
1, 2, 3 ...
4ETS (Electronic Traction System) see ETS/4ETS (Electronic Trac-
tion System)
4MATIC (permanent four-wheel
drive) .................................................. 252
12 V socket
see Sockets
360° camera
Cleaning .........................................3 83
Display in the multimedia system .. 238
Function/notes ............................ .236 A
ABS (Anti-lock Braking System) Display message ............................ 301
Function/notes ................................ 70
Important safety notes .................... 70
Warning lamp ................................. 341
Accident
Automatic measures after an acci-
dent ................................................. 58
Activating/deactivating air-recir-
culation mode ................................... .145
Activating/deactivating cooling
with air dehumidification ................. 139
Active Blind Spot Assist
Activating/deactivating (on-
board computer) ............................ 291
Display message ............................ 326
Function/notes ............................ .247
Towing a trailer .............................. 249
Active Curve System
Display message ............................ 323
Function/notes ............................ .222
Active Driving Assistance package .. 247
Active Lane Keeping Assist
Activating/deactivating (on-
board computer) ............................ 291
Display message ............................ 325
Function/notes ............................ .250
Towing a trailer .............................. 252
Active light function ......................... 124
Active Parking Assist
Display message ............................ 326
Exiting a parking space .................. 231 Function/notes ............................
.228
Important safety notes .................. 228
Parking .......................................... 230
ADAPTIVE BRAKE ................................. 78
Adaptive Brake Assist
Function/notes ................................ 74
Adaptive brake lights .......................... 75
Adaptive Damping System
Function/notes ............................ .224
Adaptive Highbeam Assist Plus
Display message ............................ 315
Function/notes ............................ .126
Switching on/off ........................... 126
AdBlue ®
Display message ............................ 318
Filling capacity ............................... 439
Important safety notes .................. 439
Topping up ..................................... 180
Additives (engine oil) ........................ 440
Adjusting the headlamp range ......... 123
ADS (Adaptive Damping System)
Function/notes ............................ .221
Air conditioning
General notes ................................ 135
Air filter (white display message) .... 318
AIR FLOW .......................................... .141
Air pressure
see Tyre pressure
Air vents
Glove compartment ....................... 155
Important safety notes .................. 154
Rear ............................................... 155
Setting .......................................... .154
Setting the centre air vents ........... 155
Setting the side air vents .............. .155
Air-conditioning system
see Climate control
Airbag
Automatic front-passenger front
airbag deactivatio n .......................... 51
Introduction ..................................... 48
PASSENGER AIR BAG indicator
lamps ............................................... 44
Airbags
Display message ............................ 311
Front airbag (driver, front
passenger) ....................................... 49 Index
3

The ECO start/stop function switches the
engine off automatically if the vehicle is stopped
under certain conditions.
When pulling away again, the engine starts auto- matically. The ECO start/stop function thereby
helps you to reduce the fuel consumption and
emissions of your vehicle.
Important safety notes G
WARNING
If the engine is switched off automatically and you exit the vehicle, the engine is restarted
automatically. The vehicle may begin moving. There is a risk of accident and injury.
If you wish to exit the vehicle, always turn off
the ignition and secure the vehicle against
rolling away.
General notes :
ECO start/stop display
The ECO start/stop function is activated when-
ever you start the engine using the key or the
Start/Stop button.
If the è ECO symbol is shown in green in the
multifunction display, the ECO start/stop func-
tion switches the engine off automatically once
the vehicle stops moving.
If the ECO start/stop function has been man-
ually deactivated (Y page 163) or a malfunction
has caused the system to be deactivated, the
è ECO symbol is not displayed.
Mercedes-AMG vehicles: the ECO start/stop
function is only available in drive programs
Comfort andSlippery.
