Example: Coupé
G
WARNING
Blind Spo tAssist monitors certain areas in the
immediate vicinity of your vehicle. Vehicles
that approach and drive past at high speeds
are not detected. There is no displaya nd no
warning.
If the lanes are very wide, it may not be pos-
sible to monitor the complete width of the
neighbouring lane. For this reason, vehicles in
the next lane may not be detected, especially
if they are driving in astaggered formation in
different lanes. This may be the case if vehi-
cles are driving at the edge of their lane that
is furthest awayf rom your vehicle.
Always pay attention to traffic conditions and
your surroundings. Otherwise, you may fail to
recognise dangers in time, cause an accident
and injure yourselfa nd others.
If the lanes ar enarrow ,the system may be
unable to distinguish the neighbouring lane
from the one beyond it. For this reason, vehi-
cles in the farther lane may be indicated,
especiallyift he vehicles are driving in astag-
gered formation in different lanes. In particu-
lar, this may be the case if the vehicles are
driving at the edge of their lane nearest your
vehicle. Due to the nature of the system:
R
warnings may be issued in error when driv-
ing close to crash barriers or similar solid
lane borders.
R warnings may be interrupted when driving
alongside particularly long vehicles, for
example lorries, for aprolonged time.
The two sensors for Blind Spot Assist are
integrated into the sides of the rear bumper.
Make sure that the bumper is free of dirt, ice
or slush around the sensors. For example, the
radar sensors must not be covered by cycle
racks or overhanging loads. Following a
severe impact or in the event of damage to
the bumpers, have the function of the radar
sensors checked at aqualified specialist
workshop, e.g. aMercedes-Ben zService
Centre. Blind Spot Assist may otherwise not
work properly.
Indicator and warning display :
Yellow indicator lamp/red warning lamp
If Blind Spot Assist is switched on, indicator
lamp :in the exterior mirror slights up yel-
low up to aspeed of 30 km/h. At speeds
above 30 km/h, the indicator lamp goes out
and Blind Spot Assist is operational.
If av ehicle is detected within the monitoring
range of Blind Spot Assist at speeds above
30 km/h, warning lamp :on the corre-
spondin gside lights up in red. This warning is
alway semitted when avehicle enters the
blind spot monitoring range from behind or
from the side. When you overtake avehicle, Driving systems
197Driving and parking Z
R
the lane markings ar eworna way, dark or
covered up ,e.g.byd irtors now.
R the distance to the vehicl einfront is too
small and the lane marking sthu sc anno tbe
detected.
R the lane markings on the road are unclear,
e.g. near roadworks.
R the lane markings chang equickly, e.g.
lanes branc hoff, cros sone another or
merge.
R the road is narro wand winding.
Lane Keeping Assist cannot detec troad and
traffic conditions. It is not asubstitute for
attentive driving .You are responsible for the
vehicle's speed, braking in good time, and
steering correctly. Always adapt your driving
style to suit the prevailing road and weather
conditions. Always pay attention to traffic
conditions and your surroundings. Otherwise,
you may fail to recognise dangers in time,
cause an accident and injure yourself and oth-
ers.
Aw arning may be given if afront wheel
passes over alane marking. It will warn you
by means of intermittentv ibration in the
steering wheel for up to 1.5 seconds.
Activating Lane Keeping Assist
X Symbol :appears in the multifunction
display. Active Driving Assistance package
General notes The Active Drivin
gAssistance package con-
sists of DISTRONIC PLUS (Y page 171), Active
Blind Spot Assist (Y page 199) and Active
Lane Keeping Assist (Y page 202).
Active Blind Spot Assist Important safety notes
Active Blind Spot Assist uses
aradar sensor
system to monitor the side areas of your vehi- cle that are behind the driver.
Awarning dis-
play in th eexteri or mirror sdraws your atten-
tio ntod etected vehicles in the monitored
area. If you then switch on the corresponding
turn signal to change lane, you will also
receive avisual and acoustic collision warn-
ing. If arisk of lateral collision is detected,
corrective braking may help you avoid acol-
lision. To support the course-correcting brake
application, Active Blind Spot Assist also uses
the forward-facin gradar sensor system.
Active Blind Spot Assist provides assistance
at speeds higher than about 30 km/h. G
WARNING
Active Blind Spot Assist is only an aid and may
detect vehicles/obstacles incorrectly or not
at all.
The system may be impaired or may not func-
tion if:
R there is poor visibility, e.g. due to snow,
rain, fog or spray.
R the rear and/or front sensors are dirty.
Active Blind Spot Assist may not detect nar-
row vehicles, such as motorcycles or bicycles,
or only detect them too late. It cannot detect
vehicles which are overtaken at asmall dis-
tancea nd then enter the blind spot area.
Active Blind Spot Assist cannot detect road
and traffic conditions. It is not asubstitute for
attentive driving. You are responsible for the
vehicle's speed, braking in good time, and
steering correctly. Always adapt your driving
style to suit the prevailing road and weather
conditions. Always pay attention to traffic
conditions and your surroundings. Otherwise,
you may fail to recognise dangers in time,
cause an accident and injure yourself and oth-
ers.
The radar sensor system is automatically
deactivated near radio telescope facilities
(Y page 345).
