2015 MERCEDES-BENZ CLS-Class stop start

Assistance menu
Introduction Depending on the equipment installed in the
vehicle, you have the following options in the
DriveAssist. DriveAssist. menu:
R Displaying the assistance graphic
(Y page 235)
R Activating/deactivating ESP ®
(except AMG
vehicles) (Y page 235)
R Activating/deactivating Steering Assist
and Stop&Go Pilot of DISTRONIC PLUS
(Y page 236)
R Activating/deactivating PRE-SAFE ®
Brake
(Y page 236)
R Activating/deactivating COLLISION PRE-
VENTION ASSIST PLUS (Y page 236)
R Activating/deactivating ATTENTION
ASSIST (Y page 236)
R Activating/deactivating Blind Spot Assist
or Active Blind Spot Assist (Y page 237)
R Activating/deactivating Lane Keeping
Assist or Active Lane Keeping Assist
(Y page 237)
Displaying the assistance graphic X
Press the =or; button on the steer-
ing wheel to select the DriveAssist DriveAssistmenu.
X Press 9or: to select Assist. Assist.
Graphic Graphic. X
Press the abutton.
The multifunction display shows the
DISTRONIC PLUS distance display in the
assistance graphic.
The assistance graphic shows you the sta-
tus and further information on the following
driving systems or driving safety systems:
R DISTRONIC PLUS (Y page 186)
R PRE-SAFE ®
Brake (Y page 79)
R COLLISION PREVENTION ASSIST PLUS
(Y page 73)
R ATTENTION ASSIST (Y page 213)
R Lane Keeping Assist (Y page 216)
R Active Lane Keeping Assist
(Y page 221)
X Press :to display the ATTEN-
TION ASSIST assessment.
Deactivating/activating ESP ® i
Observe the important safety notes on
ESP ®
(Y page 76). G
WARNING
If you deactivate ESP ®
, ESP ®
no longer sta-
bilizes the vehicle. There is an increased risk
of skidding and an accident.
Only deactivate ESP ®
in the situations descri-
bed in the following.
It may be best to deactivate ESP ®
in the fol-
lowing situations:
R when using snow chains
R in deep snow
R on sand or gravel
Activating/deactivating ESP ®
on AMG vehi-
cles (Y page 77).
For further information about ESP ®
, see
(Y page 75).
X Start the engine.
X Press the =or; button on the steer-
ing wheel to select the Assist. Assist.menu.
X Press 9or: to select ESP
ESP. Menus and sub
menus
235On-board computer and displays Z

AMG menu in AMG vehicles
AMG displays :
Digital speedometer
; Gear indicator
= Upshift indicator
? Engine oil temperature
A Coolant temperature
B Status indicator for ECO start/stop func-
tion (Y page 153)
X Press =or; on the steering wheel
to select the AMG AMGmenu.
Upshift indicator: upshift indicatorUP
UP=
indicates that the engine has reached the
overrevving range when in the manual drive
program.
Engine oil temperature: when the engine
and transmission are at normal operating
temperature, oil temperature ?is displayed
in white in the multifunction display.
If the multifunction display shows oil temper- ature ?in blue, the engine or the transmis-
sion are not yet at normal operating temper-
ature. Avoid driving at full engine output dur-
ing this time.
If the conditions for the ECO start/stop func- tion are fulfilled and the vehicle is stationary, status indicator Bis shown. SETUP :
Drive program (C C/SS+ SS+ /MM)
; ESP ®
mode ON
ON/OFF
OFF or SPORT handling
mode SPORT
SPORT
= Suspension setting COMFORT
COMFORT/SPORT
SPORT/
SPORT +
SPORT +
SETUP shows the drive program, the ESP ®
(Electronic Stability Program) mode and the
suspension tuning.
X Press the =or; button on the steer-
ing wheel to select the AMG
AMGmenu.
X Press the 9button repeatedly until
SETUP is displayed.
or X Briefly press the AMG button on the center
console (Y page 195).
RACETIMER Displaying and starting RACETIMER
:
Lap
; RACETIMER
The RACETIMER is only intended for use on a closed race circuit. Do not use the function on
public roads. 242
Menus and sub
menusOn-board computer and displays

