brake sensor MERCEDES-BENZ GL-Class 2016 X166 Owner's Manual

BAS PLUS (Brake Assist System
PLUS).................................................... 69
Battery (SmartKey)
Checking .......................................... 85
Important safety notes .................... 85
Replacing ......................................... 85
Battery (vehicle)
Charging ........................................ 394
Display message ............................ 307
Important safety notes .................. 391
Jump starting ................................. 395
Overview ........................................ 391
Belt
see Seat belts
Blind Spot Assist
Activating/deactivating ................. 282
Display message ............................ 314
Notes/function .............................. 244
Trailer towing ................................. 246
see Active Blind Spot Assist
BlueTEC
Adding DEF .................................... 186
BlueTEC (DEF) .................................... 450
Brake Assist
see BAS (Brake Assist System)
Brake fluid
Display message ............................ 297
Notes ............................................. 451
Brake force distribution
see EBD (electronic brake force
distribution)
Brake lamps
Changing bulbs .............................. 139
Display message ............................ 304
Brakes
ABS .................................................. 68
Adaptive Brake Assist ...................... 72
BAS .................................................. 69
BAS PLUS ........................................ 69
Brake fluid (notes) ......................... 451
Display message ............................ 291
High-performance brake system .... 196
Important safety notes .................. 194
Maintenance .................................. 195
Parking brake ................................ 190
Riding tips ...................................... 194
Warning lamp ................................. 326 Breakdown
Where will I find...? ........................ 386
see Flat tire
see Towing away
Brightness control (instrument
cluster lighting) ................................... 35
Bulbs
see Replacing bulbs
C
CaliforniaImportant notice for retail cus-
tomers and lessees .......................... 26
Calling up a malfunction
see Display messages
Car
see Vehicle
Car key
see SmartKey
Care
360° camera ................................. 380
Car wash ........................................ 376
Carpets .......................................... 384
Display ........................................... 381
Exhaust pipe .................................. 381
Exterior lights ................................ 379
Gear or selector lever .................... 382
Interior ........................................... 381
Matte finish ................................... 378
Night View Assist Plus ................... 382
Notes ............................................. 375
Paint .............................................. 378
Plastic trim .................................... 382
Power washer ................................ 377
Rear view camera .......................... 380
Roof lining ...................................... 384
Seat belt ........................................ 383
Seat cover ..................................... 383
Sensors ......................................... 380
Side running board ........................ 380
Steering wheel ............................... 382
Trim pieces .................................... 382
Washing by hand ........................... 377
Wheels ........................................... 379
Windows ........................................ 379
Wiper blades .................................. 379
Wooden trim .................................. 382
6Index

Opening/closing the roller sun-
blind ............................................... 105
Problem (malfunction) ...................106
Resetting ....................................... 105
Parking
Important safety notes .................. 189
Parking brake ................................ 190
Position of exterior mirror, front-
passenger side ............................... 126
Rear view camera .......................... 231
see PARKTRONIC
Parking aid
Active Parking Assist ..................... 227
see Exterior mirrors
see PARKTRONIC
Parking assistance
see PARKTRONIC
Parking brake
Display message ............................ 294
Electric parking brake .................... 190
Warning lamp ................................. 333
Parking lamps
Switching on/off ........................... 131
PARKTRONIC
Deactivating/activating ................. 226
Driving system ............................... 224
Function/notes .............................2 24
Important safety notes .................. 224
Problem (malfunction) ................... 227
Range of the sensors ..................... 224
Trailer towing ................................. 226
Warning display ............................. 225
PASSENGER AIR BAG
Display message ............................ 301
Problems (malfunction) .................. 301
PASSENGER AIR BAG OFF
Indicator lamp .................................. 45
Pets in the vehicle ............................... 67
Plastic trim (cleaning instruc-
tions) .................................................. 382
Power closing feature ......................... 92
Power washers .................................. 377
Power windows
see Side windows
PRE-SAFE
®(anticipatory occupant
protection)
Display message ............................ 297 Operation ......................................... 60
PRE-SAFE
®Brake
Activating/deactivating ................. 282
Display message ............................ 298
