Mercedes-Benz A-Class 2020 Operator's Manual page 205

speed, for braking in good time and for staying
in lane.
Active Lane Keeping Assist can bring the vehicle
back into the lane with a lane-correcting brake
application. In the case of a broken lane marking
being detected, a brake application will only be
made if a vehicle has been detected in the adja‐
cent lane. Oncoming traffic can be detected.
Vehicles with Driving Assistance Package or
Driving Assistance Plus Package: overtaking
vehicles and vehicles in adjacent lanes can also
be detected.
Vehicles without Driving Assistance Pack‐
age or Driving Assistance Plus Package: a
lane-correcting brake application also takes
place when, in addition to a broken lane mark‐
ing, the edge of a firm road surface is detected
(e.g. central reservation).
Active Lane Keeping Assist is available in the
speed range between 37 mph (60 km/h) and
124 mph (200 km/h).
If a lane-correcting brake application occurs, dis‐
play 1 appears in the multifunction display.
Sensitivity of Active Lane Keeping Assist
% The availability of the following function is
country-dependent.
A lane-correcting brake application also occurs
in the Sensitive setting in the following situa‐
tions:
Active Lane Keeping Assist detects a solid
R
lane marking.
A front wheel drives over this lane marking.
R
Driving and parking 203
System limits
No lane-correcting brake application occurs in
the following situations:
You clearly and actively steer, brake or accel‐
R
erate.
You have switched on the turn signal indica‐
R
tor (situation-dependent).
A driving safety system intervenes, such as
R
ESP ® , Active Brake Assist or Active Blind
Spot Assist.
You have adopted a sporty driving style with
R
high cornering speeds or high rates of accel‐
eration.
When ESP ® is deactivated.
R
If a loss of tire pressure or a faulty tire has
R
been detected and displayed.
The system may be impaired or may not function
in the following situations:
If there is poor visibility, e.g. due to insuffi‐
R
cient illumination of the road, if there are
highly variable shade conditions or in rain,
snow, fog or heavy spray.