Mercedes-Benz 2009 CL-Class Operator's Manual page 353

changes in tire traction can result in wheel
spin and loss of control.
The DISTRONIC Plus does not function in
adverse sight and distance conditions. Do
not use the DISTRONIC Plus during
conditions of fog, heavy rain, snow or sleet.
G Warning!
The DISTRONIC Plus cannot take weather
conditions into account. Switch off the
DISTRONIC Plus or do not switch it on if:
roads are slippery or covered with snow
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or ice. The wheels could lose traction
while braking or accelerating, and the
vehicle could skid.
the DISTRONIC Plus system sensor cover
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is dirty or visibility is diminished due to
snow, rain or fog, for example. The
distance control system functionality
could be impaired.
Always pay attention to surrounding traffic
conditions even while the DISTRONIC Plus
is switched on. Otherwise, you may not be
able to recognize dangerous situations until
it is too late. This could cause an accident
in which you and/or others could be
injured.
G Warning!
The "Resume" function should only be
operated if the driver is fully aware of the
previously set speed and wishes to resume
this particular preset speed.
G Warning!
Close attention to road and traffic
conditions is imperative at all times,
regardless of whether or not the
DISTRONIC Plus is activated.
Use of the DISTRONIC Plus can be
dangerous on winding roads or in heavy
traffic because conditions do not allow safe
driving at a constant speed.
The DISTRONIC Plus will not react to
stationary objects in the roadway (e.g. a
stopped vehicle in a traffic jam or a disabled
vehicle). The DISTRONIC Plus will also not
respond to oncoming vehicles.
Controls in detail
Driving systems
Switch off the DISTRONIC Plus:
when changing from the left to the right
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lane if vehicles are moving more slowly
in the left lane
when entering a turn lane or highway off
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ramp
in complex driving situations, such as in
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highway construction zones
In these situations, the DISTRONIC Plus will
continue to maintain the set speed unless
deactivated.
The DISTRONIC Plus is designed and
intended only to maintain a set speed and
keep a set distance from moving objects in
front of it.
The DISTRONIC Plus functions in a speed
range of 0 to 120 mph
(Canada: 0 to 200 km/h).
Do not use the DISTRONIC Plus if you are
driving on a road with steep uphill or downhill
slopes.
When traveling in Canada in a vehicle not
registered in Canada, you must switch off the
radar sensor system ( Y page 247). Canadian
law does not permit the use of the radar
sensor system for vehicles from outside of
Canada. When you switch off the radar sensor
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