2016 MERCEDES-BENZ CLS ignition

Display messages
Possible causes/consequences and P Solutions
Front Passenger Air ‐
bag Disabled
See Operator' s Man ‐
ual The front-passenger air bag and front-passenger knee bag are deac -
tivated during th e journey, although:R
an adult
or R
a person of th e correspondin g statur e is on th e front-passenger seat
If additional force s are applie d to th e seat , th e system may interpret
th e occupant's weigh t as lower than it actually is.
G WARNIN G
The front-passenger fron t air bag and fron t passenger knee bag may
no t be triggered in th e event of an accident.
There is an increased ris k of injury.X
Pull ove r and stop th e vehicl e safely as soo n as possible, payin g
attention to roa d and traffic conditions.X
Secur e th e vehicl e against rollin g away ( Y
page 146).X
Switc h th e ignition off .X
Hav e th e occupant get out of th e vehicle.X
Kee p th e seat unoccupied , close th e front-passenger door and
switch on th e ignition .X
Observ e th e PASSENGER AI R BA G OF F indicator lamp in th e center
console and th e multifunction display and chec k th e following:
Seat unoccupied and ignition switched on :R
a self-diagnosis is carrie d out . The PASSENGER AI R BA G OF F and
PASSENGER AI R BA G ON indicator lamp s mus t ligh t up simulta-
neousl y for approximately six seconds R
th e PASSENGER AI R BA G O F F indicator lamp mus t then ligh t up
and remain lit after th e self-diagnosis . If th e indicator lamp is on ,
OCS (Occupant Classification System) has disabled th e front-
passenger fron t air bag and front-passenger knee bag
( Y
page 49 ) R
th e Front Passenger Airbag Enable d See Operator' s
Manual or Front Passenger Airbag Disabled See Opera‐
tor's Manual display message s mus t no t be shown in th e mul-
tifunction display X
Wait for a period of at least 60 seconds until th e necessar y system
checks hav e been completed.X
Mak e sur e that th e display message s do no t appear in th e multi-
function display.
If these condition s are fulfilled , th e front-passenger seat can be occu-
pied again . Whether th e PASSENGER AI R BA G OF F indicator lamp
remain s lit or goe s out depend s on how OCS classifies th e occupant .
If th e condition s are no t fulfilled , th e system is no t operating correctly.X
Visit a qualified specialist workshop immediately.
Observ e th e additional information on OCS ( Y
page 49).
Front Passenger Air ‐
bag Enable d The front-passenger air bag and front-passenger knee bag are enabled
during th e journey, eve n though :Display messages 21 9
On-board computer and displays Z

Display messages
Possible causes/consequences and P Solutions
See Operator' s Man ‐
ual R
a child, a small adult or an objec t weighing less than th e system' s
weigh t threshold is locate d on th e front-passenger seat
or R
th e front-passenger seat is unoccupied
The system may detec t objects or force s applyin g additional weigh t on
th e seat .
G WARNIN G
The front-passenger fron t air bag and front-passenger knee bag may
be triggered unintentionally.
There is an increased ris k of injury.X
Pull ove r and stop th e vehicl e safely as soo n as possible, payin g
attention to roa d and traffic conditions.X
Secur e th e vehicl e against rollin g away ( Y
page 146).X
Switc h th e ignition off .X
Ope n th e front-passenger door .X
Remove th e child and th e child restrain t system from th e front-
passenger seat .X
Mak e sur e that there are no objects on th e seat addin g to th e
weight.
The system may otherwise detec t th e additional weigh t and inter-
pre t th e seat occupant's weigh t as greate r than it actually is.X
Kee p th e seat unoccupied , close th e front-passenger door and
switch on th e ignition .X
Observ e th e PASSENGER AI R BA G OF F indicator lamp in th e center
console and th e multifunction display and chec k th e following:
Seat unoccupied and ignition switch ed o n :R
a self-diagnosis is carrie d out . The PASSENGER AI R BA G OF F and
PASSENGER AI R BA G ON indicator lamp s mus t ligh t up simultane -
ousl y for approximately six seconds R
th e PASSENGER AI R BA G OF F indicator lamp mus t then ligh t up and
remain lit after th e self-diagnosis . If th e indicator lamp is on , OCS
has deactivated th e front-passenger fron t air bag and front-
passenger knee bag ( Y
page 49 )R
th e Front Passenger Airbag Enable d See Operator' s Man ‐
ual or Front Passenger Airbag Disabled See Operator' s
Manual display message s mus t no t be shown in th e multifunction
display X
Wait for a period of at least 60 seconds until th e necessar y system
checks hav e been completed.X
Mak e sur e that th e display message s do no t appear in th e multi-
function display.
If these condition s are fulfilled , th e front-passenger seat can be occu-
pied again . Whether th e PASSENGER AI R BA G OF F indicator lamp
remain s lit or goe s out depend s on how OCS classifies th e occupant .
If th e condition s are no t fulfilled , th e system is no t operating correctly.X
Visit a qualified specialist workshop immediately.
Observ e th e additional information on OCS ( Y
page 49).220
Display messages
On-board computer and displays

