Mercedes-Benz GLC : Emergency spare wheel / Inflating the emergency spare wheel
NOTE Overheating due to the tire inflation compressor running too long
Do not run the tire
inflation compressor
for longer than ten minutes without
interruption.
Requirements:
Comply with the manufacturer's safety notes on the sticker of the emergency spare wheel and on the tire inflation compressor.
Remove the sticker with the
label 50 mph
(80 km/h) from the tire inflation compressor
housing and affix it to the instrument cluster
within the driver's field of vision.
Remove the tire inflation
compressor from
the storage space under the trunk floor.
Pull filler hose
and plug 4 out of the tire
inflation compressor housing.
Insert plug
of filler hose
in the socket
on the tire inflation compressor and then
turn it until plug 
engages.
Unscrew the cap from the valve
on the emergency
spare wheel.
Screw union nut
of filler hose
onto the
valve.
Make sure on and off switch
of the tire
inflation compressor is set to 0.
Insert plug
in a socket in your vehicle.
- Cigarette lighter socket
- Observe the notes on the cigarette lighter in the Digital Operator's Manual
Turn the SmartKey to position
in the ignition
lock.
Press on and off switch
on the tire inflation
compressor to I.
The tire inflation compressor is switched on. The tire is inflated. The tire pressure is shown on manometer
.
Pump the tire to the specified
tire pressure.
The specified tire pressure is stated on the label of the emergency spare wheel.
When the specified tire
pressure has been
reached, press on and off switch 
on the
tire inflation compressor to 0.
The tire inflation compressor is switched off.
Turn the SmartKey to position
in the ignition
lock.
If the tire pressure is higher
than the specified
pressure, press pressure release valve
button 
until the correct tire
pressure has
been reached.
Unscrew union nut
of filler hose
from
the valve.
Screw the valve cap of the
emergency spare
wheel onto the valve again.
Store filler hose
and plug
in the lower
section of the tire inflation compressor housing.
Store the tire inflation
compressor in the
vehicle.
Notes on the emergency spare wheel
WARNING Risk of accident caused by
incorrect wheel and tire dimensions
The wheel or tire size and the tire type of the
emergency spare wheel or spare wheel and
the wheel to be replaced may differ...
Other information:
Mercedes-Benz GLC 2016-2025 Owners Manual: Function of ABS. Functions of Off-road ABS
Function of ABS The Anti-lock Brake System (ABS) regulates the brake pressure in critical driving situations: During braking, e.g. at full brake application or insufficient tire traction, the wheels are prevented from locking. Vehicle steerability while braking is ensured...
Mercedes-Benz GLC 2016-2025 Owners Manual: Function of the tow-away alarm
This function may not be available in all countries. An audible and visual alarm is triggered if an alteration to your vehicle's angle of inclination is detected while the tow-away alarm is armed. The tow-away alarm is automatically armed after approximately 60 seconds: After locking the vehicle with the SmartKey After locking the vehicle using KEYLESS-GO The tow-away alarm is only armed when the following components are closed: Doors Tailgate The tow-away alarm is automatically deactivated: After pressing the or button on the SmartKey After pressing the start/stop button with the SmartKey in the storage compartment After unlocking the vehicle using KEYLESSGO When using HANDS-FREE ACCESS Information on collision detection on a parked vehicle...
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To unlock and open a front
door: pull door
handle 
.