Function/notes ................................ 76
Important safety notes .................... 76
Warning lamp ................................. 337
Program selector button .................. 177
Protection against thef t
AT

A (Anti-Theft Alarm system) ......... 78
Immobilizer ...................................... 78
Protection of the environment
General notes .................................. 24
Pulling away
General notes ................................ 168
Trailer ............................................ 168
Pulling away (automatic transmis-
sion) .................................................... 168
Q
QR code
Mercedes-Benz Guide App ................. 1
Rescue card ..................................... 30
Qualified specialist workshop ........... 29
R
RACETIMER (on-board computer) .... 288
Radiator cover ................................... 371
Radio
Selecting a station ......................... 278
see separate operating instructions
Radio-wave reception/transmis-
sion in the vehicle
Declaration of conformity ................ 28
Reading lamp ..................................... 135
Rear bench seat
Folding forwards/back .................. 344
Rear compartment
Exit/entry position (3rd row of
seats) ............................................. 115
Setting the air vents ...................... 161
Setting the temperature ................ 155
Rear fog lamp
Display message ............................ 304
Switching on/off ........................... 131
16Index

Exit position (3rd row of seats) ...... 116
Folding down/up (third row of
seats) ............................................. 113
Folding the 2nd row of seats
forward electrically ........................ 117
Folding the 2nd row of seats
forward manually ........................... 115
Folding the rear bench seat for-
wards/back ................................... 344
Important safety notes .................. 109
Overview ........................................ 109
Seat heating problem .................... 120
Seat ventilation problem ................ 121
Storing settings (memory func-
tion) ............................................... 127
Switching seat heating on/off ....... 118
Switching seat ventilation on/off .. 120
Section
Sliding sunroof ............................... 102
Selector lever
Cleaning ......................................... 382
Sensors (cleaning instructions) ....... 380
Service menu (on-board com-
puter) .................................................. 283
Service message
see ASSYST PLUS
Service products
Brake fluid ..................................... 451
Coolant (engine) ............................ 452
DEF special additives ..................... 450
Engine oil ....................................... 450
Fuel ................................................ 447
Important safety notes .................. 447
Refrigerant (air-conditioning sys-
tem) ............................................... 453
Washer fluid ................................... 453
Setting the air distribution ............... 156
Setting the airflow ............................ 156
Settings
Factory (on-board computer) ......... 286
On-board computer ....................... 283
SETUP (on-board computer) ............. 287
Side impact air bag ............................. 52
Side marker lamp (display mes-
sage) ................................................... 305
Side windows
Cleaning ......................................... 379 Convenience closing feature ............ 99
Convenience opening feature .......... 99
Hinged side windows ....................... 98
Important safety information ........... 97
Opening/
closi
ng .............................. 98
Overview .......................................... 97
Problem (malfunction) ................... 102
Resetting ....................................... 100
Reversing feature ............................. 98
Sliding sunroof
Important safety notes .................. 102
Opening/closing ............................ 103
Problem (malfunction) ................... 106
Resetting ....................................... 104
see Panorama roof with power
tilt/sliding panel
SmartKey
Changing the battery ....................... 85
Changing the programming ............. 84
Checking the battery ....................... 85
Convenience closing feature .......... 100
Convenience opening feature .......... 99
Display message ............................ 323
Door central locking/unlocking ....... 82
Important safety notes .................... 82
KEYLESS-GO start function .............. 84
Loss ................................................. 87
Mechanical key ................................ 84
Overview .......................................... 82
Positions (ignition lock) ................. 165
Problem (malfunction) ..................... 87
Starting the engine ........................ 167
Snow chains
Information .................................... 407
Snow drive program ....................... 255
Sockets
Center console .............................. 353
General notes ................................ 353
Luggage compartment ................... 354
Rear compartment ......................... 353
Special seat belt retractor .................. 61
Specialist workshop ............................ 29
Speed, controlling
see Cruise control
Speedometer
Digital ............................................ 277
In the Instrument cluster ................. 35
Segments ...................................... 272
18Index

Protection of the environment
General notes
HEnvironmental note
Daimler's declared policy is one of compre-
hensive environmental protection.
