lights MERCEDES-BENZ CLS 2017 Owner's Manual

Page 113 of 334

Problems with the windshield wipers Problem
Possible causes/consequences and P Solutions
The windshield wipers
are jammed. Leaves or snow, for example, are obstructing windshield wiper move-
ment. The wiper motor has been deactivated. X
Switch off the engine. X
Remove the SmartKey from the ignition lock.
or, on vehicles with KEYLESS ‑ GO:X
Open the driver's door.
The vehicle electronics now have status 0 . This is the same as the
SmartKey having been removed. X
Remove the cause of the obstruction. X
Switch the windshield wipers back on.
The windshield wipers
fail completely. The windshield wiper drive is malfunctioning. X
Select another wiper speed on the combination switch. X
Have the windshield wipers checked at a qualified specialist work-
shop.
The windshield washer
fluid from the spray noz-
zles no longer hits the
center of the windshield. The spray nozzles are misaligned. X
Have the spray nozzles adjusted at a qualified specialist workshop. Windshield wipers 111
Lights and windshield wipers Z

Page 119 of 334

Problems with the "Cooling with air dehumidification" function Problem
Possible causes/consequences and P Solutions
The indicator lamp in the
Z button flashes
three times or remains
off. The "Cooling with air
dehumidification" func-
tion cannot be switched
on. Cooling with air dehumidification has been deactivated due to a mal-
function. X
Visit a qualified specialist workshop.
Setting climate control to automatic
General notes In automatic mode, the set temperature is main-
tained automatically at a constant level. The
system automatically regulates the temperature
of the dispensed air, the airflow and the air dis-
tribution.
The "Cooling with air dehumidification" function
is activated automatically in automatic mode.
Automatic control X
Turn the SmartKey to position 2 in the ignition
lock ( Y
page 123).X
Set the desired temperature. X
To switch on: press the X button.
The indicator lamp in the X button lights
up. Automatic air distribution and airflow are
activated.
3-zone automatic climate control: when auto-
matic mode is activated, you can set the climate
mode ( Y
page 117).X
To switch to manual mode: press the

Page 121 of 334

Switch off the "Windshield defrosting" function
as soon as the windshield is clear again. X
Turn the SmartKey to position 2 in the ignition
lock ( Y
page 123).X
To activate: press the d button.
The indicator lamp in the d button lights
up.
The climate control system switches to the
following functions: R
high airflow R
high temperature R
air distribution to the windshield and front
side windows R
air-recirculation mode off
If the battery is not sufficiently charged, blower
output may be reduced. Once the battery is suf-
ficiently charged again, full blower output will be
available again. X
To deactivate: press the d button.
The indicator lamp in the d button goes
out. The previously selected settings are
restored. Air-recirculation mode remains
deactivated.
MAX COOL maximum cooling The MAX COOL function is only available in vehi-
cles for the USA.
MAX COOL is only operational when the engine
is running. X
To activate: press the

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Problems with the rear window defroster Problem
Possible causes/consequences and P Solutions
The rear window
defroster has deactiva-
ted prematurely or can-
not be activated. The battery has not been sufficiently charged. X
Switch off any consumers that are not required, e.g. reading lamps,
interior lighting or the seat heating.
When the battery is sufficiently charged, the rear window defroster
can be activated again.
Switching air-recirculation mode
on/off
General notes You can deactivate the flow of fresh air if
unpleasant odors are entering the vehicle from
outside. The air already inside the vehicle will
then be recirculated.
If you switch on air-recirculation mode, the win-
dows can fog up more quickly, in particular at
low temperatures. Only use air-recirculation
mode briefly to prevent the windows from fog-
ging up.
Activating/deactivating X
Turn the SmartKey to position 2 in the ignition
lock ( Y
page 123).X
To activate: press the r button.
The indicator lamp in the r button lights
up.
Dual-zone automatic climate control: air-recir-
culation mode is automatically activated at high
outside temperatures.
3-zone automatic climate control: air-recircula-
tion mode is automatically activated at high lev-
els of pollution or at high outside temperatures.
When air-recirculation mode is activated auto-
matically, the indicator lamp above the r
button does not light up. Outside air is added
after approximately 30 minutes. X
To deactivate: press the r button.
The indicator lamp in the r button goes
out. Air-recirculation mode deactivates automati-
cally: R
after approximately five minutes at outside
temperatures below approximately 41 ‡
(5 †) R
after approximately five minutes if cooling
with air dehumidification is deactivated R
after approximately 30 minutes at outside
temperatures above approximately 41 ‡
(5 †) if the "Cooling with air dehumidifica-
tion" function is activated
Switching the residual heat on or off
General notes The residual heat function is only available with
3-zone automatic climate control.
It is possible to make use of the residual heat of
the engine to continue heating the vehicle for
approximately 30 minutes after the engine has
been switched off. The heating time depends on
the set interior temperature.
Activating/deactivating X
Turn the SmartKey to position 0 in the ignition
lock or remove it ( Y
page 123).X
To switch on: press the K button.
The indicator lamp in the K button lights
up.
If the residual heat function is activated, the
windows may fog up on the inside.
The blower will run at a low speed regardless of
the airflow setting.
If you activate the residual heat function at high
temperatures, only the ventilation will be acti-
vated. The blower runs at medium speed.120
Operating the climate control systems
Climate control

