
Driving tips
Automati c transmissio n ................ .1 61
Brakes .......................................... .1 75
Break-in period .............................. 146
Checking brake lining thickness .... 176
DISTRONIC PLUS ........................... 186
Downhill gradient ........................... 175
Drinking and driving ....................... 173
Driving in winter ............................ .1 77
Driving on flooded roads ................ 177
Driving on wet roads ..................... .1 77
Exhaust check ............................... 173
Fuel ................................................ 173
General .......................................... 172
Hydroplaning ................................. 177
Icy road surfaces ........................... 177
Limited braking efficiency on sal-
ted roads ....................................... 175
Snow chains .................................. 331
The first 1000 miles (1500 km) ..... 146
Wet road surface ........................... 175
DVD video
Operating (on-board computer) ..... 217
DYNAMIC SELECT button
Climate control (3-zone automatic
climate control) ............................ .1 35
Climate control (air-conditioning
system) .......................................... 132
DYNAMIC SELECT button (all vehi-
cles except Mercedes-AMG vehi-
cles) .................................................... 155
DYNAMIC SELECT controller
(Mercedes-AMG vehicles) ................. 156
E
EBD (electronic brake force distri-
bution)
Display message ............................ 230
Function/notes ................................ 72
ECO display
Function/notes ............................ .1 74
On-board computer ....................... 214
ECO start/stop function
Automatic engine start .................. 152
Automatic engine switch-off .......... 152
Deactivating/activating ................. 153
General information ....................... 152 Important safety notes .................. 151
Introduction ................................... 151
Electronic Stability Program
see ESP ®
(Electronic Stability Program)
Emergency
Automatic measures after an acci-
dent ................................................. 58
Emergency release
Driver's door ................................... .8 5
Trunk ............................................... 87
Vehicle ............................................. 85
Emergency Tensioning Devices
Activation ......................................... 56
Emissions control
Service and warranty information ... .2 2
Engine
Check Engine warning lamp .......... .2 67
Display message ............................ 243
ECO start/stop function ................ 151
Engine number ............................... 365
Irregular running ............................ 154
Jump-starting ................................. 319
Starting (important safety notes) ... 149
Starting problems .......................... 154
Starting the engine with the
SmartKey ....................................... 149
Starting with the Start/Stop but-
ton ................................................. 150
Switching off .................................. 170
Tow-starting (vehicle) ..................... 325
Engine electronics
Problem (malfunction) ................... 154
Engine jump starting
see Jump starting (engine)
Engine oil
Adding ........................................... 298
Additives ........................................ 369
Checking the oil level ..................... 297
Checking the oil level using the
dipstick .......................................... 298
Display message ............................ 245
Filli ng capacity ............................... 368
No tes about oil grades ................... 368
Notes on oil level/consumption .... 297
Temperature (on-board computer,
Mercedes-AMG vehicles) ............... 223
Viscosity ........................................ 369 Index 9

Notes for 4MATIC vehicles ............ 324
Removing the towing eye ............... 323
Transporting the vehicle ................ 324
With both axles on the ground ....... 323
With front axle raised .................... .3 23
Towing eye ......................................... 310
Transmission
see Automatic transmission
Transmission position display
(DIRECT SELECT lever) ..................... .1 57
Transporting the vehicle .................. 324
Trim pieces (cleaning instruc-
tions) ................................................. .3 07
Trip computer (on-board com-
puter) ................................................. .2 14
Trip odometer
Calling up ....................................... 213
Resetting (on-board computer) ...... 215
Trunk
Emergency release .......................... 87
Emergency release button .............. .8 8
Important safety notes .................... 85
Opening (automatically from out-
side) ................................................ .8 6
Opening automatically from
inside ............................................... 87
Opening/closing (manually from
outside) ............................................ 86
Trunk emergency release button ...... .8 8
Trunk lid
Display message ............................ 255
Opening dimensions ...................... 371
Trunk load (maximum) ...................... 371
Turn signals
Changing bulbs (front) ................... 123
Changing bulbs (rear) .................... 123
Display message ............................ 240
Switching on/off ........................... 116
Two-way radio
Frequencies ................................... 362
Installation ..................................... 362
Transmission output (maximum) .... 362
Type identification plate
see Vehicle identification plate U Unlocking
Emergency unlocking ....................... 85
From inside the vehicle (central
unlocking button) ............................. 84
Upshift indicator (on-board com-
puter, Mercedes-AMG vehicles) ....... 223
V Vanity mirror (in the sun visor) ........ 279
Vehicle
Correct use ...................................... 26
Data acquisition ............................... 27
Display message ............................ 253
Equipment ....................................... 22
Individual settings .......................... 221
Limited Warranty ............................. 26
Loading .......................................... 339
Locking (in an emergency) ............... 85
Locking (SmartKey) .......................... 76
Lowering ........................................ 355
Maintenance .................................... 23
Parking for a long period ................ 172
Pulling away ................................... 150
Raising ........................................... 352
Reporting problems ......................... 26
Securing from rolling away ............ 352
Transporting .................................. 324
Unlocking (in an emergency) ........... 85
Unlocking (SmartKey) ...................... 76
Vehicle data ................................... 371
Vehicle data
Roof load (maximum) ..................... 371
Trunk load (maximum) ................... 371
Vehicle dimensions ........................... 371
Vehicle emergency locking ................ 85
Vehicle identification number
see VIN
Vehicle identification plate .............. 364
Vehicle tool kit .................................. 310
Ventilation
Setting the vents ........................... 142
Video
Operating the DVD ......................... 217
VIN
Seat ............................................... 364 Index 19