The objectives are for the natural resources
that form the basis of our existence on this
planet to be used sparingly and in a manner
that takes the requirements of both nature
and humanity into account.
You too can help to protect the environment
by operating your vehicle in an environmen-
tally responsible manner.
Fuel consumption and the rate of engine,
transmission, brake and tire wear are affected by these factors:
Roperating conditions of your vehicle
Ryour personal driving style
You can influence both factors. You should
bear the following in mind:
Operating conditions:
Ravoid short trips as these increase fuel con-
sumption.
Ralways make sure that the tire pressures
are correct.
Rdo not carry any unnecessary weight.
Rremove roof racks once you no longer need
them.
Ra regularly serviced vehicle will contribute
to environmental protection. You should
therefore adhere to the service intervals.
Ralways have service work carried out at a
qualified specialist workshop.
Personal driving style:
Rdo not depress the accelerator pedal when
starting the engine.
Rdo not warm up the engine when the vehicle
is stationary.
Rdrive carefully and maintain a safe distance
from the vehicle in front.
Ravoid frequent, sudden acceleration and
braking.
Rchange gear in good time and use each gear
only up to Ôof its maximum engine speed.
Rswitch off the engine in stationary traffic.
Rkeep an eye on the vehicle's fuel consump-
tion.
Environmental concerns and recom-
mendations
Wherever the operating instructions require
you to dispose of materials, first try to regen-
erate or re-use them. Observe the relevant
environmental rules and regulations when
disposing of materials. In this way you will
help to protect the environment.
Genuine Mercedes-Benz parts
HEnvironmental note
Daimler AG also supplies reconditioned major
assemblies and parts which are of the same
quality as new parts. They are covered by the
same Limited Warranty entitlements as new
parts.
!Air bags and Emergency Tensioning Devi-
ces, as well as control units and sensors for these restraint systems, may be installed in
the following areas of your vehicle:
Rdoors
Rdoor pillars
Rdoor sills
Rseats
Rcockpit
Rinstrument cluster
Rcenter console
Do not install accessories such as audio
systems in these areas. Do not carry out
repairs or welding. You could impair the
operating efficiency of the restraint sys-
tems.
Have aftermarket accessories installed at a qualified specialist workshop.
24Introduction

If ABS intervenes when braking, you will feel a
pulsing in the brake pedal.
The pulsating brake pedal can be an indica-
tion of hazardous road conditions, and func-
tions as a reminder to take extra care while
driving.
Off-road ABS
A 4ETS system specifically suited to off-road
terrain is activated automatically once the off-
road program is activated (
Ypage 258).
At speeds below 20 mph (30 km/h), the front
wheels lock cyclically during braking. The dig- ging-in effect achieved in the process reduces
the stopping distance on off-road terrain. This
limits steering capability.
BAS (Brake Assist System)
General information
BAS operates in emergency braking situa-
tions. If you depress the brake pedal quickly,
BAS automatically boosts the braking force,
thus shortening the stopping distance.
Important safety notes
iObserve the "Important safety notes" sec-
tion (
Ypage 68).
GWARNING
If BAS is malfunctioning, the braking distance
in an emergency braking situation is
increased. There is a risk of an accident.
In an emergency braking situation, depress
the brake pedal with full force. ABS prevents
the wheels from locking.
Braking
XKeep the brake pedal firmly depressed until
the emergency braking situation is over.
ABS prevents the wheels from locking.
The brakes will function as usual once you
release the brake pedal. BAS is deactivated.
