2016 MERCEDES-BENZ C CLASS child lock

Steering wheel ............................... 340
Trim pieces .................................... 340
Washing by hand ........................... 336
Wheels ........................................... 338
Windows ........................................ 338
Wiper blades .................................. 338
Wooden trim .................................. 340
Cargo tie down rings ......................... 313
CD
see also Digital Operator's Man-
ual .................................................. 298
CD player (on-board computer) ........ 244
Center console
Lower section ............................ 40, 41
Upper section .................................. 39
Central locking
Locking/unlocking (SmartKey) ........ 81
Changing bulbs
High-beam headlamps ................... 124
Low-beam headlamps .................... 123
Opening and closing the side trim
panels ............................................ 124
Reversing lamps ............................ 124
Turn signals (front) ......................... 124
Turn signals (rear) .......................... 124
Changing the media source ............. 243
Charge-air pressure (on-board
computer, Mercedes-AMG vehi-
cles) .................................................... 252
Charging
see Charging the high-voltage bat-
tery (important safety notes)
Charging cable
Connecting .................................... 173
Controls ......................................... 171
Important safety notes .................. 171
Indicator lamp ................................ 172
Removing ....................................... 173
Storing ........................................... 171
Warming up ................................... 170
Charging the high-voltage battery
(important safety notes) ................... 168
Child
Restraint system .............................. 63
Child seat
Forward-facing restraint system ...... 66 LATCH-type (ISOFIX) child seat
anchors ............................................ 64
On the front-passenger seat ............ 65
Rearward-facing restraint system .... 65
Top Tether ....................................... 64
Child-proof locks
Important safety notes .................... 66
Rear doors ....................................... 67
Children
Special seat belt retractor ............... 62
Cigarette lighter ................................ 319
Cle aning
Mirro r turn signal ........................... 339
Climate control
3-zone automatic control panel ..... 131
Control panel for automatic cli-
mate control (1 zone) .................... 130
Control panel for dual-zone auto-
matic climate control ..................... 130
Controlling automatically ............... 133
Cooling with air dehumidification .. 133
Cooling with air dehumidification
(multimedia system) ...................... 303
Defrosting the windows ................. 136
Defrosting the windshield .............. 135
ECO start/stop function (3-zone
automatic climate control) ............. 132
General notes ................................ 129
Immediate pre-entry climate con-
trol ................................................. 143
Indicator lamp ................................ 133
Ionization ....................................... 140
Ionization (multimedia system) ...... 303
Notes on using the automatic cli-
mate control .................................. 132
Overview ........................................ 302
Overview of systems ...................... 129
Perfume atomizer .......................... 138
Perfume atomizer (multimedia
system) .......................................... 303
Pre-entry climate control (via key)
(multimedia system) ...................... 303
Pre-entry climate control at
departure time ............................... 142
Pre-entry climate control at
departure time (multimedia sys-
tem) ............................................... 303
Pre-entry climate control via key ... 1416
Index

Lane Tracking package .................... .2 16
Lap time (RACETIMER) ..................... .2 53
LATCH-type (ISOFIX) child seat
anchors ................................................ 64
License plate lamp (display mes-
sage) ................................................... 267
Light function, active
Display message ............................ 267
Light sensor (display message) ....... 267
Lights
Adaptive Highbeam Assist ............. 120
Automatic headlamp mode ............ 118
Cornering light function ................. 120
Fogged up headlamps .................... 121
General notes ................................ 118
Hazard warning lamps ................... 120
High beam flasher .......................... 119
High-beam headlamps ................... 119
Light switch ................................... 118
Low-beam headlamps .................... 119
Parking lamps ................................ 119
Rear fog lamp ................................ 119
Setting exterior lighting ................. 118
Standing lamps .............................. 119
Switching the daytime running
lamps on/off (on-board com-
puter) ............................................. 250
Turn signals ................................... 119
see Interior lighting
Loading guidelines ............................ 308
Locking
see Central locking
Locking (doors)
Automatic ........................................ 89
Emergency locking ........................... 89
From inside (central locking but-
ton) ................................................. .8 8
Locking centrally
see Central locking
Low-beam headlamps
Changing bulbs .............................. 123
Display message ............................ 267
Switching on/off .......................... .1 19
Lumbar support
Adjusting the 4-way lumbar sup-
port ....... ......................................... 108 M M+S tires ............................................ 362