Glare from the side X
Fold down sun visor C .X
Pull sun visor C out of retainer D .X
Swing sun visor C to the side.X
Slide sun visor C horizontally as required.
Rear window roller sunblind
Important safety notes
G WARNING
Parts of the body could be trapped in the
sweep of the roller sunblind when the roller
sunblind is extended or retracted. There is a
risk of injury.
When extending or retracting make sure that
no parts of the body are in the sweep of the
roller sunblind. Briefly press the button again
if someone becomes trapped. The opening or
closing process is briefly stopped. The roller
sunblind then returns to its initial position.
! Make sure that the roller sunblind can move
freely. Otherwise, the roller sunblind or other
objects could be damaged. Extending/retracting from the driver's
seat X
Turn the SmartKey to position 1 or 2 in the
ignition lock ( Y
page 127). X
To extend or retract: briefly press button C .
The roller sunblind fully extends or fully
retracts. X
To stop: briefly press button C again.
The roller sunblind stops briefly and moves
back into the out-of-use position.
Ashtray
Front ashtray
! The stowage space under the ashtray is not
heat resistant. Before placing lit cigarettes in
the ashtray, make sure that the ashtray is
properly engaged. Otherwise, the stowage
space could be damaged.
Except Mercedes-AMG vehicles X
To open: slide cover C forwards until it
engages. X
To remove the insert: hold insert

Mercedes-AMG vehicles X
Turn the SmartKey to position 2 in the ignition
lock ( Y
page 127).X
To open: briefly press the trim on cover C .
The stowage compartment opens. X
Press in cigarette lighter D .
Cigarette lighter D will pop out automatically
when the heating element is red-hot.
12 V sockets
General notes X
Turn the SmartKey to position 1 in the ignition
lock ( Y
page 127).
The sockets can be used for accessories with a
maximum draw of 180 W (15 A). Accessories
include such items as chargers for mobile
phones.
If you use the sockets for long periods when the
engine is switched off, the battery may dis-
charge.
An emergency cut-out ensures that the on-
board voltage does not drop too low. If the on-
board voltage is too low, the power to the sock-
ets is automatically cut. This ensures that there
is sufficient power to start the engine. Socket in the front-compartment center
console
Except Mercedes-AMG vehicles X
To open: slide cover C forwards until it
engages. X
Lift up the cover of socket D .X
To close: briefly press cover C at the front.
The cover moves back.
Mercedes-AMG vehicles X
To open: briefly press the trim on cover C .
The stowage compartment opens. X
Lift up the cover of socket D .X
To close: fold down cover C .262
Features
Stowage and features