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pedal, the engine starts automatically and the
braking effect of the HOLD function is deac-
tivated.
Automatic engine switch-off can take place a
maximum of four times in a row (initial stop, then
three subsequent stops).
Mercedes-AMG vehicles: the number of con-
secutive automatic engine switch-offs is unlimi-
ted.
All other models: automatic engine switch-off
can take place a maximum of four times in a row
(initial switch-off, then three subsequent switch-
offs).
Automatic engine start The engine starts automatically if: R
you switch off the ECO start/stop function by
pressing the ECO button R
in transmission position D or N the brake
pedal is released and the HOLD function is not
active R
you depress the accelerator pedal R
you engage reverse gear RR
you move the transmission out of position PR
you switch to drive program S , S+ or M
(Mercedes-AMG vehicles) 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-
shield when the air-conditioning system is
switched on R
the battery's condition of charge is too low
i Shifting the transmission to position P does
not start the engine. Deactivating or activating the ECO
start/stop function Mercedes-AMG vehicles X
To deactivate: in drive program C , press ECO
button C .
or X
Switch to drive program S , S+ or
M ( Y
page 134).
Indicator lamp D goes out.X
To activate: press ECO button C .
Indicator lamp D lights up.
If drive program S , S+ or M is active, the auto-
matic transmission switches to drive program
C .
If indicator lamp D 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.
All other models
X
To deactivate: press ECO button C .
Indicator lamp D goes out.X
To activate: press ECO button C .
Indicator lamp D lights up.Driving 127
Driving and parking Z

Page 136 of 334

Vehicles with the AMG Sports package X
Press program selector button C repeatedly
until the letter for the desired drive program
appears in the multifunction display.
The program selector button allows you to
choose between different driving characteris-
tics.
i Further information about permanent drive
program M ( Y
page 136).
As well as this permanent drive program M ,
you can also activate temporary drive pro-
gram M ( Y
page 135).
E Economy Comfortable, economical
driving
S Sport Sporty driving style
M Manual Manual gear shifting
i For further information on the automatic
drive program, see ( Y
page 135).
i The automatic transmission shifts to auto-
matic drive program E each time the engine is
started. Mercedes-AMG vehicles
Drive program selector with manual drive program X
Turn drive program selector C until the
desired drive program appears in the multi-
function display in the speedometer.
The drive program indicator on drive program
selector C lights up in red.
i Further information about permanent drive
program M ( Y
page 136).
As well as this permanent drive program M ,
you can also activate temporary drive pro-
gram M ( Y
page 135).
C Controlled
Efficiency Comfortable, economical
driving
S Sport Sporty driving style
S+ SportPlus Particularly sporty driving
style
M Manual Manual gear shifting
RS RACE
START Optimal vehicle accelera-
tion from a standstill
i For further information on the automatic
drive program, see ( Y
page 135).
i The automatic transmission shifts to auto-
matic drive program C each time the engine is
started.
i RS cannot be selected during normal driv-
ing. For further information on RACE START,
see ( Y
page 158).134
Automatic transmission
Driving and parking