BAS PLUS (Brake Assist System
PLUS)
General information
BAS PLUS can help you to minimize the risk of
a collision with a vehicle or reduce the effects
of such a collision. If BAS PLUS detects a
danger of collision, you are assisted when
braking.
iObserve the "Important safety notes" sec-
tion (
Ypage 68).
BAS PLUS is only available in vehicles equip-
ped with DISTRONIC PLUS.
For BAS PLUS to assist you, the radar sensor system must be operational.
With the help of the radar sensor system, BAS
PLUS can detect obstacles that are in the
path of your vehicle for an extended period of
time.
If the radar sensor system is malfunctioning,
BAS PLUS will not be available. The brake
system is still available with complete brake
boosting effect and BAS.
Important safety notes
GWARNING
BAS PLUS cannot always clearly identify
objects and complex traffic situations.
In such cases, BAS PLUS may:
Rintervene unnecessarily
Rnot intervene
There is a risk of an accident.
Always pay careful attention to the traffic sit- uation and be ready to brake. Terminate the
intervention in a non-critical driving situation.
GWARNING
BAS PLUS does not react:
Rto people or animals
Rto oncoming vehicles
Rto crossing traffic
Rwhen cornering
Driving safety systems69
Safety
Z

As a result, BAS PLUS may not intervene in allcritical situations. There is a risk of an acci-
dent.
Always pay careful attention to the traffic sit-
uation and be ready to brake.
In the event of snowfall or heavy rain, the rec-
ognition can be impaired.
Recognition by the radar sensor system is
also impaired in the event of:
Rthere is dirt on the sensors or anything elsecovering the sensors
Rthere is interference by other radar sources
Rthere are strong radar reflections, for
example in parking garages
Ra narrow vehicle traveling in front, e.g. a
motorbike
Ra vehicle traveling in front on a different line
relative to the center of your vehicle
Following damage to the front end of the vehi-
cle, have the configuration and operation of
the radar sensors checked at a qualified spe-
cialist workshop. This also applies to colli-
sions at low speeds where there is no visible
damage to the front of the vehicle.
Function
To avoid a collision, BAS PLUS calculates the brake force necessary if:
Ryou approach an obstacle, and
RBAS PLUS has detected a risk of collision
When driving at a speed under 20 mph
(30 km/h) : if you depress the brake pedal,
BAS PLUS is activated. The increase in brake
pressure will be carried out at the last possi-
ble moment.
When driving at a speed above 20 mph
(30 km/h) : if you depress the brake pedal
sharply, BAS PLUS automatically raises the
brake pressure to a value adapted to the traf-
fic situation.
BAS PLUS provides braking assistance in haz-
ardous situations with vehicles in front within a speed range between 4 mph (7 km/h) and
155 mph (250 km/h).
At speeds of up to approximately 40 mph
(70 km/h), BAS PLUS can also react to sta-
tionary objects. Examples of stationary
objects are stopped or parked vehicles.
iIf BAS PLUS demands particularly high
braking force, preventative passenger pro-
tection measures (PRE-SAFE
®) are activa-
ted simultaneously.
XKeep the brake pedal depressed until the
emergency braking situation is over.
ABS prevents the wheels from locking.
BAS PLUS is deactivated and the brakes func-
tion as usual aga
in, if:
Ryou release the brake pedal.
Rthere is no longer a risk of collision.
Rno obstacle is detected in front of your
vehicle.
If you have activated DSR (
Ypage 257), BAS
PLUS is likewise deactivated.
COLLISION PREVENTION ASSIST
General notes
COLLISION PREVENTION ASSIST consists of
Adaptive Brake Assist and the distance warn-
ing function, which are described in the fol-
lowing.
Distance warning function
Important safety notes
iObserve the "Important safety notes" sec-
tion (
Ypage 68).
GWARNING
The distance warning function does not react:
Rto people or animals
Rto oncoming vehicles
Rto crossing traffic
Rwhen cornering
70Driving safety systems
Safety

Thus, the distance warning function cannot
provide a warning in all critical situations.