You can use the route assistance function even
if the vehicle is not equipped with a navigation
system.
Within the framework of this service, you receive
a professional and reliable form of navigation
support without having to leave your vehicle.
The customer service representative finds a
suitable route depending on your vehicle's cur-
rent position and the desired destination. You
will then be guided live through the current route
section.
Search & Send General notes To use "Search & Send", your vehicle must be
equipped with mbrace and a navigation system.
Additionally, an mbrace service subscription
must be completed.
"Search & Send" is a destination entry service. A
destination address which is found on Google
Maps ®
can be transferred via mbrace directly to
your vehicle's navigation system.
Specifying and sending the destination
address X
Go to the website http://maps.google.com
and enter a destination address into the entry
field. X
To send the destination address to the e-
mail address of your mbrace account:
click on the corresponding button on the web-
site.
Example:
If you select 'Send to vehicle' and then
'Mercedes-Benz', the destination address will
be sent to your vehicle. X
When the "Send" dialog window appears:
Enter the e-mail address you specified when
setting up your mbrace account into the cor-
responding field. X
Click "Send".
Information on specific commands such as
"Address entry" or "Send" can be found on the
website.
Calling up a transmitted destination
address X
Turn the SmartKey to position 2 in the ignition
lock ( Y
page 127).
The transmitted destination address is loaded
into the vehicle's navigation system. A display message appears, asking whether
navigation should be started. X
Select Yes by turning 3 or sliding 1
the controller and confirm with 7 .
The system calculates the route and subse-
quently starts the route guidance with the
address entered.
If you select No
the address can be stored in
the address book.
If you have sent more than one destination
address, each individual destination must be
confirmed separately.
Destination addresses are loaded in the same
order as the order in which they were sent.
If you own multiple Mercedes-Benz vehicles with
mbrace and activated mbrace accounts:
If multiple vehicles are registered under the
same e-mail address, the destination will be
sent to all the vehicles.
Vehicle remote opening You can use the vehicle remote opening if you
have unintentionally locked your vehicle and a
replacement SmartKey is not available.
The vehicle can be opened by the Mercedes-
Benz Customer Assistance Center.
The vehicle can be immediately opened
remotely within four days of the ignition being
turned off. After this time, the remote unlocking
may be delayed by 15 to 60 minutes. After
30 days, the vehicle can no longer be opened
remotely.
The vehicle remote unlocking feature is availa-
ble if the relevant mobile phone network is avail-
able and a data connection is possible. X
Contact the following service hotlines:
Mercedes-Benz Customer Assistance Center
at 1-800-FOR-MERCedes (1-800-367-6372)
or 1-866-990-9007
You will be asked for your password. X
Return to your vehicle at the time agreed upon
with the Mercedes-Benz Customer Assis-
tance Center.
Alternatively, the vehicle can be opened via: R
the Internet, under the "Owners Online" sec-
tion R
the telephone application (e. g. for iPhone ®
,
Android)
To do this, you will need your identification num-
ber and password. Features 267
Stowage and features Z

Vehicle remote closing The vehicle remote-closing feature can be used
when you have forgotten to lock the vehicle and
you are no longer nearby.
The vehicle can then be locked by the Mercedes-
Benz Customer Assistance Center.
The vehicle can be immediately remotely locked
within four days of the ignition being turned off.
After this time, remote closing may be delayed
by 15 to 60 minutes. After 30 days the vehicle
can no longer be locked remotely.
The vehicle remote closing feature is available if
the relevant mobile phone network is available
and a data connection is possible. X
Contact the following service hotlines:
Mercedes-Benz Customer Assistance Center
at 1-800-FOR-MERCedes (1-800-367-6372)
or 1-866-990-9007
You will be asked for your password.
The next time you are inside the vehicle and you
switch on the ignition, the Doors Locked
Remotely message appears in the multifunction
display.
Alternatively, the vehicle can be locked via: R
the Internet, under the "Owners Online" sec-
tion R
the telephone application (e .g . for iPhone ®
,
Android)
To do this, you will need your identification num-
ber and password.
Stolen vehicle recovery service If your vehicle has been stolen: X
Notify the police.
The police will issue a numbered incident
report. X
This number will be forwarded to the
Mercedes-Benz Customer Assistance Center
together with your PIN.
The Mercedes-Benz Customer Assistance
Center then tries to locate the system. The
Mercedes-Benz Customer Assistance Center
contacts you and the local law enforcement
agency if the vehicle is located.
However, only the law enforcement agency is
informed of the location of the vehicle.
If the anti-theft alarm system is activated for
longer than 30 seconds, the Mercedes-Benz
Customer Assistance Center is automatically
notified. Vehicle Health Check With the Vehicle Health Check, the Customer
Assistance Center can provide improved sup-
port for problems with your vehicle. During an
existing call, vehicle data is transferred to the
Customer Assistance Center.
The customer service representative can use
the received data to decide what kind of assis-
tance is required. You are then, for example,
guided to the nearest authorized Mercedes-
Benz Center or a recovery vehicle is called.
If vehicle data needs to be transferred during an
MB Info call or a Roadside Assistance call, this is
initiated by the Customer Assistance Center.
The Roadside Assistance Connected mes-
sage appears in the display. If the Vehicle Health
Check can be started, the Request for Vehi‐
cle Diagnostics Received Start vehi‐
cle diagnostics? message appears in the
display. X
Press the Yes button to confirm the message. X
When the Vehicle Diagnostics Please
Start Ignition message appears: turn the
SmartKey to position 2 in the ignition lock
( Y
page 127). X
If the Please follow the instructions
received by phone and move your vehi‐
cle to a safe position. message
appears: please follow the instructions
received by phone and move your vehicle to a
safe position.
The message in the display disappears.
The vehicle operating state check begins.
During this procedure, you will see the Vehi‐
cle Diagnostics Active message.
If you select Cancel
, the Vehicle Health
Check is canceled completely.
When the check is complete, the Sending
vehicle diagnostics data. (Voice con‐
nection may be interrupted during
data transfer) message appears. The vehicle
data can now be sent. X
Press the OK button to confirm the message.
The voice connection with the Customer
Assistance Center is terminated.
The Vehicle Diagnostics: Transfer‐
ring Data... message appears.
The vehicle data is sent to the Customer
Assistance Center.
Depending on what the customer service rep-
resentative agreed with you, the voice connec-268
Features
Stowage and features

