Mercedes-Benz S-Class 2019 Operator's Manual page 476

474 Technical data
* NOTE Blocked spray nozzles caused by
mixing windshield washer fluids
Do not mix MB SummerFit and MB Win‐
#
terFit with other windshield washer flu‐
ids.
Do not use distilled or de-ionized water as the fill
level sensor may be triggered erroneously.
Recommended windshield washer fluid:
Above freezing point: e.g. MB SummerFit
R
Below freezing point: e.g. MB WinterFit
R
For the correct mixing ratio, refer to the informa‐
tion on the antifreeze container.
Mix the washer fluid with the windshield washer
fluid all year round.
Refrigerant
Notes on refrigerants
Observe the notes on operating fluids
( page 468).
→
* NOTE Damage due to incorrect refriger‐
ant
If a non-approved refrigerant is used, the cli‐
mate control system may be damaged.
Only use the refrigerant R‑134a
#
* NOTE Damage to the climate control
system due to incorrect refrigerant com‐
pressor 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 by a qualified specialist workshop.
All applicable regulations, as well as SAE stand‐
ard J639, must be adhered to.
1
Warning symbols
2 Refrigerant filling capacity
3 Applicable standards
4 PAG oil part number
5
Refrigerant type
Warning symbols 1 advise you about:
Possible dangers
R
Having service work carried out at a qualified
R
specialist workshop