Useful information
i This Operator's Manual describes all
models and all standard and optional equip-
ment of your vehicle available at the time of
publication of the Operator's Manual.
Country-specific differences are possible.
Please note that your vehicle may not be
equipped with all features described. This
also applies to safety-related systems and
functions.
i Read the information on qualified special-
ist workshops ( Y
page 25).
SmartKey
Important safety notes
G WARNING
If children are left unsupervised in the vehicle,
they could: R
open the doors, thus endangering other
people or road users. R
get out and disrupt traffic. R
operate the vehicle's equipment.
Additionally, children could set the vehicle in
motion if, for example, they: R
release the parking brake. R
shifting the automatic transmission out of
park position PR
Start the engine.
There is a risk of an accident and injury.
When leaving the vehicle, always take the
SmartKey with you and lock the vehicle. Never
leave children or animals unattended in the
vehicle. Always keep the SmartKey out of
reach of children.
G WARNING
If you attach heavy or large objects to the
SmartKey, the SmartKey could be uninten-
tionally turned in the ignition lock. This could
cause the engine to be switched off. There is a
risk of an accident. Do not attach any heavy or large objects to the
SmartKey. Remove any bulky key rings before
inserting the SmartKey into the ignition lock.
! Keep the SmartKey away from strong
magnetic fields. Otherwise, the remote
control function could be affected.
Strong magnetic fields can occur in the
vicinity of powerful electrical installations.
Do not keep the SmartKey: R
with electronic devices, e.g. a mobile
phone or another SmartKey. R
with metallic objects, e.g. coins or metal
foil. R
inside metallic objects, e.g. a metal case.
Vehicles with KEYLESS-GO start function:
do not keep the SmartKey in the cargo com-
partment. Otherwise, the SmartKey may not
be detected, e.g. when starting the engine
using the Start/Stop button.
SmartKey functions
C
7 To lock the vehicle D
T To open the trunk lid

X
Insert the SmartKey into the ignition lock.
or X
To deactivate the alarm with KEYLESS-
GO: press the Start/Stop button in the igni-
tion lock. The SmartKey must be in the
vehicle.
or X
Lock or unlock the vehicle using KEYLESS-
GO. The SmartKey must be outside the
vehicle.
If you unlock the vehicle using the mechanical
key, the fuel filler flap will not be unlocked
automatically. X
To unlock the fuel filler flap: insert the
SmartKey into the ignition lock.
Removing the mechanical key
X
Push release catch C in the direction of
the arrow and at the same time remove
mechanical key D from the SmartKey.
For further information about: R
unlocking the driver's door ( Y
page 85)R
unlocking the trunk ( Y
page 87)R
locking the vehicle ( Y
page 85)
Inserting the mechanical key X
Push mechanical key D completely into
the SmartKey until it engages and release
catch C is back in its basic position. SmartKey battery
Important safety notes
G WARNING
Batteries contain toxic and corrosive substan-
ces. If batteries are swallowed, it can result in
severe health problems. There is a risk of fatal
injury.
Keep batteries out of the reach of children. If
a battery is swallowed, seek medical attention
immediately.
The SmartKey batteries contain perchlorate
material, which may require special handling
and regard for the environment. National
guidelines must be observed during disposal.
In California, see www.dtsc.ca.gov/
HazardousWaste/Perchlorate/
index.cfm .
Mercedes-Benz recommends that you have
the battery replaced at a qualified specialist
workshop.
Checking the battery
X
Press the 7 or 6 button.
The battery is working properly if battery
check lamp C lights up briefly.
The battery is discharged if battery check
lamp C does not light up briefly. X
Change the battery ( Y
page 80).SmartKey 79
Opening and closing Z

G WARNING
If objects, luggage or loads are not secured or
not secured sufficiently, they could slip, tip
over or be flung around and thereby hit vehicle
occupants. There is a risk of injury, particu-
larly in the event of sudden braking or a sud-
den change in direction.
Always store objects so that they cannot be
flung around. Secure objects, luggage or
loads against slipping or tipping before the
journey.
! The trunk lid swings upwards when
opened. Therefore, make sure that there is
sufficient clearance above the trunk lid.
The opening dimensions of the trunk lid can
be found in the "Vehicle data" section
( Y
page 371).
You should preferably place luggage or loads
in the trunk. Observe the loading guidelines
( Y
page 272).
Do not leave the SmartKey in the trunk. You
could otherwise lock yourself out.
The trunk lid can be: R
opened and closed manually from outside R
opened automatically from outside R
opened automatically from inside R
released with the emergency release from
the inside
Opening/closing from outside
Opening X
Press the 6 button on the key. X
Pull handle C . X
Raise the trunk lid.
Closing X
Pull down the trunk lid using handle C .X
Let the trunk lid drop into the lock. X
If necessary, lock the vehicle with the 7
button on the SmartKey or with KEYLESS-
GO.
Opening automatically from outside
Important safety notes
G WARNING
Combustion engines emit poisonous exhaust
gases such as carbon monoxide. Exhaust
gases can enter the vehicle interior if the
trunk lid is open when the engine is running,
especially if the vehicle is in motion. There is a
risk of poisoning.
Always switch off the engine before opening
the trunk lid. Never drive with the trunk lid
open.
! The trunk lid swings upwards when
opened. Therefore, make sure that there is
sufficient clearance above the trunk lid.
i The opening dimensions of the trunk lid
can be found under "Vehicle data"
( Y
page 371).86
Trunk
Opening and closing