Mercedes-Benz GLC : Operating fluids / Refrigerant
Notes on refrigerant
Observe the notes on operating fluids.
NOTE Damage due to incorrect refrigerant
If a non-approved refrigerant is used, the climate control system may be damaged.
USA: use only
R‑134a refrigerant.
Canada: use only
R‑1234yf refrigerant.
NOTE Damage to the climate control system due to incorrect refrigerant compressor oil
Only use refrigerant
compressor oil that
has been approved by Mercedes-Benz.
Do not mix the approved
refrigerant
compressor oil with a different refrigerant
compressor oil.
Work on the climate control system may be carried out only by a qualified specialist workshop. All applicable regulations, as well as SAE standard J639, must be adhered to.
The information label for the climate control system regarding the refrigerant type and the refrig refrigerant compressor oil (PAG oil) is located on the inside of the hood.
Information label (example – USA/China)
Hazard and service warning
symbols
Refrigerant filling capacity
Applicable standards
PAG oil part number
GWP (global warming potential)
of the refrigerant
used
Refrigerant type
Information label (example – Canada)
Hazard and service warning
symbols
Refrigerant filling capacity
Applicable standards
PAG oil part number
GWP (global warming potential)
of the refrigerant
used
Refrigerant type
Symbols 
indicate the following:
- Possible dangers
- Having maintenance work carried out at a qualified specialist workshop
Filling capacity for refrigerant and PAG oil
Notes on windshield washer fluid
Observe the notes on operating fluids.
WARNING ‑ Risk of fire and injury from
windshield washer concentrate
Windshield washer concentrate is highly
flammable...
Vehicle data
..
Other information:
Mercedes-Benz GLC 2016-2026 Owners Manual: Operating the outside mirrors
WARNING Risk of accident due to adjusting the vehicle settings while the vehicle is in motion You could lose control of the vehicle in the following situations in particular: If you adjust the driver's seat, the head restraint, the steering wheel or the mirror while the vehicle is in motion If you fasten your seat belt while the vehi‐ cle is in motion Before starting the engine: In particular, adjust the driver's seat, head restraint, steering wheel and mirror, and fasten your seat belt...
Mercedes-Benz GLC 2016-2026 Owners Manual: Notes on parking the vehicle for an extended period
If you leave the vehicle parked for longer than six weeks, it may suffer damage through disuse. The 12 V battery may also be impaired or damaged by heavy discharging. Further information can be obtained at a qualified specialist workshop. NOTE Plug-in hybrid Observe the notes about the high-voltage battery in the Supplement...
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Activating/deactivating the panic alarm
Requirements:
The ignition is switched off.
To activate: press button
for approximately one second.
