
Headlamp
Cleaning system (notes) ............... .477
Headlamp flasher .............................. 137
Headlamps
Misting up ...................................... 140
see Automatic headlamp mode
Heating
see Climate control
High-pressure cleaners .................... 402
High-voltage battery
Charge leve l................................... 276
Charging ........................................ 420
Charging (on-board computer) ....... 277
General notes .................................. 43
Vehicle fire ....................................... 43
Hill start assist .................................. 189
HOLD function
Activating ....................................... 237
Deactivating ................................... 237
Display message ............................ 342
Function/note s............................. 236
Horn ...................................................... 32
Hybrid drive
Displaying the total range .............. 279
Generated electrical energy ........... 279
Hybrid operation
AGILITY SELECT switch .................. 280
Automatic engine start (ECO
Start/Stop function) ...................... 283
Automatic engine switch-off (ECO
start/stop function) ....................... 283
Driving tips .................................... 281
ECO start/stop function ................ 282
Energy flow display ........................ 276
Extended overrun mod e................. 283
Fuel consumption .......................... 279
General notes ................................ 272
Important safety notes .................. 273
Manual gearshifting ....................... 281
Noiseless start ............................... 280
Operating (on-board computer) ..... 276
Overrun mode ................................ 283
Overview (instrument cluster) ........ 275
Power display (electric motor) ....... 275
Problems ....................................... 285
Pulling away ................................... 280
RBS (Recuperative Brake Sys-
tem) ............................................... 273 Resetting values (Audio 20) ........... 279
Resetting values (COMAND
Online) ........................................... 279
Starting the engine ........................ 279
Hybrid system
Automatic deactivation .................... 42
Danger of electric shock .................. 42
Display message ............................ 338
High-voltage battery ........................ 43
Important safety notes .................... 42
Manual deactivation ......................... 43
Opening the bonnet ......................... 44
Overview ........................................ 274
Problems (malfunctions) ................ 285
READY indicator ............................. 279
Warning lamp ................................. 364
Hybrid vehicle
Climate control (THERMATIC) ........ 157
Climate control
(THERMOTRONIC) .......................... 160
Hybrid vehicles
Important safety notes .................... 42 I
Ignition lock see Key positions
Immobiliser .......................................... 86
Indicator and warning lamp
Restraint system ............................ 361
Indicator and warning lamps
COLLISION PREVENTION ASSIST
PLUS .............................................. 365
Coolant .......................................... 362
Engine diagnostics ......................... 362
Indicator lamps
Display message ............................ 332
see Warning and indicator lamps
Indicators
see Turn signals
Insect protection on the radiator .... 396
Instrument cluster
Overview .......................................... 34
Power display ................................ 275
Warning and indicator lamps ........... 35
Instrument cluster lighting .............. 294
Intelligent Light System
Activating/deactivating ................. 313 Index
13 