You can start the RACETIMER when the
engine is running or if the SmartKey is in posi-
tion 2in the ignition lock.
X Press the =or; button on the steer-
ing wheel to select the AMG
AMGmenu.
X Press the 9button repeatedly until the
RACETIMER is shown.
X To start: press the abutton to start the
RACETIMER.
Displaying the intermediate time X
Press =or; to select Interm.
Interm.
Time
Time .
X Press ato confirm.
The intermediate time is displayed for five
seconds.
Starting a new lap :
RACETIMER
; Fastest lap time (best lap)
= Lap
X Press ato confirm New Lap
New Lap.
i It is possible to store a maximum of six-
teen laps. The 16th lap can only be com-
pleted with Finish Lap
Finish Lap. Stopping the RACETIMER X
Press the %button on the steering
wheel.
X Confirm Yes Yeswith a.
The RACETIMER interrupts timing if you stop
the vehicle and turn the SmartKey to position 1 in the ignition lock. If you turn the key to
position 3and then press ato confirm
Start Start, timing is continued.
Resetting the current lap
X Stop the RACETIMER.
X Press =or; to select Reset Lap Reset Lap.
X Press ato reset the lap time to "0".
Deleting all laps If you switch off the engine, the RACETIMER is
reset to "0" after 30 seconds. All laps are
deleted.
You cannot delete individual stored laps. If
you have stopped 16 laps, the current lap
does not have to be reset.
X Reset the current lap.
X Press ato confirm Reset
Reset.
Reset Race-Timer? Reset Race-Timer? appears in the multi-
function display.
X Press the :button to select Yes
Yesand
press the abutton to confirm.
All laps are deleted. Menus and submenus
243On-board computer and displays Z

Display messages
Possible causes/consequences and
M
MSolutions T!
÷
Inoperative See Inoperative See
Operator's Manual Operator's Manual EBD (electronic brake force distribution), ABS, ESP
®
, BAS, the
HOLD function, PRE-SAFE ®
and hill start assist are not available
due to a malfunction.
BAS PLUS with Cross-Traffic Assist, COLLISION PREVENTION
ASSIST PLUS, PRE‑SAFE ®
PLUS and PRE ‑SAFE®
Brake may also
have failed.
In addition, the ÷,åand! warning lamps light up in the
instrument cluster and a warning tone sounds.
G WARNING
The brake system continues to function normally, but without the functions listed above. The front and rear wheels could therefore
lock if you brake hard, for example.
The steerability and braking characteristics may be severely affec-ted. The braking distance in an emergency braking situation can
increase.
If ESP ®
is not operational, ESP ®
is unable to stabilize the vehicle.
There is an increased risk of skidding and an accident.
X Drive on carefully.
X Visit a qualified specialist workshop immediately. F(USA
only)J
(Canada
only)
Please Release Please Release
Parking Brake Parking Brake You are driving with the parking brake applied. A warning tone also
sounds.
X Release the parking brake. $(USA
only)J
(Canada
only)
Check Brake Fluid Check Brake Fluid
Level Level There is not enough brake fluid in the brake fluid reservoir.
In addition, the
$(USA only) or J(Canada only) warning
lamp lights up in the instrument cluster and a warning tone
sounds.
G WARNING
The braking effect may be impaired.
There is a risk of an accident. X Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions. Do not continue driving
under any circumstances.
X Secure the vehicle against rolling away (Y page 170).
X Consult a qualified specialist workshop.
X Do not add brake fluid. This does not correct the malfunction. 248
Display
messagesOn-board computer and displays

Display messages
Possible causes/consequences and
M
MSolutions #
Check Brake Pad Check Brake Pad
Wear Wear The brake pads/linings have reached their wear limit.
X Visit a qualified specialist workshop. G
mbrace Inoperative mbrace Inoperative One or more main features of the mbrace system are malfunc-
tioning.
X Have the mbrace system checked at a qualified specialist work-
shop. Collision Preven‐ Collision Preven‐
tion Assist Plus tion Assist Plus
Currently Unavail‐ Currently Unavail‐
able See Opera‐ able See Opera‐
tor's Manual tor's Manual COLLISION PREVENTION ASSIST PLUS is temporarily not opera-
tional. Possible causes are:
R the radar sensor system is temporarily inoperative, e.g. due to
electromagnetic radiation emitted by nearby TV or radio sta-
tions or other sources of electromagnetic radiation.
R the system is outside the operating temperature range.
R the on-board voltage is too low.
When the causes stated above no longer apply, the display mes-
sage disappears.
COLLISION PREVENTION ASSIST PLUS is operational again.
If the display message does not disappear:
X Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
X Secure the vehicle against rolling away (Y page 170).
X Restart the engine. Collision Preven‐ Collision Preven‐
tion Assist Plus tion Assist Plus
Inoperative Inoperative COLLISION PREVENTION ASSIST PLUS is temporarily inoperative
due to a malfunction. Adaptive Brake Assist may also have failed.
X Visit a qualified specialist workshop. PRE-SAFE
PRE-SAFE
Inoperative See Inoperative See
Operator's Manual Operator's Manual
Important functions of PRE-SAFE
®
have failed. All other occupant
safety systems, e.g. air bags, remain available.
X Visit a qualified specialist workshop immediately. Display
messages
249On-board computer and displays Z

