Mercedes-Benz E-Class 2009 Owner's Manual page 129

Driving systems
126
when changing to a lane with faster moving
R
traffic
in complex driving situations or where the
R
lanes are diverted, e.g. at motorway/road-
way construction sites
Otherwise, DISTRONIC PLUS maintains the
current speed or accelerates up to the set
speed.
DISTRONIC PLUS cannot take account of
weather conditions. Deactivate, or do not
activate, DISTRONIC PLUS if:
the roads are slippery, snow-covered or icy.
R
The wheels could lose grip when braking or
accelerating. The vehicle could start to
skid.
the sensors are dirty or there is poor visi-
R
bility, e.g. due to snow, rain or fog. Distance
control may be impaired.
Always pay attention to traffic conditions
even when DISTRONIC PLUS is activated.
Otherwise, you may fail to recognise dangers
in time, cause an accident and injure yourself
and others.
The radar sensor system is automatically
deactivated near radio telescope facilities
( page 304).
Y
If you want Distronic Plus to assist you, the
radar sensor system must be activated and
operational.
If no car is driving in front of you, Distronic
Plus works like cruise control in the speed
range between 30 km/h and 200 km/h. If a
vehicle is driving in front of you, Distronic Plus
works in the speed range between 0 km/h
and 200 km/h.
Do not use Distronic Plus while driving on
roads with steep gradients.
G Risk of accident
DISTRONIC PLUS brakes your vehicle at a
maximum of 4 m/s
This corresponds to approximately 40% of
your vehicle's maximum brake force. You
2
depending on its speed.
must also apply the brakes yourself if this
braking power is not sufficient.
If DISTRONIC PLUS detects a risk of collision
with a vehicle in front, an intermittent warning
tone sounds. In addition, the · distance
warning lamp in the instrument cluster lights
up. Brake to avoid a collision.
Cruise control lever
With the cruise control lever you can operate
Distronic Plus and variable Speedtronic.
The LIM indicator lamp on the cruise control
lever indicates which system you have selec-
ted:
LIM indicator lamp off:
R
Distronic Plus is selected.
LIM indicator lamp lit:
R
Variable Speedtronic is selected.
To store the current speed or a higher
:
speed
To adjust the specified distance
;
LIM indicator lamp
=
To store the current speed or call up the
?
last stored speed
To store the current speed or a lower
A
speed
To switch between Distronic Plus and var-
B
iable Speedtronic
To deactivate Distronic Plus
C