the
vehicle and then open the driver's or front-
passenger door.
i If the exterior mirrors have been folded in
manually, they do not fold out.
Exterior mirror pushed out of position If an exterior mirror has been pushed out of
position, proceed as follows:
X
Vehicles without electrically folding
exterior mirrors: move the exterior mirror
into the correct position manually.
X Vehicles with electrically folding
exterior mirrors: press and hold mirror-
folding button 0002until you hear a click and
then the mirrors engage in position
(Y page 128).
The mirror housing is engaged again and
you can adjust the exterior mirrors as usual
(Y page 127). Automatic anti-glare mirrors
The rear-view mirror and the exterior mirror
on the driver's side automatically go into anti-
glare mode if the following conditions are met
simultaneously:
R the ignition is switched on and
R incident light from headlamps strikes the
sensor in the rear-view mirror.
The mirrors do not go into anti-glare mode if
reverse gear is engaged. Parking position for the exterior
mirror on the front-passenger side
Setting and storing the parking position Using reverse gear
0002
Button for the driver's side exterior mirror
0003 Button for the front-passenger side
exterior mirror
0023 Adjustment button
0022 Memory button M
You can position the front-passenger side
exterior mirror in such a way that you can see
the rear wheel on that side as soon as you
engage reverse gear. You can store this
position.
X Stop the vehicle and turn the SmartKey to
position 2in the ignition lock
(Y page 165).
X Press button 0003for the exterior mirror on
the front-passenger side.
X Engage reverse gear.
The exterior mirror on the front-passenger
side moves to the preset parking position.
X Use adjustment button 0023to adjust the
exterior mirror to a position that allows you
to see the rear wheel and the curb.
The parking position is stored.
i If you shift the transmission to another
position, the exterior mirror on the front-
passenger side returns to the driving
position. Mirrors
129Seats, steering wheel and mirrors Z

When you activate the
Auto. MirrorFolding function, the exterior mirrors are
folded in when the vehicle is locked. If you
unlock the vehicle and then open a door, the
exterior mirrors fold out again.
X Press the 0002or0005 button on the
steering wheel to select the Sett. menu.
X Press the 0004or0003 button to select the
Convenience submenu.
X Press 000Bto confirm.
X Press the 0004or0003 button to select the
Auto. Mirror Folding function.
If the Auto. Mirror Folding function is
activated, the vehicle's exterior mirror is
displayed in orange in the multifunction
display.
X Press the 000Bbutton to save the setting. 0002
To fold the exterior mirrors in or out
If you have switched on the Auto. MirrorFolding function and you fold in the exterior
mirrors by pressing button 0002, the exterior
mirrors will not fold out automatically
(Y page 128).
You can then only fold out the exterior mirrors
using button 0002.
Restoring the factory settings X
Press the 0002or0005 button on the
steering wheel to select the Sett. menu.
X Press the 0004or0003 button to select the
Factory Setting submenu.X
Press 000Bto confirm.
The Reset All Settings? message
appears.
X Press the 0004or0003 button to select
No or
Yes .
X Press 000Bto confirm the selection.
If you have selected Yes , the multifunction
display shows a confirmation message.
For safety reasons, the Daytime Running Lights function in the
Lights submenu is
only reset if the vehicle is stationary. Menus and submenus
247On-board computer and displays Z

Battery acid is caustic. Avoid
contact with skin, eyes or clothing.
Wea
rsuitable protective clothing,
especially gloves, apro nand
faceguard.
Rinse any acid spills immediately
with clear water. Contact a
physician if necessary. Wear eye protection.
Keep children away.
Observe this Operator's Manual.
For safety reasons, Mercedes-Benz
recommends tha tyou only use batteries
which have been tested and approved for
your vehicle by Mercedes-Benz. These
batteries provide increased impact
protection to prevent vehicle occupants from
suffering acid burns should the battery be
damaged in the event of an accident.
In order for the battery to achieve the
maximum possible service life, it must always
be sufficiently charged.
The vehicle battery, like other batteries, can
discharge over time if you do not use the
vehicle. In this case, have the battery
disconnected at a qualified specialist
workshop. You can also charge the battery
with a charger recommended by Mercedes-
Benz.C ontact a qualified specialist workshop
for further information.
Have the battery condition of charge checked
more frequently if you use the vehicle mainly
for short trips or if you leave it standing idle
for a lengthy period. Consult a qualified
specialist workshop if you wish to leave your
vehicle parked for a long period of time.
i Remove the SmartKey if you park the
vehicle and do not require any electrical consumers. The vehicle will then use very
little energy, thus conserving battery
power.
i If the power supply has been interrupted,
e.g. if you reconnect the battery, you will
have to:
R set the clock. Information on setting the
clock can be found in the separate
operating instructions.
On vehicles with COMAND and a
navigation system, the clock is set
automatically.
R reset the function for folding the exterior
mirrors in/out automatically, by folding
the mirrors out once (Y page 128). Charging the battery
G
WARNING
During charging and jump-starting, explosive
gases can escape from the battery. There is a
risk of an explosion.
Particularly avoid fire, open flames, creating
sparks and smoking. Ensure there is sufficient
ventilation while charging and jump-starting.
Do not lean over a battery. G
WARNING
Battery acid is caustic. There is a risk of injury.
Avoid contact with the skin, eyes or clothing.
Do not inhale any battery gases. Do not lean
over the battery. Keep children away from
batteries. Wash battery acid immediately with
water and seek medical attention. G
WARNING
Ad ischarged battery can freeze at
temperatures below freezing point .When
jump-starting the vehicle or charging the
battery, gases can escape from the battery.
There is a risk of an explosion.
Allow the frozen battery to thaw out before
charging it or jump-starting. 332
Battery (vehicle)Breakdown assistance