Mercedes-Benz CLS Owner's Manual page 195

192 Driving and parking
Display on the speedometer
The stored speed is highlighted on the speedom‐
eter. If the speed of the vehicle in front or the
speed adjustment is less than the stored speed
due to the route event ahead, the segments in
the speedometer light up. Deactivation of Active
Distance Assist DISTRONIC, as well as altera‐
tions to the speed due to manual or automatic
adoption of the maximum permissible speed, are
displayed in the control feedback of the multi‐
function display on a single line.
System limits
The system may be impaired or may not function
in the following situations, for example:
In snow, rain, fog, heavy spray, if there is
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glare, in direct sunlight or in greatly varying
light conditions.
The windscreen in the area of the camera is
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dirty, misted up, damaged or covered.
If the radar sensors are dirty or covered.
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In multi-storey car parks or on roads with
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steep uphill or downhill gradients.
If there are narrow vehicles in front, such as
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bicycles or motorcycles.
In addition, on slippery roads, braking or accel‐
erating can cause one or several wheels to lose
traction and the vehicle could then skid.
Do not use Active Distance Assist DISTRONIC in
these situations.
& WARNING Risk of accident from acceler‐
ation or braking by Active Distance
Assist DISTRONIC
Active Distance Assist DISTRONIC may accel‐
erate or brake in the following cases, for
example:
If the vehicle pulls away using Active Dis‐
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tance Assist DISTRONIC.
If the stored speed is called up and is
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considerably faster or slower than the
currently driven speed.
If Active Distance Assist DISTRONIC no
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longer detects a vehicle in front or does
not react to relevant objects.
Always carefully observe the traffic con‐
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ditions and be ready to brake at all
times.
Take into account the traffic situation
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before calling up the stored speed.
& WARNING Risk of accident due to insuf‐
ficient deceleration by Active Distance
Assist DISTRONIC
Active Distance Assist DISTRONIC brakes
your vehicle with up to 50% of the possible
deceleration. If this deceleration is not suffi‐
cient, Active Distance Assist DISTRONIC
alerts you with a visual and acoustic warning.
Adjust your speed and maintain a suita‐
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ble distance from the vehicle in front.
Brake the vehicle yourself and/or take
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evasive action.