Malfunction message
see Display messages
Matte finish (cleaning instruc-
tions) ................................................. .3 37
Maximum charge current
Setting (charging cable) ................. 172
Setting (on-board computer) .......... 248
mbrace
Call priority ................................... .3 23
Display message ............................ 261
Downloading destinations
(COMAND) ..................................... 323
Downloading routes ....................... 326
Emergency call .............................. 320
General notes ................................ 320
Geo fencing ................................... 326
Locating a stolen vehicle .............. .3 25
MB info call button ........................ 322
Remote fault diagnosis .................. 325
Remote vehicle locking .................. 324
Roadside Assistance button .......... 321
Search & Send ............................... 323
Self-test ......................................... 320
Speed alert ................................... .3 26
System .......................................... 320
Triggering the vehicle alarm ........... 326
Vehicle remote unlocking .............. 324
Mechanical key
Function/notes ................................ 83
General notes .................................. 83
Inserting .......................................... 83
Locking vehicle ................................ 89
Removing ......................................... 83
Unlocking the driver's door .............. 89
Memory card (audio) ......................... 244
Memory function
Seats, steering wheel, exterior
mirrors .......................................... .1 16
Mercedes-Benz Intelligent Drive
360°camera .................................. 210
Active Blind Spot Assist ................. 219
Active Lane Keeping Assist ............ 222
Active Parking Assist ..................... 202
ATTENTION ASSIST ........................ 214
Blind Spot Assist ............................ 216 Index 13

Panic alarm X
To activate: press 3 button C for at
least one second.
A visual and audible alarm is triggered if the
alarm system is armed. X
To deactivate: press 3 button C again.
or X
Insert the SmartKey into the ignition lock.
or, in vehicles with KEYLESS-GO start-function
or KEYLESS ‑ GOX
Press the Start/Stop button.
The SmartKey must be in the vehicle.
Occupant safety
Introduction to the restraint system The restraint system can reduce the risk of vehi-
cle occupants coming into contact with parts of
the vehicle's interior in the event of an accident.
Furthermore, the restraint system may also
reduce the forces exerted on the vehicle occu-
pants when an accident occurs.
The restraint system includes: R
Seat belt system R
Air bags R
Child restraint system R
Child seat securing system
The components of the restraint system work in
conjunction with each other. They can only offer
the intended level of protection if all vehicle
occupants: R
are correctly wearing their seat belts.
( Y
page 49)R
adjust their seat and head restraint properly
( Y
page 104). The driver is also responsible for ensuring that
the steering wheel has been correctly posi-
tioned. Observe the information relating to the
correct driver's seat position ( Y
page 104).
Always ensure the air bag can inflate properly if
deployed ( Y
page 51).
An air bag supplements a correctly fastened
seat belt. As an additional safety device, the air
bag increases the level of protection for vehicle
occupants in the event of an accident. For exam-
ple, if the protection already provided by a cor-
rectly fastened seat belt will suffice, the air bags
are not deployed. Furthermore, only the air bags
that would increase the degree of protection
afforded to the vehicle occupants in the event of
an accident are deployed. Seat belts and air
bags generally do not protect against objects
penetrating the vehicle from the outside.
Information on restraint system operation can
be found under "Triggering of Emergency Ten-
sioning Devices and air bags" ( Y
page 58).
See “Children in the vehicle” for information on
children traveling with you as well as vehicle
restraint systems ( Y
page 62).
Important safety notes
G WARNING
Modifications to the restraint system may
cause it to no longer work as intended. The
restraint system may then not perform its
intended protective function and may fail in an
accident or trigger unexpectedly, for example.
This poses an increased risk of injury or even
fatal injury.
Never modify parts of the restraint system.
Never tamper with the wiring, the electronic
components or their software.
If it is necessary to modify an air bag system to
accommodate a person with disabilities, con-
tact an authorized Mercedes-Benz Center for
details. USA only: for further information con-
tact our Customer Assistance Center at
1-800-FOR-MERCedes (1 ‑ 800 ‑ 367 ‑ 6372).
Restraint system warning lamp
The functions of the restraint system are
checked after the ignition is switched on and at46
Occupant safety
Safety

regular intervals while the engine is running.
Therefore, malfunctions can be detected in
good time.
The u restraint system warning lamp in the
instrument cluster lights up when the ignition is
switched on. It goes out no later than a few sec-
onds after the vehicle is started. The compo-
nents of the restraint system are in operational
readiness.
A malfunction has occurred if the u 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 restraint system is malfunctioning, restraint
system components may be triggered unin-
tentionally or might not be triggered at all in
the event of an accident with a high rate of
vehicle deceleration. This can affect the Emer-
gency Tensioning Device or air bag, for exam-
ple. This poses an increased risk of injury or
even fatal injury.