Display messages
Possible causes/consequences and
M
MSolutions PRE-SAFE
PRE-SAFE
Functions Cur‐ Functions Cur‐
rently rently
Limited
Limited See
See
Operator's Manual
Operator's Manual PRE
‑SAFE ®
PLUS or PRE ‑SAFE®
Brake is temporarily inoperative.
Possible causes are:
R function is impaired due to heavy rain or snow.
R the radar sensor system is temporarily inoperative, e.g. due to
electromagnetic radiation emitted by nearby TV or radio sta-
tions or other sources of electromagnetic radiation.
R AMG vehicles: ESP ®
is deactivated.
R the system is outside the operating temperature range.
R the on-board voltage is too low.
When the causes stated above no longer apply, the display mes-
sage disappears.
PRE ‑SAFE ®
PLUS and PRE ‑SAFE®
Brake are operational again.
If the display message does not disappear:
X Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
X Secure the vehicle against rolling away (Y page 170).
X Restart the engine.
X AMG vehicles: reactivate ESP ®
(Y page 77). PRE-SAFE PRE-SAFE
Functions Limited Functions Limited
See See
Operator's
Operator's Man‐
Man‐
ual
ual PRE
‑SAFE ®
PLUS or PRE‑ SAFE®
Brake is unavailable due to a mal-
function. BAS PLUS with Cross-Traffic Assist may also have failed.
X Visit a qualified specialist workshop. 250
Display
messagesOn-board computer and displays

Display messages
Possible causes/consequences and
M
MSolutions Radar Sensors
Radar Sensors
Dirty See Opera‐ Dirty See Opera‐
tor's Manual tor's Manual At least one of the following driving systems or driving safety sys-
tems is temporarily restricted or inoperative:
R COLLISION PREVENTION ASSIST PLUS
R PRE-SAFE ®
Brake
R PRE-SAFE ®
PLUS
R Active Lane Keeping Assist
R Active Blind Spot Assist
R DISTRONIC PLUS with Steering Assist and Stop&Go Pilot
If the radar sensor system in front is dirty, Active Blind Spot Assist
will not perform a course-correcting brake application.
Possible causes are:
R the sensors in the radiator trim and/or in the bumpers are dirty.
R the function of the driving system or driving safety system is
impaired due to heavy rain or snow
A warning tone also sounds.
When the causes stated above no longer apply, the display mes-
sage disappears. All driving systems or driving safety systems are
operative again.
If the display message does not disappear:
X Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
X Secure the vehicle against rolling away (Y page 170).
X Switch off the engine.
X Clean the sensors in the following locations (Y page 321):
R in the radiator trim
R in the front bumper
R in the rear bumper, particularly in the middle of the rear
bumper
X Restart the engine.
The display message disappears. Display
messages
251On-board computer and displays Z

Display messages
Possible causes/consequences and
M
MSolutions ?
Coolant Too Hot Coolant Too Hot
Stop Vehicle Turn Stop Vehicle Turn
Engine Off Engine Off The coolant is too hot.
A warning tone also sounds.
G WARNING
Do not drive when your engine is overheated. This can cause some
fluids which may have leaked into the engine compartment to
catch fire.
Steam from the overheated engine can also cause serious burns
which can occur just by opening the hood.
There is a risk of injury.
X Pull over and stop the vehicle safely and switch off the engine,
paying attention to road and traffic conditions.
X Secure the vehicle against rolling away (Y page 170).
X Wait until the engine has cooled down.
X Make sure that the air supply to the engine radiator is not
blocked, e.g. by snow, slush or ice.
X Do not start the engine again until the display message goes out
and the coolant temperature is below 248 ‡ (120 †). Other-
wise, the engine could be damaged.
X Pay attention to the coolant temperature display.
X If the temperature increases again, visit a qualified specialist
workshop immediately.
Under normal operating conditions and with the specified coolant
level, the coolant temperature may rise to 248 ‡ (120 †). #
See See
Operator's
Operator's Man‐
Man‐
ual
ual The battery is not being charged.
A warning tone also sounds.
Possible causes are:
R a defective alternator
R a torn poly-V-belt
R a malfunction in the electronics
! Do not continue driving. The engine could otherwise overheat.
X Pull over and stop the vehicle safely and switch off the engine,
paying attention to road and traffic conditions.
X Secure the vehicle against rolling away (Y page 170).
X Consult a qualified specialist workshop. Display
messages
259On-board computer and displays Z