Mercedes-Benz 600 SEL 1993 Owner's Manual page 88

Driving with Snow Chains
When driving with snow chains,
press the upper half of the snow
chain switch, located on the in­
strument panel (the indicator lamp
in the switch comes on), to obtain
maximum possible traction.
This mode is effective at speeds
up to 25 mph (40 km/h). It re­
mains stored in memory up to
37 mph (60 km /h) and auto­
matically engages again when the
vehicle speed drops below
25 mph (40 km /h).
The mode is canceled in memory
above 37 mph (60 km /h) and the
indicator lamp in the switch goes
out.
To switch off: press lower half of
switch (the indicator lamp in the
switch goes out).