Have the restraint system checked and
repaired in a qualified specialist workshop as
soon as possible.
Hybrid vehicles:
G DANGER
If the restraint system is malfunctioning, indi-
vidual restraint system components may be
triggered unintentionally or might not be trig-
gered at all in the event of an accident with a
high rate of vehicle deceleration. This could
affect Emergency Tensioning Devices or air
bags, for example. The vehicle's high-voltage
electrical system may also not be deactivated
as intended in the event of an accident. You
could suffer an electric shock if you touch the
damaged components of the vehicle's high-
voltage electrical system. This poses an
increased risk of injury or even fatal injury.
Have the restraint system checked and
repaired immediately at a qualified specialist workshop. Immediately switch off the ignition
and remove the SmartKey from the ignition
lock after an accident.
PASSENGER AIR BAG indicator lamp
PASSENGER AIR BAG ON indicator lamp C and
PASSENGER AIR BAG OFF indicator lamp D are
part of the Occupant Classification System
(OCS).
The indicator lamps display the status of the
front-passenger front air bag. R
PASSENGER AIR BAG ON lights up: the front-
passenger front air bag is enabled. If, in the
event of an accident, all deployment criteria
are met, the front-passenger front air bag is
deployed. R
PASSENGER AIR BAG OFF lights up: the front-
passenger front air bag is deactivated. It will
then not be deployed in the event of an acci-
dent.
Depending on the person in the front-passenger
seat, the front-passenger front air bag must
either be deactivated or enabled; see the fol-
lowing points. You must make sure of this both
before and during a journey. R
Children in a child restraint system:
whether the front-passenger front air bag is
enabled or deactivated depends on the instal-
led child restraint system, and the age and
size of the child. Therefore, be sure to observe
the notes on the "Occupant Classification
System (OCS)" ( Y
page 54) and on "Chil-
dren in the vehicle" ( Y
page 62). There you
will also find instructions on rearward and
forward-facing child restraint systems on the
front-passenger seat. R
All other persons: depending on the classi-
fication of the person in the front-passengerOccupant safety 47
Safety Z

seat, the front-passenger front air bag is ena-
bled or deactivated ( Y
page 54). Be sure to
observe the notes on "Seat
belts“ ( Y
page 48) and "Air bags"
( Y
page 51). There you can also find infor-
mation on the correct seat position.
Seat belts
Introduction A correctly fastened seat belt is the most effec-
tive means of restraining the movement of vehi-
cle occupants in the event of an accident or the
vehicle rolling over. This reduces the risk of
vehicle occupants coming into contact with
parts of the vehicle interior or being thrown from
the vehicle. Furthermore, the seat belt helps to
keep the vehicle occupants in the best position
in relation to the air bag.
The seat belt system consists of: R
Seat belts R
Emergency Tensioning Devices for the front
seat belts and the outer seat belts in the rear
compartment R
Seat belt force limiters for the front seat belts
and the outer seat belts in the rear
If the seat belt is pulled quickly or suddenly from
the belt outlet, the inertia reel locks. The belt
strap cannot be pulled out further.
Emergency Tensioning Devices tighten the seat
belts in an accident, pulling them close against
the occupant's body. They do not, however, pull
vehicle occupants back towards the backrest.
Emergency Tensioning Devices do not correct
an incorrect seat position or incorrectly worn
seat belts.
When triggered, the seat belt force limiter
reduces the force exerted by the seat belt on the
vehicle occupant.
The seat belt force limiters for the front seats are
synchronized with the front air bags, which
absorb part of the deceleration force. This
makes it possible to reduce the forces to which
vehicle occupants are subjected during an acci-
dent.
! If the front-passenger seat is unoccupied,
do not insert the belt tongue into the buckle of
the front-passenger seat. This may otherwise
lead to the triggering of the Emergency Ten-
sioning Device in the event of an accident,
which will then need to be replaced. Important safety notes The use of seat belts and child restraint systems
is required by law in: R
all 50 states R
the U.S. territories R
the District of Columbia R
all Canadian provinces
Even where this is not required by law, all vehicle
occupants should correctly fasten their seat
belts before starting the journey.
G WARNING
If the seat belt is incorrectly fastened, it can-
not protect as intended. Furthermore, an
incorrectly fastened seat belt can cause addi-
tional injury, for example, in an accident, dur-
ing braking or when abruptly changing direc-
tion. This poses an increased risk of injury or
even fatal injury.
