radiator MERCEDES-BENZ GLS SUV 2020 Owners Manual

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The radar sensors are integ rated behind the
bumpers and/or behind the Mercedes star.
1 Cameras in the outside mir rors
2 Multifunction camera
3 Front camera
4 Ultrasonic sensors
5 Reversing camera &
WARNING Risk of accident due to
re stricted de tection per form ance of vehi‐
cle sensors and cameras
If th e area around vehicle sensors or cam‐
eras is co vered, damaged or dirty, cer tain
driving and saf ety sy stems cann otfunction
cor rectly. The reis a risk of an accident. #
Keep the area around vehicle sensors
or cameras clear of any obstructions
and clean. #
Have damage tothe bumper, radiator
grille or stone chipping in the area of
th e front and rear wind owsrepaired at
a qu alified specialist workshop. Pa
rticular ly,ke ep the areas around the sensors
and cameras free of dirt, ice or slush
(/ page 369). The sensors and cameras may
not be co vered and the de tection ranges around
th em must be kept free. Do not attach additional
license pla tebrac kets, ad vertisements, sticke rs,
fo ils or foils toprotect against stone chippings in
th e de tection range of the sensors and cameras. Make sure
that there are no overhanging loads
pr otru ding into the de tection range.
If th ere is damage toa bumper or thera diator
grille, or af ter an impact, ha vethe function of
th e sensors checked at a qualified specialist
wo rkshop. Ha vedamage or stone chipping in the
area of the cameras on the front and rear win‐
do ws repaired at a qualified specialist workshop. Overview of driving sy
stems and driving
saf ety sy stems R
ABS (Anti-lo ckBra king System)
(/ page 226)
R Off-road ABS (/ page 226)
R BAS (Bra keAssist System) (/ page 227)
R ESP ®
(Electronic Stability Program)
(/ page 227)
R ESP ®
Crosswind Assist (/ page 228)
R ESP ®
trailer stabilisation (/ page 228)
R EBD (Electronic Brakeforc eDistribution)
(/ page 230)
R STEER CONTROL (/ page 230) Driving and parking
225

Engine
Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
ÿ Coolant warning lamp (red) *T
he red coolant warning lamp is lit while the engine is running.
Po ssible 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
R The engine coolant pump 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 in accordance with the traf fic conditions and switch off the engine. Do not continue
driving. #
Notethe messages on the multifunction displa y. Displ
aymessa ges and warning/indicator lamps 495