Mercedes-Benz GLC : Display messages and warning/indicator lamps / Warning and indicator lamps
Some systems will perform a self-test when the
ignition is switched on. Some indicator and
warning lamps may briefly light up or flash. This
behavior is non-critical...
Other information:
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...
Regarding the manufacturer's online services,
the individual functions are described by the
manufacturer in a suitable place, for example, in
the Operator's Manual or on the manufacturer's
website, where the relevant data protection
information is also given...