Make sure that all vehicle occupants are
seated properly with a correctly fastened seat
belt.
G WARNING
The seat belt does not offer the intended level
of protection if you have not moved the back-
rest to an almost vertical position. When brak-
ing or in the event of an accident, you could
slide underneath the seat belt and sustain
abdomen or neck injuries, for example. This
poses an increased risk of injury or even fatal
injury.
Adjust the seat properly before beginning
your journey. Always ensure that the backrest
is in an almost vertical position and that the
shoulder section of your seat belt is routed
across the center of your shoulder.
G WARNING
Persons under 5 ft (1.50 m) in height cannot
fasten the seat belt correctly without an addi-
tional suitable restraint system. If the seat
belt is incorrectly fastened, it cannot protect
as intended. Furthermore, an incorrectly fas-
tened seat belt can cause additional injury, for
example, in an accident, during braking or an48
Occupant safety
Safety

Window curtain air bags
Window curtain air bags C are integrated into
the side of the roof frame and deployed in the
area from the A-pillar to the C-pillar.
When deployed, the window curtain air bag
enhances the level of protection for the head.
However, it does not protect the chest or arms.
In the event of a side impact, the window curtain
air bag is deployed on the side on which the
impact occurs.
If the system determines that they can offer
additional protection to that provided by the
seat belt, a window curtain air bag may be
deployed in other accident situations
( Y
page 58).
Occupant Classification System
(OCS)
Introduction The Occupant Classification System (OCS) cat-
egorizes the person in the front-passenger seat.
Depending on that result, the front-passenger
front air bag is either enabled or deactivated.
The system does not disable: R
the side impact air bag R
the window curtain air bag R
the Emergency Tensioning Devices
Prerequisites
To be classified correctly, the front passenger
must sit: R
with the seat belt fastened correctly R
in an almost upright position with their back
against the seat backrest R
with their feet resting on the floor, if possible If the front passenger does not observe these
conditions, OCS may produce a false classifica-
tion, e.g. because the front passenger: R
transfers their weight by supporting them-
selves on a vehicle armrest R
sits in such a way that their weight is raised
from the seat cushion
If it is absolutely necessary to install a child
restraint system on the front-passenger seat, be
sure to observe the correct positioning of the
child restraint system. Never place objects
under or behind the child restraint system, e.g.
cushions. Fully retract the seat cushion length.
The entire base of the child restraint system
must always rest on the seat cushion of the
front-passenger seat. The backrest of the
forward-facing child restraint system must lie as
flat as possible against the backrest of the front-
passenger seat.
The child restraint system must not touch the
roof or be subjected to a load by the head
restraint. Adjust the angle of the seat backrest
and the head restraint position accordingly.
Only then can OCS be guaranteed to function
correctly. Always observe the child restraint sys-
tem manufacturer's installation instructions.
Occupant Classification System opera-
tion (OCS)
C
PASSENGER AIR BAG ON indicator lamp
D
PASSENGER AIR BAG OFF indicator lamp
The indicator lamps inform you whether the
front-passenger front air bag is deactivated or
enabled. X
Press the Start/Stop button once or twice, or
turn the SmartKey to position 1 or 2 in the
ignition lock.
The system carries out self-diagnostics.54
Occupant safety
Safety

Children in the vehicle
Important safety notes Accident statistics show that children secured
in the rear seats are safer than children secured
in the front-passenger seat. For this reason,
Mercedes-Benz strongly advises that you install
a child restraint system on a rear seat. Children
are generally better protected there.
If a child younger than twelve years old and
under 5 ft (1.50 m) in height is traveling in the
vehicle: R
always secure the child in a child restraint
system suitable for Mercedes-Benz vehicles.
The child restraint system must be appropri-
ate to the age, weight and size of the child R
be sure to observe the instructions and safety
notes in this section in addition to the child
restraint system manufacturer's installation
instructions R
be sure to observe the instructions and safety
notes on the "Occupant Classification System
(OCS)" ( Y
page 54)
G WARNING
If you leave children unsupervised in the vehi-
cle, they could set it in motion by, for example: R
release the parking brake. R
shift the automatic transmission out of the
parking position P .R
start the engine.
In addition, they may operate vehicle equip-
ment and become trapped. 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 unsupervised in the vehicle.
G WARNING
If persons, particularly children are subjected
to prolonged exposure to extreme heat or
cold, there is a risk of injury, possibly even
fatal. Never leave children unattended in the
vehicle.