Engine compartment
Hood
Important safety notes
G WARNING
If the hood is unlatched, it may open up when
the vehicle is in motion and block your view.
There is a risk of an accident.
Never unlatch the hood while driving. Before
every trip, ensure that the hood is locked.
G WARNING
When opening and closing the hood, it may
suddenly fall into the closed position. There is
a risk of injury to persons within range of
movement of the hood.
Open and close the hood only when no one is
within its range of movement.
G WARNING
Opening the hood when the engine is over-
heated or when there is a fire in the engine
compartment could expose you to hot gases
or other service products. There is a risk of
injury.
Let an overheated engine cool down before
opening the hood. If there is a fire in the
engine compartment, keep the hood closed
and contact the fire department.
G WARNING
The engine compartment contains moving
components. Certain components, such as
the radiator fan, may continue to run or start
again suddenly when the ignition is off. There
is a risk of injury.
If you need to do any work inside the engine
compartment: R
switch off the ignition R
never reach into the area where there is a
risk of danger from moving components,
such as the fan rotation area R
remove jewelry and watches R
keep items of clothing and hair, for exam-
ple, away from moving parts
G WARNING
The ignition system and the fuel injection sys-
tem work under high voltage. If you touch
components which are under voltage, you
could get an electric shock. There is a risk of
injury.
Never touch components of the ignition sys-
tem or fuel injection system when the ignition
is switched on.
Opening the hood
G WARNING
Certain components in the engine compart-
ment, such as the engine, radiator and parts
of the exhaust system, can become very hot.
Working in the engine compartment poses a
risk of injury.
Where possible, let the engine cool down and
touch only the components described in the
following.
G WARNING
When the hood is open and the windshield
wipers are set in motion, you can be injured by
the wiper linkage. There is a risk of injury.
Always switch off the windshield wipers and
the ignition before opening the hood.
! Make sure that the windshield wipers are
not folded away from the windshield. You
could otherwise damage the windshield wip-
ers or the hood.274
Engine compartment
Maintenance and care

X
Park the vehicle on a level surface.
Only check the coolant level when the vehicle
is on a level surface and the engine has cooled
down. X
Turn the SmartKey to position 2 in the ignition
lock ( Y
page 127).
On vehicles with KEYLESS-GO, press the
Start/Stop button twice ( Y
page 127).X
Check the coolant temperature display in the
instrument cluster.
The coolant temperature must be below
158 ‡ (70 †). X
Turn the SmartKey to position 0 in the ignition
lock ( Y
page 127).X
Slowly turn cap C half a turn counter-clock-
wise to allow excess pressure to escape. X
Turn cap C further counter-clockwise and
remove it.
If the coolant is at the level of marker bar