Mercedes-Benz SL 2015 Owner's Manual page 162

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Winter driving
G
WARNING
If you shift down on a slippery road surface in
an attempt to increase the engine's braking
effect, the drive wheels could lose their grip.
This increases the risk of skidding and having
an accident.
Do not shift down for additional engine brak-
ing on a slippery road surface.
G
DANGER
If the exhaust pipe is blocked or adequate
ventilation is not possible, poisonous gases
such as carbon monoxide (CO) may enter the
vehicle. This is the case, e.g. if the vehicle
becomes trapped in snow. There is a risk of
fatal injury.
If you leave the engine or the auxiliary heating
running, make sure the exhaust pipe and area
around the vehicle are clear of snow. To
ensure an adequate supply of fresh air, open a
window on the side of the vehicle that is not
facing into the wind.
!
Take care not to damage the sealing strip
and the moulding on the side of the rear win-
dow when scraping ice off the rear window.
Have your vehicle winterproofed at a qualified
specialist workshop at the onset of winter.
You should drive particularly carefully on slip-
pery road surfaces. Avoid sudden acceleration,
steering and braking manoeuvres. Do not use
cruise control.
If the vehicle threatens to skid or cannot be
stopped when moving at low speed:
Shift the transmission to position N.
X
Try to bring the vehicle under control by using
X
corrective steering.
The outside temperature indicator is not
designed to serve as an ice-warning device and
is therefore unsuitable for that purpose.
Changes in the outside temperature are dis-
played after a short delay.
Indicated temperatures just above the freezing
point do not guarantee that the road surface is
free of ice. The road may still be icy, especially in
wooded areas or on bridges. The vehicle could
skid if you fail to adapt your driving style. Always
adapt your driving style and drive at a speed to
suit the prevailing weather conditions.
You should pay special attention to road condi-
tions when temperatures are around freezing
point.
Further information on driving with snow chains
(
page 307).
Y
Further information on driving with summer
tyres (
page 306).
Y
Observe the notes in the "Winter operation" sec-
tion (
page 306).
Y
Driving systems
Cruise control
General notes
Cruise control maintains a constant road speed
for you. It brakes automatically in order to avoid
exceeding the set speed. On long and steep
downhill gradients, especially if the vehicle is
laden, you must select a lower gear in good time.
By doing so, you will make use of the braking
effect of the engine. This relieves the load on the
brake system and prevents the brakes from
overheating and wearing too quickly.
Use cruise control only if road and traffic con-
ditions make it appropriate to maintain a steady
speed for a prolonged period. You can set any
road speed above 30 km/h.
Important safety notes
If you fail to adapt your driving style, cruise con-
trol can neither reduce the risk of accident nor
override the laws of physics. Cruise control can-
not take road, weather and traffic conditions
into account. Cruise control is only an aid. You
are responsible for the distance to the vehicle in
front, for vehicle speed, for braking in good time
and for maintaining lane.
Do not use cruise control:
in road and traffic conditions which do not
R
allow you to maintain a constant speed, e.g.
heavy traffic or winding roads.
on slippery roads. Braking or accelerating
R
may cause the drive wheels to lose traction
and the vehicle could then skid.
when there is poor visibility, e.g. due to fog,
R
heavy rain or snow.
Driving systems
159
Z

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