There is a risk of an accident.
Always pay careful attention to the traffic sit-uation and be ready to brake.
GWARNING
The distance warning function cannot always
clearly identify objects and complex traffic
situations.
In such cases, the distance warning function
may:
Rgive an unnecessary warning
Rnot give a warning
There is a risk of an accident.
Always pay careful attention to the traffic sit-
uation and do not rely solely on the distance
warning function.
Function
XTo activate/deactivate: activate or deac-
tivate the distance warning function in the
on-board computer (
Ypage 281).
If the distance warning function is not activa-
ted, the æsymbol appears in the assis-
tance graphics display.
The distance warning function can help you to
minimize the risk of a front-end collision with
a vehicle ahead or reduce the effects of such
a collision. If the distance warning function
detects that there is a risk of a collision, you
will be warned visually and acoustically. The
distance warning function cannot prevent a
collision without your intervention.
Starting at a speed of around 4 mph (7 km/h),
the distance warning function warns you if
you rapidly approach a vehicle in front. An
intermittent warning tone will then sound,
and the ·distance warning lamp will light
up in the instrument cluster.
XBrake immediately in order to increase the distance from the vehicle in front.
or
XTake evasive action, provided it is safe to do
so.
Due to the nature of the system, particularly
complicated but non-critical driving condi-
tions may also cause the system to display a
warning.
With the help of the radar sensor system, the
distance warning function can detect obsta-
cles that are in the path of your vehicle for an extended period of time.
Up to a speed of around 40 mph (70 km/h),
the distance warning function can also react
to stationary obstacles, such as stopped or
parked vehicles.
If you approach an obstacle and the distance
warning function detects a risk of a collision,
the system will initially alert you both visually
and acoustically.
In particular, the detection of obstacles can
be impaired if:
Rthere is dirt on the sensors or anything elsecoverin g t
he sensors
Rthere is snow or heavy rain
Rthere is interference by other radar sources
Rthere are strong radar reflections, for
example in parking garages
Ra narrow vehicle traveling in front, e.g. a
motorbike
Ra vehicle traveling in front on a different line
Rnew vehicles or after the COLLISION PRE-
VENTION ASSIST system has been serv-
iced
Observe the notes in the section on break-
ing-in (
Ypage 164).
Following damage to the front end of the vehi-
cle, have the configuration and operation of
the radar sensor checked at a qualified spe-
cialist workshop. This also applies to colli-
sions at low speeds where there is no visible
damage to the front of the vehicle.
Driving safety systems71
Safety
Z

Adaptive Brake Assist
iObserveth e"Importan tsafet ynotes" sec -
tion (
Ypage 68) .
Adaptive Brake Assis tprovide sbraking assis-
tance in hazardous situation sat speeds
abov e 4mph (7 km/h). It uses radar sensor
technology to assess th etraffic situation .
GWARNING
Adaptive Brake Assis tcanno talways clearly
identify objects and complex traffic situa-
tions.
In suc hcases, Adaptive Brake Assis tcan :
Rinterven eunnecessarily
Rno tinterven e
There is aris kof an accident.
Always pay careful attention to th etraffic sit -
uation and be read yto brake. Terminate th e
intervention in anon-critical drivin gsituation .
GWARNIN G
Adaptive Brake Assis tdoes no treact:
Rto people or animals
Rto oncomin gvehicles
Rto crossing traffic
Rto stationary obstacles
Rwhen cornering
As aresult ,th eAdaptive Brake Assis tmay no t
interven ein all critical conditions. There is a
ris kof an accident.
Always pay careful attention to th etraffic sit -
uation and be read yto brake.
Due to th enature of th esystem, particularly
complicated but non-critical driving condi-
tion smay also caus eBrake Assis tto inter-
vene.
Wit hth ehelp of Adaptive Brake Assist, th e
distanc ewarning signal can detec tobstacles
that are in th epat hof your vehicl efor an
extended period of time.