G WARNING
If the child restraint system is subjected to
direct sunlight, parts may get very hot. Chil- dren may burn themselves on these parts,
particularly on the metal parts of the child
restraint system. There is a risk of injury.
If you leave the vehicle, taking the child with
you, always ensure that the child restraint
system is not exposed to direct sunlight. Pro-
tect it with a blanket, for example. If the child
restraint system has been exposed to direct
sunlight, let it cool down before securing the
child in it. Never leave children unattended in
the vehicle.
Always ensure that all vehicle occupants have
their seat belts fastened correctly and are sitting
properly. Particular attention must be paid to
children.
Observe the safety notes on the seat belt
( Y
page 48 )a nd the notes on correct use of seat
belts ( Y
page 49).
A booster seat may be necessary to achieve
proper seat belt positioning for children over
41 lb s( 18 kg) until they reach a height where a
three-point seat belt can be properly fastened
without a booster seat.
Special seat belt retractor
G WARNING
If the seat belt is released while driving, the
child restraint system will no longer be
secured properly. The special seat belt retrac-
tor is disabled and the inertia real draws in a
portion of the seat belt. The seat belt cannot
be immediately refastened. There is an
increased risk of injury, possibly even fatal.
Stop the vehicle immediately, paying atten-
tion to road and traffic conditions. Reactivate
the special seat belt retractor and secure the
child restraint system properly.
All seat belts in the vehicle, except the driver's
seat belt, are equipped with a special seat belt
retractor. When activated, the special seat belt
retractor ensures that the seat belt cannot
slacken once the child seat is secured.62
Children in the vehicle
Safety

information on the "Occupant Classification
System (OCS)" ( Y
page 54). There you will also
find information on deactivating the front-
passenger front air bag.
All child restraint systems must meet the fol-
lowing standards: R
U.S. Federal Motor Vehicle Safety Standards
213 and 225 R
Canadian Motor Vehicle Safety Standards
213 and 210.2
Confirmation that the child restraint system cor-
responds to the standards can be found on an
instruction label on the child restraint system.
This confirmation can also be found in the instal-
lation instructions that are included with the
child restraint system.
Observe the warning labels in the vehicle inte-
rior and on the child restraint system.
LATCH-type (ISOFIX) child seat secur-
ing system
G WARNING
LATCH-type (ISOFIX) child restraint systems
do not offer sufficient protective effect for
children whose weight is greater than 48 lbs
(22 kg) who are secured using the safety belt
integrated in the child restraint system. In the
event of an accident, a child might not be
restrained correctly. This poses an increased
risk of injury or even fatal injury.
If the child weighs more than 48 lbs (22 kg),
only use LATCH-type (ISOFIX) child restraint
systems with which the child is also secured
with the vehicle seat belt. Also secure the
child restraint system with the Top Tether
belt, if available.
Always comply with the manufacturer's instal-
lation and operating instructions for the child
restraint system used.
Before every trip, make sure that the LATCH-
type (ISOFIX) child restraint system is engaged
correctly in both LATCH-type (ISOFIX) securing
rings
! When installing the child restraint system,
make sure that the seat belt for the middle
seat does not get trapped. The seat belt could
otherwise be damaged. Vehicles with rear seat armrest: adjust the
rear seat armrest so that LATCH-type (ISOFIX)
securing rings C for the LATCH-type (ISOFIX)
child restraint system are accessible. X
Install the LATCH-type (ISOFIX) child restraint
system on both LATCH-type (ISOFIX) securing
rings C .
ISOFIX is a standardized securing system for
specially designed child restraint systems on
the rear seats. LATCH-type (ISOFIX) securing
rings for two LATCH-type (ISOFIX) child restraint
systems are installed on the left and right of the
rear seats.
Non-LATCH-type (ISOFIX) child seats may also
be used and can be installed using the vehicle's
seat belt system. Install the child seat according
to the manufacturer's instructions.
Top Tether
Introduction Top Tether provides an additional connection
between the child restraint system secured with
a LATCH-type (ISOFIX) system and the vehicle.
This helps reduce the risk of injury even further.
If the child restraint system is equipped with a
Top Tether belt, this should always be used.
Important safety notes
G WARNING
If the rear seat backrests are not locked, they
could fold forwards in the event of an acci-
dent, heavy braking or sudden changes of
direction. As a result, child restraint systems
cannot perform their intended protective
function. Rear seat backrests that are not
locked can also cause additional injuries, e.g.64
Children in the vehicle
Safety