For Active Blind Spot Assist to assist you
when driving, the radar sensor system must
be activated (Y page 229) and operational. Driving systems
199Driving and parking Z
Monitoring range
Active Blind Spot Assist monitors the area up
to three metres behind yourv
ehicle and
directly nexttoy our vehicle, as shown in the
diagram. For this purpose, Active Blind Spot
Assist uses radar sensors in the rear bumper. Example: Coupé
G
WARNING
Active Blind Spot Assist monitors certain
areas in the immediate vicinit yofyour vehicle.
Vehicles that approach and drive past at high
speeds are not detected. No visual nor audi-
ble warnings are emitted and the system does
not brake the vehicle to correc tyour course.
If the lanes are very wide, it may not be pos-
sible to monitor the complete width of the
neighbouring lane. For this reason, vehicles in
the next lane may not be detected, especially
if they are driving in astaggered formation.
This may be the case if vehicles are driving at
the edge of their lane that is furthest away
from your vehicle.
Always pay attention to traffic conditions and
your surroundings. Otherwise, you may fail to
recognise dangers in time, cause an accident
and injure yourself and others.
If the lanes are narrow, vehicles driving in the
lane beyond the lane next to your vehicle may
be indicated, especially if the vehicles are not driving in the middle of their lane. This may
be the case if the vehicles are driving on the
inner side of their lane.
Due to the nature of the system:
R
warnings may be issued in error when driv-
ing close to crash barriers or similar solid
lane borders.
R warnings may be interrupted when driving
alongside particularly long vehicles, for
example lorries, for aprolonged time.
Two Active Blind Spot Assist radar sensors
are integrated into the front and rear bumpers
respectively. An additional radar sensor is
located behind the cover in the radiator grille.
Make sure that the bumpers are free of dirt,
ice or slush around the sensors. The rear sen-
sors must not be covered, for example by
cycle racks or overhanging loads. Following a
severe impact or in the event of damage to
the bumpers, have the function of the radar
sensors checked at aqualified specialist
workshop, e.g. aMercedes-Benz Service
Centre. Active Blind Spot Assist may other-
wise fail to work correctly.
Indicator and warning display :
Yellow indicator lamp/red warning lamp
When Active Blind Spot Assist is activated,
indicator lamp :in the exterior mirrors lights
up in yellow at speeds of up to 30 km/h. At
speeds above 30 km/h, the indicator lamp
goes out and Active Blind Spot Assist is
operational.
If av ehicle is detected within the monitoring
range of Blind Spot Assist at speeds above 200
Driving systemsDriving and parking
Display messages Possible causes/consequences and
M Solutions
Blind Spo
tAssist currently unavail‐
abl
eS ee Owner's Manual or
Active Blind Spo
tAssist currently unavail‐
abl
eS ee Owner's Manual Blind Spot Assis
torActive Blind Spot Assist is temporaril yinop-
erative if:
R yo uh avee stablished the electrical connection between the
traile rand your vehicle.
R the sensors ar edirty.
R its functio nisimpaired due to heavy rain or snow.
R the radar sensor system is outside the operating temperature
range.
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.
The yellow 9indicator lamps also light up in the exterior mir-
rors.
Blind Spot Assist or Active Blind Spot Assist is operational again
and the displaym essage disappears if:
R the dirt (e.g. slush) drops awayw hile the vehicle is in motion.
R the system detects that the sensors are fully available again.
R the radar sensor system is back within the operating tempera-
ture range.
If the displaym essage continues to be displayed:
X Cleant he sensors (Y page 290).
X Restart the engine. Blind Spot Assist
inoperative or
Active Blind Spot Assist inoperative Blind Spot Assist or Active Blind Spot Assist is faulty.
The yellow
9indicator lamps also light up in the exterior mir-
rors.
X Visit aqualified specialist workshop. Parking Guidance
inoperative Parking Guidance is malfunctionin
g(Ypage 189).
X Restart the engine.
If the displaym essage continues to be displayed:
X Visit aqualified specialist workshop. 246
Display messagesOn-board computer and displays
Display messages Possible causes/consequences and
M Solutions
Parkin
gGuidance cancelled Parking Guidance has been deactivated because:
R
thev ehicl eiss kidding.
R thes ensor sare dirty.
R am alfunction has occurred.
Aw arning tone also sounds.
X Reactivat eParking Guidance late r(Y page 189).
If the parkin gspace symbol does not appear in the multifunction
display at speeds below 30 km/h:
X Clean the sensors (Y page 290).
X Restart the engine.
If the parkin gspace symbol still does not appear in the multifunc-
tion display at speeds below 30 km/h:
X Visit aqualified specialist workshop. Parkin
gGuidance has been deactivated because you are no longer
following the recommended path.
X Park again and, while doing so, observe the display messages
in the multifunction display. Parkin
gGuidance finished The vehicle is parked.
Awarning tone also sounds.
The display message disappears automatically. DISTRONIC PLUS
off DISTRONI
CPLUSh as been deactivate d(Ypage 171). If it was
deactivate dautomatically, awarning tone also sounds. DISTRONIC PLUS
available again DISTRONI
CPLUSiso perational againa fter having been tempo-
rarily unavailable .You can now reactivat eDISTRONIC PLUS
(Y page 171). Display messages
247On-board computer and displays Z