#Select < H V.
St andby mode is activated.
Driving and driving saf ety sy stems
Driving sy stems and your responsibility
Yo ur vehicle is equipped with driving sy stems
which assist youin drivin g, parking and maneu‐
ve ring theve hicle. The driving sy stems are aids
and do not relie ve you of your responsibility. Pay
attention tothe tra ffic conditions at all times
and inter vene when necessary . Beaware of the
limitations rega rding the safe use of these sys‐
te ms.
Fu nction of thera dar senso rs
Some driving and driving safe ty systems use
ra dar sensors tomonitor the area in front of,
behind or next totheve hicle (depending on the
ve hicle's equipment).
Depending on theve hicle's equipment, thera dar
sensors are integrated behind the bumpers
and/or behind thera diator grill. Keep these
parts free of dirt, ice and slush (
→page 389). The sensors must not be co
vered, forex ample
by bicycle rack s, overhanging loads or radar-
re flecting sticke rs.Fo llowing an impact and in
th eeve nt of associated damage , which may not
be visible, tothe bumpers or radiator grille, ha ve
th e function of thera dar sensors checked at a
qu alified specialist workshop. The driver assis‐
ta nce sy stem may no longer workproperly.
Overview of driving sy stems and driving
saf ety sy stems
In this section, you will find information about
th efo llowing driving sy stems and driving saf ety
sy stems:
R360° Camera (→page 224)
RABS (Anti-lock BrakingSystem)
(→page 189)
RAc tive Dis tance Assist DISTRONIC
(→pa ge 199)
RAIR BODY CONTROL(→page 211)
RAc tive Brake Assi st(→page 192)
RAc tive Lane Keeping Assist (→page 240)
RATTENTION ASSIST (→page 232)
RBA S (Bra ke Assist System) (→page 189)
REBD ( Electronic Brakeforc eDistribution)
(→page 192)
RESP®(E lectronic Sta bility Program)
(→page 189)
RHOLD function (→page 210)
RST EER CONTROL (→page 192)
RAc tive Steering Assist (→page 204)
RMAGIC BODY CONTROL (→page 214)
RAc tive Parking Assist (→page 226)
RPa rking Assist PARKTRONI C (→page21 8)
RRe ar view camera (→page 222)
RCruise control (→page 196)
RBlind Spot Assist and Active Blind Spot Assi st
(→page 238)
RTr af fic Sign Assist (→page 233)
188
Driving and pa rking
Warning/indicator lamp
Possible causes/consequences and MSolutions
?
Coolantwarning lamp The
red coolant warning lamp is lit while the engine is running.
Po ssible causes are:RThe temp erature sensor is malfunctioning
RCoolant le velto o low
RThe air supply tothera diator is obstructed
RThe radiator fan is de fective
If th ere is an additional warning tone, the coolant temp erature has exceeded the maximum permissible temp erature.
&
WARNING Danger of burn s when opening the hood
If yo u open the hood when the engine has overheated or during a fire inthe engine compartment, you could come
into contact with hot gases or other escaping operating fluids.
#Before opening the hood, allow the engine tocool down.
#Intheeve nt of a fire inthe engine compartment, keep the hood closed and call thefire service.
#Stop theve hicle immediately, paying attention toroad and traf fic conditions, and switch off the engine. Do not con‐
tinue driving under any circums tances.
#Obser vethe messages in the multifunction displa y.
If th e coolant temp erature display is at the lo wer end of thete mp erature scale:
#Consult a qualified specialist workshop.
Display messages and warning/indicator lamps 51
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