Mercedes-Benz GLS 2023, Operator'S Manual

Page: 421 / 538

Mix washing water with windshield washer fluid all
year round.
Refrigerant
Notes on refrigerant
Observe the notes on operating fluids
(
/
page 412).
* NOTE Damage due to incorrect refrigerant
If a non-approved refrigerant is used, the cli-
mate control system may be damaged.
#
USA: use only R‑134a refrigerant.
#
Canada: use only R‑1234yf refrigerant.
*
NOTE Damage to the climate control sys-
tem due to incorrect refrigerant compres-
sor oil
#
Only use refrigerant compressor oil that
has been approved by Mercedes-Benz.
#
Do not mix the approved refrigerant
compressor oil with a different refriger-
ant compressor oil.
Work on the climate control system may be car-
ried out only at a qualified specialist workshop. All
applicable regulations as well as SAE standard
J639 must be adhered to.
The information label for the climate control sys-
tem regarding the refrigerant type and the refrig-
erant compressor oil (PAG oil) is located on the
inside of the hood.
Information label (example – USA)
1
Hazard and service warning symbols
2 Refrigerant filling capacity
3
Applicable standards
4 PAG oil part number
5
GWP (global warming potential) of the refriger-
ant used
6
Refrigerant type
Information label (example – Canada)
1
Hazard and service warning symbols
2 Refrigerant filling capacity
3
Applicable standards
4 PAG oil part number
5
GWP (global warming potential) of the refriger-
ant used
6
Refrigerant type
Technical data 419