Automatic engine switch-off If the vehicle is braked to a standstill with the
transmission in Dor N, the ECO start/stop func-
tion switches off the engine automatically. The ECO start/stop function is operational and
the
è ECO symbol is displayed in green in the
multifunction display, if:
R the indicator lamp in the ECO button is lit
green
R none of the off-road programs are selected
R the outside temperature is within the range
that is suitable for the system
R the engine is at normal operating temperature
R the set temperature for the vehicle interior
has been reached
R the battery is sufficiently charged
R the system detects that the windscreen is not
misted up when the air-conditioning system is
switched on
R the bonnet is closed
R the driver's door is closed and the driver's
seat belt is fastened
If the conditions for automatic engine switch-off are not all met, the èECO symbol is shown in
yellow.
All of the vehicle's systems remain active when the engine is switched off automatically.
The HOLD function can be activated if the
engine has been switched off automatically. It isthen not necessary to continue applying the
brakes during the automatic stop phase. When
you depress the accelerator pedal, the engine
starts automatically and the braking effect of
the HOLD function is deactivated.
All vehicles (except Mercedes-AMG vehi-
cles): automatic engine switch-off can take
place a maximum of four times in a row (initial
switch-off, then three subsequent switch-offs).
The è ECO symbol is shown in yellow in the
multifunction display after the engine has been
started automatically for the fourth time. When
the è ECO symbol is shown in green in the
multifunction display, automatic engine switch-
off is again possible.
Mercedes-AMG vehicles: the number of con-
secutive automatic engine stops is unlimited.
Automatic engine start The engine is started automatically if:
R
you switch off the ECO start/stop function by
pressing the ECO button
R in transmission position Dor N, the brake
pedal is released and the HOLD function is not active 162
DrivingDriving and parking

R
you depress the accelerator pedal
R you engage reverse gear R
R you move the transmission out of position P
R you switch to the Sport PlusorSport drive
program (Mercedes-AMG vehicles)
R you activate manual gearshifting (Mercedes-
AMG vehicles)
R you switch to the Offroaddrive program
(vehicles without Off-Road Engineering pack- age)
R you switch to the OffroadorOffroad Plus
drive program (vehicles with Off-Road Engi-
neering package)
R you unfasten your seat belt or open the driv-
er's door
R the vehicle starts to roll
R the brake system requires this
R the temperature in the vehicle interior devi-
ates from the set range
R the system detects moisture on the wind-
screen when the air-conditioning system is
switched on
R the battery's charge status is too low
Shifting the transmission to position Pdoes not
start the engine.
If you shift the transmission from Rto D, the
ECO start/stop function is available again once
the è ECO symbol reappears in green in the
multifunction display.
Switching the ECO start/stop function
off/on All vehicles (except Mercedes-AMG vehi-
cles) X
To switch off: press ECO button :.
Indicator lamp ;and the èECO symbol
in the multifunction display go out. X
To switch on: press ECO button :.
Indicator lamp ;lights up. If all conditions
for automatic engine switch-off (Y page 162)
are fulfilled, the èECO symbol is shown in
green in the multifunction display.
If the conditions for automatic engine switch-
off (Y page 162) are not all fulfilled, the è
ECO symbol is shown in yellow in the multi-
function display. If this is the case, the ECO
start/stop function is not available.
If indicator lamp ;is off, the ECO start/stop
function has been deactivated manually or as
the result of a malfunction. The engine will then
not be switched off automatically when the vehi-
cle stops.
Mercedes-AMG vehicles X
To switch off: in theComfort drive program,
press ECO button :.
or X Activate manual gearshifting (Y page 172).
or X Switch to the Sport PlusorSport drive pro-
gram (Y page 166).
Indicator lamp ;and the èECO symbol
in the multifunction display go out.
X To switch on: press ECO button :.
Indicator lamp ;lights up. When the
Sport Plus orSport drive program is activa-
ted, the automatic transmission switches to
the Comfort drive program.
If all conditions for automatic engine switch-
off (Y page 162) are fulfilled, the èECO
symbol is shown in green in the multifunction display.
If not all conditions for automatic engine
switch-off (Y page 162) are fulfilled, the è
ECO symbol is shown in yellow. If this is the Driving
163Driving and pa rking Z