If adaptive Brake Assis thas detecte dthat
there is aris kof acollision ,it calculates th e
braking force necessar yto avoi d acollision .Should you apply th
ebrakes vigorously,
Adaptive Brake As sistwill automatically
increas eth ebraking force to alevel suitable
for th etraffic conditions.
XKee pth ebrak epedal depressed until th e
emergenc ybraking situation is over.
AB Sprevents th ewheels from locking .
The brakes will wor knormally again if:
Ryou release th ebrak epedal .
Rthere is no longer any danger of acollision .
Rno obstacle is detecte din fron tof your
vehicle.
Adaptive Brake As sistis then deactivated.
Vehicles wit hPRE-SAFE
®:if adaptive Brake
Assis trequire sparticularly high brak epre s-
sure, preventive passenger protection meas -
ures (PRE-SAF E
®)are deployed simultane-
ously.
Up to vehicl espeeds of aroun d15 5mph
(25 0km/h), adaptive Brake Assis tis capable
of reacting to moving objects that hav e
already been recognized as suc hat least once
ove rth eperiod of observation .Adaptive
Brake Assis tdoes no treac tto stationary
obstacles.
If Adaptive Brake As sistis no tavailable due to
a malfunction in th eradar sensor system, th e
brak esystem remain savailable wit hfull
brak eboosting effec tand BAS.
In particular, th edetection of obstacles can
be impaire dif there is:
Rthere is dirt on th e sensorsor anythingelse
covering th e sensors
Rthere issnow or heav yrain
Rthere is interferenc eby other radar source s
Rthere arestrongradar reflections, for
exampl ein parking garages
Ranarrow vehicl etraveling in front, e.g. a
motorbik e
Ravehicl etraveling in fron ton adifferen tlin e
relative to th ecenter of your vehicl e
Rnewvehicles or after th eCOLLISION PRE -
VENTION ASSIST system has been serv-
ice d
72Driving safety systems
Safety

Observe the notes in the section on break-ing-in (
Ypage 164).
Following damage to the front end of the vehi-
cle, have the configuration and operation of
the radar sensor checked at a qualified spe-
cialist workshop. This also applies to colli-
sions at low speeds where there is no visible
damage to the front of the vehicle.
ESP®(Electronic Stability Program)
General notes
iObserve the "Important safety notes" sec-
tion (
Ypage 68).
ESP
®monitors driving stability and traction,
i.e. power transmission between the tires and
the road surface.
If ESP
®detects that the vehicle is deviating
from the direction desired by the driver, one
or more wheels are braked to stabilize the
vehicle. The engine output is also modified to
keep the vehicle on the desired course within
physical limits. ESP
®assists the driver when
pulling away on wet or slippery roads. ESP®
can also stabilize the vehicle during braking.
ETS/4ETS (Electronic Traction System)
4ETS traction control is part of ESP®.
Traction control brakes the drive wheels indi-
vidually if they spin. This enables you to pull
away and accelerate on slippery surfaces, for
example if the road surface is slippery on one
side. In addition, more drive torque is trans-
ferred to the wheel or wheels with traction.
Traction control remains active, even if you
deactivate ESP
®.
In appropriate driving situations, activate the
off-road program (
Ypage 258).
Off-road 4ETS (Electronic Traction Sys-
tem)
A 4ETS system specifically suited to off-road
terrain is activated automatically once the off-
road program is activated (
Ypage 258).
Important safety notes
GWARNING
If ESP
®is malfunctioning, ESP®is unable to
stabilize the vehicle. Additionally, further driv-
ing safety systems are deactivated. This
increases the risk of skidding and an accident.
Drive on carefully. Have ESP
®checked at a
qualified specialist workshop.
!Only operate the vehicle for a maximum of
ten seconds on a brake test dynamometer.
Switch off the ignition.
Application of the brakes by ESP
®may oth-
erwise destroy the brake system.
