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Driving systems
194
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.
You can set a variable or permanent limit
speed:
variable for speed limits, e.g. in built-up
R
areas
permanent for long-term speed restric-
R
tions, e.g. when driving with winter tyres
fitted (
page 196)
Y
i
The speed indicated in the speedometer
may differ slightly from the limit speed
stored.
Important safety notes
If you fail to adapt your driving style, SPEED-
TRONIC can neither reduce the risk of acci-
dent nor override the laws of physics. SPEED-
TRONIC cannot take into account road,
weather or traffic conditions. SPEEDTRONIC
is only an aid. You are responsible for the dis-
tance to the vehicle in front, for vehicle speed,
for braking in good time, and for staying cor-
rectly in lane.
If there is a change of drivers, advise the new
driver of the speed stored.
Variable SPEEDTRONIC
Cruise control lever
Cruise control lever
To store the current speed or a higher
:
speed
LIM indicator lamp
;
To store the current speed and to call up
=
the last stored speed
To store the current speed or a lower
?
speed
To switch between cruise control or DIS-
A
TRONIC PLUS and variable SPEEDTRONIC
To deactivate variable SPEEDTRONIC
B
With the cruise control lever, you can operate
cruise control or DISTRONIC PLUS and vari-
able SPEEDTRONIC.
LIM indicator lamp ; on the cruise control
lever indicates which system you have selec-
ted:
LIM indicator lamp ;
R
or DISTRONIC PLUS is selected.
LIM indicator lamp ;
R
SPEEDTRONIC is selected.
You can use the cruise control lever to limit
the speed to any speed above 30 km/h while
the engine is running.
; off: cruise control
; on: variable
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