radiator MERCEDES-BENZ GLC COUPE 2019 Owners Manual

in front of, behind or next
totheve hicle (depend‐
ing on theve hicle's equipment).
Depending on theve hicle's equipment, thera dar
sensors are integrated behind the bumpers
and/or behind the Mercedes star. The ultrasonic
sensors are located in the front and rear bump‐
ers. Keep these parts free of dirt, ice and slush
(/ page 475). The se nsors mustnot be cov‐
ered, forex ample bycycle rack s, ove rhanging
loads, sticke rs,fo il or foils toprotect against
st one chipping. Additional license plate brac kets
can li kewise impair the function of the ultrasonic
sensors. In theev ent of damage tothe bumpers
or radiator grille, or following a collision impact‐
ing the bumpers or radiator grille, ha vethe func‐
tion of the sensors checked at a qualified spe‐
cialist workshop. If the sensors are damaged,
some driving sy stems and driving saf ety sy stems
may no longer function proper ly. 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:
R 360° Camera (/ page243)
R ABS ( Anti-lo ckBra king System)
(/ page 201)
R Active Dis tance Assi stDISTRONIC
(/ page 216)
R Adaptive Brake Lights (/ page212)
R AIR BODY CONTROL (/ page 230)
R Active Brake Assi st (/ page 206)
R Active Lane Keeping Assist (/ page 260)
R ATTENTION ASSIST (/ page 253)
R BAS (Bra keAssist System) (/ page 201)
R Hill Start Assist (/ page 228)
R DYNA MIC BODY CONTROL (/ page 230)
R EBD ( Electronic Brakeforc eDistribution)
(/ page 206) R
ESP ®
(Elect ronic Stability Program)
(/ page 201)
R ESP ®
Crosswind Assist (/ page 205)
R ESP ®
trailer stabilisation (/ page 206)
R Active Speed Limit Assi st (/ page 220)
R HOLD function (/ page 228)
R STEER CONTROL (/ page 206)
R Active Steering Assist with rescue lane func‐
tion (/ page 222)
R Limiter (/ page213)
R Active Emergency Stop Assist (/ page 226)
R Active Parking Assist (/ page247)
R Parking Assist PARKTRONIC (/ page 233)
R Reversing camera (/ page240)
R Active Lane Change Assi st (/ page 224)
R Cruise control (/ page212)
R Blind Spot Assi stand Active Blind Spot Assi st
with exitwa rning (/ page 257)
R Traf fic Sign Assi st (/ page 255) 200
Driving and parking

Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
? Coolant warning lamp The
red coolant warning lamp is lit while the engine is running.
*Possible causes: R The temp erature sensor is malfunctioning
R The coolant le vel is too low
R The air supply tothera diator is obstructed
R The radiator fan is faulty
If th ere is an additional warning tone, the coolant temp erature has exceeded 120 °C. &
WARNING Danger of bu rns when opening the bonn et
If yo u open the engine bonn etwhen the engine has overheated or during a fire inthe engine compartment, you
could come into contact wi thhot gases or other escaping operating fluids. #
Before opening the bonn et, allow the engine tocool down. #
Intheeve nt of a fire inthe engine compartment, keep the engine bonn etclosed and call thefire service. #
Stop theve hicle immediately, paying attention toroad and traf fic conditions, and switch off the engine. Do not
continue driving under any circums tances. #
Obser vethe messages on 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. 602
Display messages and warning/indicator lamps