Mercedes-Benz GLC Owner's Manual page 347

Display messages
344
Display messages
PRE-SAFE Functions PRE-SAFE Functions
currently limited currently limited
See Owner's Manual See Owner's Manual
PRE-SAFE Functions PRE-SAFE Functions
limited See Own‐ limited See Own‐
er's Manual er's Manual
Possible causes/consequences and M M Solutions
®
PRE‑SAFE PLUS or PRE‑SAFE
Possible causes:
the function is impaired due to heavy rain or snow
R
the radar sensor system is temporarily inoperative, e.g. due to
R
electromagnetic radiation emitted by nearby TV or radio sta-
tions or other sources of electromagnetic radiation
the system is outside the operating temperature range
R
the on-board voltage is too low
R
Once the causes listed above no longer apply, the display message
goes out.
®
PRE‑SAFE PLUS and PRE‑SAFE
If the display message does not disappear:
Pull over and stop the vehicle safely as soon as possible, paying
X
attention to road and traffic conditions.
Secure the vehicle against rolling away (
X
Restart the engine.
X
®
PRE‑SAFE PLUS or PRE‑SAFE
function. BAS PLUS with Cross-Traffic Assist may also have failed.
Consult a qualified specialist workshop immediately.
X
®
Brake is temporarily inoperative.
®
Brake are operational again.
page 219).
Y
®
Brake is unavailable due to a mal-