ECO start/stop function ................ 121
General notes ................................ 118
Indicator lamp ................................ 122
Ionization ....................................... 127
Ionization (multimedia system) ...... 271
Notes on using the automatic cli-
mate control .................................. 120
Overview ........................................ 270
Overview of systems ...................... 118
Perfume atomizer .......................... 126
Perfume atomizer (multimedia
system) .......................................... 271
Problem with the rear window
defroster ........................................ 125
Problems with cooling with air
dehumidification ............................ 122
Rear control panel ......................... 119
Refrigerant ..................................... 365
Refrigerant filling capacity ............. 366
Setting the air distribution ............. 123
Setting the air vents ...................... 127
Setting the airflow ......................... 123
Setting the climate mode ............... 122
Setting the climate mode (multi-
media system) ............................... 271
Setting the temperature ................ 122
Switching air-recirculation mode
on/off ............................................ 125
Switching on/off ........................... 121
Switching residual heat on/off ...... 125
Switching the rear window
defroster on/off ............................ 124
Switching the synchronization
function on and off ........................ 123
Synchronization function (multi-
media system) ............................... 271
Climate control settings
Multimedia system ........................ 270
Climate control system
Climate control .............................. 121
Coat hooks ......................................... 285
Cockpit
Overview .......................................... 35
Code for Apps
see QR code
COMAND display
Cleaning ......................................... 313
Combination switch .......................... 109 Connecting a USB device
see also Digital Operator's Man-
ual .................................................. 266
Consumption statistics (on-board
computer) .......................................... 211
Controller ........................................... 267
Controlling the speed
see Distance Pilo t DISTRONIC
C
onvenience closing feature .............. 91
Convenience opening feature ............ 91
Coolant (engine)
Checking the level ......................... 306
Display message ............................ 238
Filling capacity ............................... 365
Important safety notes .................. 364
Temperature display in the instru-
ment cluster .................................. 207
Warning lamp ................................. 261
Cooling
see Climate control
Copyright ............................................. 34
Cornering light function
Display message ............................ 237
Function/notes ............................. 110
Crosswind Assist ................................. 71
Cruise control
Cruise control lever ....................... 159
Deactivating ................................... 160
Display message ............................ 247
Driving system ............................... 159
Function/notes ............................. 159
General notes ................................ 159
Important safety notes .................. 159
Setting a speed .............................. 160
Storing and maintaining current
speed ............................................. 160
Storing the current speed or call-
ing up the last stored speed .......... 160
Cup holder
Center console .............................. 288
Important safety notes .................. 287
Rear compartment ......................... 288
Customer Assistance Center
(CAC) ..................................................... 31
Customer Relations Department ....... 31
8Index
Speed rating
The speed rating is part of the tire identification.It specifies the speed range for which the tire is
approved.
GVW (Gross Vehicle Weight)
The gross vehicle weight includes the weight of the vehicle including fuel, tools, the spare wheel,
accessories installed, occupants, luggage and
the drawbar noseweight, if applicable. The gross
vehicle weight must not exceed the gross vehi-
cle weight rating GVWR as specified on the vehi- cle identification plate on the B-pillar on the
driver's side.
GVWR (Gross Vehicle Weight Rating)
The GVWR is the maximum permissible gross
weight of a fully loaded vehicle (the weight of the
vehicle including all accessories, occupants,
fuel, luggage and the drawbar noseweight, if
applicable). The gross vehicle weight rating is
specified on the vehicle identification plate on
the B-pillar on the driver's side.
Maximum loaded vehicle weight
The maximum weight is the sum of:
Rthe curb weight of the vehicle
Rthe weight of the accessories
Rthe load limit
Rthe weight of the factory installed optional
equipment
Kilopascal (kPa)
Metric unit for tire pressure. 6.9 kPa corre-
sponds to 1 psi. Another unit for tire pressure is
bar. 100 kilopascals (kPa) are the equivalent of
1 bar.
Load index
In addition to the load-bearing index, the load
index may also be imprinted on the sidewall of
the tire. This specifies the load-bearing capacity
more precisely.
Curb weight
The weight of a vehicle with standard equipment
including the maximum capacity of fuel, oil and
coolant. It also includes the air-conditioning sys-
tem and optional equipment if these are instal-
led in the vehicle, but does not include passen-
gers or luggage.