Display message ............................ 333
Overview ........................................ 138
Setting the dipped-beam head-
lamps for driving on the right/left .. 313
Interior lighting
Control ........................................... 141
Emergency lighting ........................ 141
Overview ........................................ 140
Reading lamp ................................. 140
Interior motion sensor
Deactivating .................................... .88
Function ........................................... 88
Priming ............................................ 88
Switching off .................................... 88
Internal combustion engine
Malfunction .................................... 285
ISOFIX child seat securing system .... 65J
Jack Storage location ............................ 411
Using ............................................. 443
Jump starting (engine) ...................... 422K
Key Changing the battery ....................... 94
Checking the battery ....................... 94
Convenience closing feature .......... 108
Convenience opening feature ........ 108
Display messag e............................ 352
Door central locking/unlocking ....... 91
Emergency key element ................... 93
Important safety notes .................... 90
KEYLESS-GO start function .............. 92
Loss ................................................. 95
Modifying the programming ............. 92
Overview .......................................... 90
Positions (ignition lock) ................. 185
Problem (malfunction) ..................... 95
Starting the engine ........................ 188
Key positions
Key ................................................ 185
Start/Stop button .......................... 185
KEYLESS-GO
Convenience closing ...................... 109
Deactivation ..................................... 91 Locking ............................................ 91
Removing the Start/Stop button ... 186
Unlocking ......................................... 91
Kickdown
Driving tips .................................... 200
Kneebag ............................................... 53 L
Lamps see Warning and indicator lamps
Lane Keeping Assist
Activating/deactivating (on-
board computer) ............................ 311
Display message ............................ 340
Function/information .................... 265
see Active Lane Keeping Assist
Lane package ..................................... 263
Lashing eyelets ................................. 376
Licence plate lamp (display mes-
sage) ................................................... 333
Light sensor (display message) ....... 334
Lighting
see Lights
Lights
Activating/deactivating the Intel-
ligent Light System ........................ 313
Active light function ....................... 138
Adaptive Highbeam Assist PLUS .... 139
Automatic headlamp mode ............ 135
Cornering light function ................. 138
Dipped-beam headlamp s............... 135
Driving abroad ............................... 134
Foglamps (extended range) ........... 139
Hazard warning lamps ................... 137
Headlamp flashe r........................... 137
Headlamp range ............................ 136
Intelligent Light System (func-
tion) ............................................... 138
Light switch ................................... 134
Main-beam headlamp s................... 137
Misted up headlamp s.................... 140
Motorway mode ............................. 138
Parking lamps ................................ 136
Rear foglamp ................................. 135
Setting exterior lighting ................. 134
Side lamps ..................................... 136
Turn signals ................................... 137 14
Index 

Cockpit
Function Page
:
Steering wheel gearshift
paddles
202
;
Combination switch 137
=
Horn
?
Instrument cluster 34
A
DIRECT SELECT lever 197
B
Climate control systems 152
C
Overhead control panel 39
D
Control panel for COMAND
Online and vehicle func-
tions
37
E
Ignition lock 185
Start/Stop button 185
F
Adjusts the steering wheel 125
G
Cruise control lever 220 Function Page
H
Electric parking brake 213
I
Diagnostics connection 27
J
Opens the bonnet 395
K
Light switch 134
L
Control panel for:
Activating Steering Assist 234
Activating Active Lane
Keeping Assist 269
Deactivating PARKTRONIC 240
Switching on 360° camera 253
Switching on the head-up
display
297
Vehicles without a driver
assistance system: map/
coin holder32
CockpitAt a glance 

Function Page
:
Overhead control panel 39
;
Climate control systems 152
=
Combination switch 137
?
Instrument cluster 34
A
Horn
B
DIRECT SELECT lever 197
C
Steering wheel gearshift
paddles
202
D
Control panel for:
Activating Steering Assist 234
Activating Active Lane
Keeping Assist
269
Deactivating PARKTRONIC 240
Switching on 360° camera 253
Switching on the head-up
display
297
Vehicles without a driver
assistance systems: map/
coin holder Function Page
E
Light switch 134
F
Opens the bonnet 395
G
Diagnostics connection 27
H
Electric parking brake 213
I
Ignition lock 185
Start/Stop button 185
J
Adjusts the steering wheel 125
K
Cruise control lever 220
L
Control panel for COMAND
Online and vehicle func-
tions
37Cockpit
33At a glance 