Page 138 of 334

sion automatically shifts up in order to pre-
vent engine damage. X
To shift down: pull on the left-hand steering
wheel paddle shifter ( Y
page 135).
The automatic transmission shifts down to
the next gear.
If the engine exceeds the maximum engine
speed when shifting down, the automatic
transmission protects against engine damage
by not shifting down.
i Automatic down shifting occurs when
coasting.
Shift recommendation
The gearshift recommendations assist you in
adopting an economical driving style. The mul-
tifunction display shows you the recommended
gear. X
Shift to recommended gear D according to
gearshift recommendation C when shown in
the multifunction display.
Deactivating If you have activated manual drive program M , it
will remain active for a certain amount of time.
Under certain conditions the minimum amount
of time is extended, e.g. in the case of lateral
acceleration, during an overrun phase or when
driving on steep terrain.
If manual drive program M has been deactiva-
ted, the automatic transmission shifts into the
automatic drive program that was last selected,
i.e. E , C or S .
You can also deactivate manual drive program
M yourself: X
Pull on the right-hand steering wheel paddle
shifter and hold it in place ( Y
page 135).
or X
Switch the transmission position. R
All vehicles except Mercedes-AMG vehi-
cles: use the DIRECT SELECT lever
( Y
page 130) R
Mercedes-AMG vehicles: use the lever
( Y
page 129)
or X
Change the drive program. R
All vehicles except Mercedes-AMG vehi-
cles: use the drive program selector button
( Y
page 133) R
Mercedes-AMG vehicles: use the drive
program selector ( Y
page 134)
Manual drive program (Mercedes-
AMG vehicles and vehicles with the
AMG sports package)
General notes In this drive program, you can permanently
change gear yourself by using the steering
wheel paddle shifters. The transmission must be
in position D .
As well as this permanent drive program M , you
can also activate temporary drive program M
( Y
page 135).
Switching on the manual drive program X
All vehicles except Mercedes-AMG vehi-
cles: press the program selector button
repeatedly until drive program M appears in
the multifunction display ( Y
page 133).X
Mercedes-AMG vehicles: turn the drive pro-
gram selector until drive program M appears
in the multifunction display ( Y
page 134).
The indicator M on the drive program selector
lights up in red.
Manual drive program M is different from drive
programs S and S+ with regard to spontaneity,
responsiveness and smoothness of gear
changes.
In manual drive program M , you can change gear
using the steering wheel paddle shifters if the
transmission is in position D . The multifunction
display shows the selected and engaged gear.136
Automatic transmission
Driving and parking

Page 145 of 334

X
To apply: depress parking brake D firmly.
When the engine is running, the ' (USA
only) or M (Canada only) indicator lamp
lights up in the instrument cluster. X
To release: depress the brake pedal and keep
it depressed. X
Pull release handle C .
When the ignition is switched on or the engine
is running, the ' (USA only) or M (Can-
ada only) indicator lamp goes out in the instru-
ment cluster.
Parking the vehicle for a long period If you leave the vehicle parked for longer than
four weeks, the battery may be damaged by
exhaustive discharging.
If you leave the vehicle parked for longer than six
weeks, the vehicle may suffer damage as a
result of lack of use. X
Visit a qualified specialist workshop and seek
advice.
i You can obtain information about trickle
chargers from a qualified specialist work-
shop.
Driving tips
General notes
Important safety notes
G WARNING
If you switch off the ignition while driving,
safety-relevant functions are only available
with limitations, or not at all. This could affect,
for example, the power steering and the brake
boosting effect. You will require considerably
more effort to steer and brake. There is a risk
of an accident.
Do not switch off the ignition while driving.
G WARNING
If you operate mobile communication equip-
ment while driving, you will be distracted from
traffic conditions. You could also lose control
of the vehicle. There is a risk of an accident. Only operate this equipment when the vehicle
is stationary.
Observe the legal requirements for the country
in which you are driving. Some jurisdictions pro-
hibit the driver from using a mobile phone while
driving a vehicle.
If you make a call while driving, always use
hands-free mode. Only operate the telephone
when the traffic situation permits. If you are
unsure, pull over to a safe location and stop
before operating the telephone.
Bear in mind that at a speed of only 30 mph
(approximately 50 km/h), the vehicle covers a
distance of 44 ft (approximately 14 m) per sec-
ond.
Drive sensibly – save fuel Observe the following tips to save fuel: X
The tires should always be inflated to the rec-
ommended tire pressure. X
Remove unnecessary loads. X
Remove roof racks when they are not needed. X
Warm up the engine at low engine speeds. X
Avoid frequent acceleration or braking. X
Have all maintenance work carried out as
indicated by the service intervals in the Main-
tenance Booklet or by the service interval dis-
play.
Fuel consumption also increases when driving in
cold weather, in stop-start traffic and in hilly ter-
rain.
Drinking and driving
G WARNING
Drinking and driving and/or taking drugs and
driving are very dangerous combinations.
Even a small amount of alcohol or drugs can
affect your reflexes, perceptions and judg-
ment.
The possibility of a serious or even fatal acci-
dent is greatly increased when you drink or
take drugs and drive.
Do not drink or take drugs and drive or allow
anyone to drive who has been drinking or tak-
ing drugs. Driving tips 143
Driving and parking Z