Maximum load rating
The maximum tire load is the maximum permis-
sible weight in kilograms or lbs for which a tire is
approved.
Maximum permissible tire pressure
Maximum permissible tire pressure for one tire.
Maximum load on one tire
Maximum load on one tire. This is calculated by
dividing the maximum axle load of one axle by
two.
PSI (pounds per square inch)
A standard unit of measure for tire pressure.
Aspect ratio
Relationship between tire height and tire width
in percent.
Tire pressure
This is pressure inside the tire applying an out-
ward force to each square inch of the tire's sur-
face. The tire pressure is specified in pounds per
square inch (psi), in kilopascal (kPa) or in bar.
The tire pressure should only be corrected when the tires are cold.
Cold tire pressure
The tires are cold:
Rif the vehicle has been parked with the tires
out of direct sunlight for at least three hours
and
Rif the vehicle has not been driven further than
1 mile (1.6 km)
Tread
The part of the tire that comes into contact with
the road.
Bead
The tire bead ensures that the tire sits securely
on the wheel. There are several steel wires in the
bead to prevent the tire from coming loose from
the wheel rim.
Sidewall
The part of the tire between the tread and the
bead.
352All about wheels and tires
Wheels and tires
The antifreeze concentrate/corrosion inhibitor
concentration in the engine cooling system
should:
Rbe at least 50%. This will protect the engine
cooling system against freezing down to
approximately -35 ‡ (-37 †).
Rnot exceed 55% (antifreeze protection down
to -49‡[-45 †]). Otherwise, heat will not be
dissipated as effectively
Mercedes-Benz recommends an antifreeze/
corrosion inhibitor concentrate in accordance
with MB Specifications for Service Products
310.1.
iWhen the vehicle is first delivered, it is filled
with a coolant mixture that ensures adequate
antifreeze and anti-corrosion protection.
iThe coolant is checked with every mainte-
nance interval at a qualified specialist work-
shop.
Filling capacities
ModelCapacity
Mercedes-AMG
GLC 43 4MATIC
Coupe12.2 US qt (11.5 l)
Mercedes-AMG
GLC 63 4MATIC+
Coupe
Mercedes-AMG
GLC 63 S 4MATIC+
Coupe11.7 US qt (11.1l)
Allot her models12.7 US qt (12.0 l)
Windshield washer system
Important safety notes
GWARNING
Windshield washer concentrate could ignite if it comes into contact with hot engine compo-
nents or the exhaust system. There is a risk of
fire and injury.
Make sure that no windshield washer con-
centrate is spilled next to the filler neck.
!Only use washer fluid that is suitable for
plastic lamp lenses, e.g. MB SummerFit or MB WinterFit. Unsuitable washer fluid could dam-
age the plastic lenses of the headlamps.
!Only MB SummerFit and MB WinterFit
washer fluid should be mixed together. The
spray nozzles may otherwise become
blocked.
Do not use distilled or de-ionized water. Other-
wise, the level sensor may give a false reading.
When handling washer fluid, observe the impor-
tant safety notes on service products
(
Ypage 361).
At temperatures above freezing:
XFill the washer fluid reservoir with a mixture of
water and windshield washer fluid, e.g. MB
SummerFit.
Add 1 part MB SummerFit to 100 parts water.
At temperatures below freezing:
XFill the washer fluid reservoir with a mixture of
water and washer fluid, e.g. MB WinterFit.
For the correct mixing ratio refer to the infor-
mation on the antifreeze reservoir.
iAdd windshield washer fluid, e.g. MB Sum-
merFit or MB WinterFit, to the washer fluid all
year round.
Climate control system refrigerant
Important safety notes
The climate control system of your vehicle is fil-
led with refrigerant R ‑134a.
The instruction label regarding the refrigerant
type used can be found on the radiator cross
member.
!Only the refrigerant R ‑134a and the PAG oil
approved by Mercedes-Benz may be used.
The approved PAG oil may not be mixed with
any other PAG oil that is not approved for
R-134a refrigerant. Otherwise, the climate
control system may be damaged.
Service work, such as refilling with refrigerant or
replacing component parts, may only be carried
out by a qualified specialist workshop. All appli-
cable regulations, as well as SAE standard J639,
must be adhered to.
Always have work on the climate control system
carried out at a qualified specialist workshop.
Service products and filling capacities365
Technical data
Z