Useful information
i This Owner's Manual describes all mod-
els, series and optional equipment for your
vehicle that were available at the time of
going to press. National variations are pos- sible. Note that your vehicle may not be
equipped with all of the functions descri-
bed. This is also the case for systems and
functions relevant to safety.
i Read the information on qualified special-
ist workshops: (Y page 27). Hybrid vehicles
General notes
Hybrid technology combines a fuel-efficient
internal combustion engine with a powerful
electric motor. Important safety notes
Danger of electric shock G
DANGER
The vehicle's high voltage electrical system is under high voltage. If you modify components
in the vehicle's high-voltage electrical system or touch damaged components, you may be
electrocuted. The components in the vehi-
cle's high-voltage electrical system may be
damaged in an accident, although the damage
is not visible. There is a risk of fatal injury.
Do not touch any high-voltage components
after an accident and never modify the vehi-
cle's high-voltage electrical system. Have the vehicle towed away after an accident and the vehicle's high-voltage electrical system
checked by a qualified specialist workshop. When towing a vehicle after an accident, be
sure to observe the following sections:
R Transporting the vehicle (Y page 427)
R Towing the vehicle with the rear axle raised
(Y page 426)
R Towing the vehicle with both axles on the
ground (Y page 427)
Read the safety instructions on towing and
tow-starting (Y page 424). All components of the hybrid system are
marked with yellow warning stickers that
warn you of the danger of high voltage. The
cables of the vehicle's high-voltage electrical
system are orange in colour.
The ignition must be switched off when car-
rying out general tasks, such as changing
bulbs or checking the coolant level.
Automatic deactivation of the hybrid
system G
DANGER
If the restraint system is malfunctioning,
restraint system components may be trig-
gered unintentionally or might not be trig-
gered at all in the event of an accident with a high rate of vehicle deceleration. This can
effect belt tensioners or airbags, for example. In addition, the vehicle's high-voltage electri-
cal system may not be deactivated as inten-
ded in the event of an accident. Touching
damaged components of the vehicle's high-
voltage electrical system could result in an
electric shock. There is an increased risk of
injury, possibly even fatal. 42
Hybrid vehiclesSafety 

Have the restraint system checked and
repaired immediately at a qualified specialist
workshop. After an accident, immediately
switch the ignition off and remove the key
from the ignition lock.
If components of the restraint system are
activated during an accident, the hybrid sys-
tem is automatically deactivated.
The hybrid system is not activated when the
vehicle is started if:
R a short circuit is detected in the hybrid sys-
tem.
R a hybrid system electrical connection is
disconnected.
This ensures that you do not come into con-
tact with high voltage.
Manual deactivation of the hybrid sys-
tem The hybrid system can be deactivated man-
ually using the high voltage switch-off device.
! To prevent damage to the hybrid system
please observe the following instructions:
R only deactivate the hybrid system man-
ually in the following situations.
R work on the hybrid system may only be
carried out at a qualified specialist work-
shop, even when it has been deactivated
manually.
R if the 6 restraint system warning lamp
in the instrument cluster lights up after an
accident.
R if the vehicle is badly damaged, e.g. after an
accident, and the restraint system compo-
nents were not activated.
R if the vehicle is badly damaged and has to
be towed or transported.
X If possible, move the vehicle out of the
danger zone: shift the automatic transmis-
sion into position N.
X Release the electric parking brake.
X Roll the vehicle to a safe place and park it
safely. Get assistance from others if necessary.
The vehicle is locked automatically when the
ignition is switched on and the wheels are
turning. There is therefore a risk of being
locked out if the vehicle is being pushed or
tested on a dynamometer.
X Switch the ignition off.
X Shift the automatic transmission to park
position P.
Apply the electric parking brake
(Y page 213).
Secure the vehicle to prevent it from rolling
away (Y page 443).
X To use the high-voltage switch-off
device: open the bonnet. X
Press release clip :in the direction of the
arrow and pull it out.
X Pull high voltage switch-off device ;apart
until it engages in the stop position.
High-voltage battery G
WARNING
In the event of a vehicle fire, the internal pres- sure of the high-voltage battery could exceeda critical value. In this case, flammable gas
escapes through a vent valve in the vehicle's
underbody. The gas can ignite. There is a risk
of injury.
Leave the danger area immediately. Secure
the danger area at a suitable distance, whilst
observing legal requirements. Hybrid vehicles
43Safety Z 