Page 147 of 334

change dynamically at the beginning of the
journey. On longer journeys, there are fewer
changes. For more dynamic changes, carry
out a manual reset.
For further information on the ECO display, see
( Y
page 191).
Braking
Important safety notes
G WARNING
If you shift down on a slippery road surface in
an attempt to increase the engine's braking
effect, the drive wheels could lose their grip.
There is an increased danger of skidding and
accidents.
Do not shift down for additional engine brak-
ing on a slippery road surface.
Downhill gradients
! On long and steep gradients, you must
reduce the load on the brakes by shifting to a
lower gear in good time. This allows you to
take advantage of the engine's braking effect.
This helps you to avoid overheating the
brakes and wearing them out excessively.
When you take advantage of engine braking, a
drive wheel may not turn for some time, e.g.
on a slippery road surface. This could cause
damage to the drive train. This type of damage
is not covered by the Mercedes-Benz war-
ranty.
Change into a lower gear in good time on long
and steep downhill gradients. This is especially
important if the vehicle is laden.
Heavy and light loads
G WARNING
If you rest your foot on the brake pedal while
driving, the braking system can overheat. This
increases the stopping distance and can even
cause the braking system to fail. There is a
risk of an accident.
Never use the brake pedal as a footrest. Never
depress the brake pedal and the accelerator
pedal at the same time. ! Depressing the brake pedal constantly
results in excessive and premature wear to
the brake pads.
If the brakes have been subjected to a heavy
load, do not stop the vehicle immediately, but
drive on for a short while. This allows the airflow
to cool the brakes more quickly.
Wet roads If you have driven for a long time in heavy rain
without braking, there may be a delayed reac-
tion from the brakes when braking for the first
time. This may also occur after the vehicle has
been washed or driven through deep water.
You have to depress the brake pedal more
firmly. Maintain a greater distance from the
vehicle in front.
After driving on a wet road or having the vehicle
washed, brake firmly while paying attention to
the traffic conditions. This will warm up the
brake discs, thereby drying them more quickly
and protecting them against corrosion.
Limited braking performance on salt-
treated roads If you drive on salted roads, a layer of salt resi-
due may form on the brake discs and brake
pads. This can result in a significantly longer
braking distance. R
In order to prevent any salt build-up, apply the
brakes occasionally while paying attention to
the traffic conditions. R
Carefully depress the brake pedal and the
beginning and end of a journey. R
Maintain a greater distance to the vehicle
ahead.
Servicing the brakes
! The brake fluid level may be too low, if: R
if the red brake warning lamp lights up in
the instrument cluster and R
you hear a warning tone while the engine is
running
Observe additional warning messages in the
multifunction display.
The brake fluid level may be too low due to
brake pad wear or leaking brake lines. Driving tips 145
Driving and parking Z

Page 157 of 334

Deactivating DISTRONI C PLUS
There are severa l ways to deactivat e
DISTRONIC PLUS: X
Briefly push th e cruise contro l lever for-
ward s C .
or X
Brake, unless th e vehicle is stationary
If you deactivat e DISTRONIC PLUS, th e
DISTRONIC PLU S Off messag e appears in th e
multifunction display fo r approximately fiv e sec -
onds.
i The last speed stored remain s stored until
you switch of f th e engine.
i DISTRONIC PLU S is no t deactivated if you
depress th e accelerator pedal.
DISTRONIC PLU S is automatically deactivated
if: R
you engage th e parking brakeR
ES P ®
intervenes or you deactivat e ES P ®
R
th e transmissio n is in th e P , R or N positionR
you pull th e cruise contro l lever toward s you
in order to pull away and th e front-passenger
doo r or on e of th e rea r doors is ope nR
th e vehicle is skiddingR
you activat e Active Parking Assis t
If DISTRONIC PLU S is deactivated, you will hear
a tone . The DISTRONIC PLU S Off messag e
appears in th e multifunction display fo r approx -
imately fiv e seconds. Tips for drivin g wit h DISTRONI C PLUSGeneral notes Pay particular attention in th e followin g traffic
situations: R
Cornering, enterin g and exitin g a bend: th e
ability of DISTRONIC PLU S to detec t vehicles
when cornering is limited. Your vehicle may
brake unexpectedly or late. R
Driving on a differen t line: DISTRONIC PLU S
may no t detec t vehicles whic h are no t drivin g
in th e middle of their lane. The distanc e to th e
vehicle in fron t will be to o short .R
Other vehicles changin g lane: DISTRONIC
PLU S has no t detecte d th e vehicle cutting in
yet . The distanc e to this vehicle will be to o
short . R
Narro w vehicles : DISTRONIC PLU S doe s no t
detec t th e vehicle in fron t on th e edg e of th e
road because of it s narro w width. The dis -
tanc e to th e vehicle in fron t will be to o short .R
Obstacles and stationary vehicles :
DISTRONIC PLU S doe s no t brake fo r obsta -
cles or stationary vehicles . If , fo r example, th e
detecte d vehicle turn s a corner and reveals an
obstacl e or stationary vehicle, DISTRONIC
PLU S will no t brake fo r these .R
Crossing vehicles : DISTRONIC PLU S may mis -
takenl y detec t ve hicles that are crossin g y our
lane. Activatin g DISTRONIC PLU S at traffic
lights wit h crossin g traffic , fo r example, could
cause your vehicle to pull away unintention -
ally.
In suc h situations, brake if necessary.
DISTRONIC PLU S is then deactivated.
DISTRONI C PLUS wit h Steering Assis t
an d Stop&Go Pilo t
General notes Driving systems 15 5
Driving an d parking Z

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