!A function or performance test should
only be carried out on a two-axle dyna-
mometer. Before you operate the vehicle
on such a dynamometer, please consult a
qualified workshop. You could otherwise
damage the drive train or the brake system.
ESP
®is only deactivated if the åwarning
lamp is lit continuously.
If the ÷ warning lamp and the åwarn-
ing lamp are lit continuously, ESP
®is not
available due to a malfunction.
Observe the information on warning lamps
(
Ypage 330) and display messages which
may be shown in the instrument cluster
(
Ypage 291).
iOnly use wheels with the recommended
tire sizes. Only then will ESP®function
properly.
Driving safety systems73
Safety
Z

ADAPTIVE BRAKE
ADAPTIVEBRAKE enhance sbraking safet y
and offers increased braking comfort .In addi-
tion to th ebraking function ,ADAPTIV EBRAKE
also has th eHOLD function (
Ypage 217) and
hill start assist (
Ypage 168).
PRE-SAFE®Brake
Gene ral inform ation
PRE-SAF E®Brake can help you to minimiz e
th eris kof acollision wit h avehicl eahead ,and
reduce th eeffects of suc h acollision .If PRE -
SAFE
®Brake has detecte d ariskof collision ,
you will be warned visually and acoustically as
well as by automatic braking .PRE-SAF E
®
Brake canno tpreven t acollision without your
intervention .
iPay attention to th eimportant safet y
note sin th e"Drivin gsafet ysystems "sec -
tion (
Ypage 68) .
PRE ‑S AF E
®Brake is only available for vehi-
cle swit hth eDrivin gAssistance package.
Fo rPRE-SAF E
®Brake to assist you when driv -
ing ,th eradar sensor system mus tbe opera-
tional.
Wit hth ehelp of th eradar sensor system,
PRE-SAF E
®Brake can detec tobstacles that
are in fron tof your vehicl efor an extended
period of time.
Import ant safety notes
GWARNIN G
PRE-SAF E
®Brake will initially brak eyour vehi-
cle by apartial application of th ebrakes if a
danger of collision is detected. There may be
a collision unless you also brake. Automatic
emergenc ybraking canno tpreven t acolli-
sion .There is aris kof an accident.
Always apply th ebrakes yourself and tr yto
tak eevasive action .
In theevent of apartial application of th e
brakes, th evehicl eis braked wit hup to 50 %of
th efull braking pressure.
GWARNIN G
PRE-SAF E
®Brake canno talways clearly iden -
tify objects and comple xtraffic conditions.
In these cases, PRE-SAF E
®Brake may:
Rgivean unnecessary warning and then
brak eth evehicl e
Rnotgiv e a warning or interven e
There is aris kof an accident.
Always pay particular attention to th etraffic
situation and be read yto brake, especially if
PRE-SAF E
®Brake warn syou. Terminate th e
intervention in anon-critical drivin gsituation .
In order to maintai nth eappropriat edistanc e
to th evehicl ein fron tand thus preven t acol-
lision, you mus tapply th ebrakes yourself .
At speeds of up to approximately 40 mph
(70 km/h )PRE-SAF E
®Brake can also detec t
stationary objects .Examples of stationary
objects are stoppedor parked vehicles.
GWARNIN G
PRE-SAF E
®Brake does no treact:
Rto people or animals
Rto oncomin gvehicles
Rto crossing traffic
Rwhen cornering
As aresult ,PRE-SAF E
®Brake may neither
giv ewarning sno rinterven ein all critical sit -
uations. There is aris kof an accident.
Always pay careful attention to th etraffic sit -
uation and be read yto brake.
In th eevent of snowfall or heav yrain ,th erec -
ognition can be impaired.
Recognition by th eradar sensor system is
also impaire din th eevent of:
Rthere is dirt on th e sensorsor anythingelse
covering th e sensors
Rthere is interferenc eby other radar source s
76Driving safety systems
Safety