G
WARNING
If the housing of the high-voltage battery has
been damaged, electrolyte and gases may
leak out. These are poisonous and caustic.
There is a risk of injury.
Avoid contact with the skin, eyes or clothing. Immediately rinse electrolyte splashes off
with water and seek medical attention
straight away.
! Exhaustive discharge caused by the vehi-
cle standing idle for lengthy periods can
damage the high-voltage battery.
If the vehicle is idle for lengthy periods, run
it for a few minutes once every six weeks to
charge up the high-voltage battery.
During the charging process, switch off all
electrical consumers, e.g. the automatic
climate control or the seat heating.
Information on charging the high-voltage bat-
tery (Y page 420).
Engine compartment Before opening the bonnet:
X Apply the electric parking brake.
X Shift the automatic transmission to park
position P.
X Switch the ignition off.
X Remove the key from the ignition lock.
or, in vehicles with KEYLESS-GO start-func-
tion or KEYLESS ‑GO
X Remove the Start/Stop button from the
ignition lock.
X Observe the warning notes on the risk of
electric shock (Y page 42).
X Observe the warning notes about the bon-
net (Y page 395). RBS driving safety system (Recupera-
tive Brake System)
RBS supports you when braking with an elec-
tronically-controlled brake boost mode and enables the recovery of kinetic energy (recu-
peration).
For further information on the RBS system
(Y page 273). Panic alarm
X
To activate: press!button :for
approximately one second.
An alarm sounds and the exterior lighting
flashes.
X To deactivate: press!button :
again.
or
X Insert the key into the ignition lock.
or, in vehicles with KEYLESS-GO start-func-
tion or KEYLESS ‑GO
X Press the Start/Stop button.
The key must be in the vehicle.
The panic alarm function is only available in
certain countries. Occupant safety
Introduction to the restraint system
The restraint system reduces the risk of vehi- cle occupants coming into contact with parts
of the vehicle's interior in the event of an
accident. The restraint system can also
reduce the forces to which vehicle occupants
are subjected during an accident. 44
Occupant safetySafety 

The restraint system includes:
R seat belt system
R airbags
R child restraint system
R child seat securing systems
The components of the restraint system are
complementary. They can offer maximum
protection only when all vehicle occupants:
R secure their seat belts correctly
(Y page 48)
R adjust the seat and head restraints prop-
erly (Y page 119)
As the driver, you must also make sure that
the steering wheel is adjusted correctly.
Observe the information on the correct driv-
er's seat position (Y page 118).
Additionally, you must make sure that the air- bag can inflate without restriction if deployed
(Y page 51).
An airbag is supplementary to a correctly fas-
tened seatbelt. An airbag, as an additional
safety device, provides greater protection for vehicle occupants in an accident situation. If
the seat belts offer sufficient protection in the
event of an accident, for example, the airbags
will not be deployed. Also, only the airbags
which are deemed to offer protection in the
corresponding accident situation are
deployed. However, seat belts and airbags
generally do not protect against objects pen-
etrating the vehicle from the outside.
Information on how the restraint system
operates can be found in "Deployment of the seat belt tensioner and airbags"
(Y page 60).
See "Children in the vehicle" (Y page 63) for
further information on infants and children
travelling in the vehicle as well as on child
restraint systems. Important safety notes
G
WARNING
If the restraint system is modified, it may no
longer work as intended. The restraint system
may then not perform its intended protective function by failing in an accident or triggering
unexpectedly, for example. There is an
increased risk of injury, possibly even fatal.
Never modify parts of the restraint system. Do not attempt to modify the wiring as well as
electronic components or their software.
If it is necessary to modify an airbag system
for a person with physical disabilities, contact a Mercedes-Benz Service Centre for details. Restraint system warning lamp
The functions of the restraint system are
checked after the ignition is switched on and at regular intervals while the engine is run-
ning. Therefore, malfunctions can be detec-
ted in good time.
The 6 restraint system warning lamp in
the instrument cluster lights up when the igni- tion is switched on. It goes out no later than afew seconds after the vehicle is started. The
components of the restraint system are in
operational readiness.
A malfunction has occurred if the 6
restraint system warning lamp:
R does not light up after the ignition is
switched on
R does not go out after a few seconds with
the engine running
R lights up again while the engine is running
All vehicles, except hybrid vehicles: G
WARNING
If the restraint system is malfunctioning,
restraint system components may be trig-
gered unintentionally or might not be trig-
gered at all in the event of an accident with a high rate of vehicle deceleration. This can
effect belt tensioners or airbags, for example. Occupant safety
45Safety
Z