Mercedes-Benz Sprinter 2019, Operating Instructions Manual

Page: 140 / 298

Functions of ASC (Acceleration Skid Control)
ASC can neither reduce the risk of an accident
nor override the laws of physics if the driver does
not pay attention when pulling away or accelerat‐
ing. ASC is only an aid. Always adapt your driving
style to suit the prevailing road and weather con‐
ditions.
If you activate or deactivate the all-wheel drive in
a vehicle with this option, ASC will be deactivated
for the duration of the activation/deactivation
process.
Vehicles without steering wheel buttons: if ASC is
malfunctioning, the ÷ indicator lamp lights up
while the engine is running and the engine output
may be reduced (
→
page 23).
ASC improves traction, i.e. the transfer of power
from the tires to the road surface, for a sustained
period and, thereby, also improves the driving
stability of the vehicle. If the driving wheels start
to spin, ASC brakes individual drive wheels and
limits the engine torque. ASC thus significantly
assists you when pulling away and accelerating,
especially on wet or slippery roads.
If traction on the road surface is not sufficient,
even ASC will not allow you to pull away without
difficulty. The type of tires and total weight of the
vehicle as well as the gradient of the road also
play a crucial role.
If ASC intervenes, the
÷ warning lamp in the
instrument display flashes.
Functions of ESP
®
(Electronic Stability Pro‐
gram)
&
WARNING Risk of skidding if ESP
®
is
malfunctioning
If ESP
®
is malfunctioning, ESP
®
cannot carry
out vehicle stabilization. In addition, other
driving safety systems are switched off.
#
Drive on carefully.
#
Have ESP
®
checked at a qualified spe‐
cialist workshop.
&
WARNING Risk of skidding if ESP
®
is
deactivated
If you deactivate ESP
®
, ESP
®
cannot carry out
vehicle stabilization.
#
ESP ® should only be deactivated in the
following situations.
Do not operate the vehicle on a roller dynamome‐
ter (e.g. for a performance test). If you have to
operate the vehicle on a roller dynamometer, con‐
sult a qualified specialist workshop beforehand.
If you activate or deactivate the all-wheel drive in
a vehicle with this option, ESP
®
will be deactiva‐
ted for the duration of the activation/deactiva‐
tion process.
If ESP
®
is malfunctioning or deactivated, the
÷ warning lamp lights up while the engine is
running and the engine output may be reduced
(
→
page 23).
%
Only use wheels with the recommended tire
sizes. Only then will ESP
®
function properly.
Activating/deactivating ESP
®
(Electronic Sta‐
bility Program)
On-board computer:
,
Settings
.
DriveAssist
.
ESP (ESP)
#
Select Ein (On) or Aus å (Off).
Functions of ESP
®
Crosswind Assist
Crosswind Assist does not work if ESP ® is deacti‐
vated or disabled due to a malfunction.
Crosswind Assist does not react under the follow‐
ing conditions:
R
The vehicle is subjected to severe jolts and
vibrations, e.g. as a result of uneven surfaces
or potholes.
R
The vehicle loses traction, e.g. on snow or ice
or when hydroplaning.
R
The driver is performing sudden and large
steering movements.
Crosswind Assist is operational again as soon as
the driving conditions return to normal.
Crosswind Assist detects strong crosswind gusts
that can impair ability of your vehicle to drive
straight ahead. Crosswind Assist intervenes
depending on the direction and strength of the
crosswind.
A stabilizing brake application helps you to keep
the vehicle on track.
Information is shown in the instrument cluster in
the event of a clearly discernible intervention by
Crosswind Assist.
Crosswind Assist is active above a vehicle speed
of 50 mph (80 km/h) when the vehicle is driving
straight ahead or cornering gently.
138 Driving and parking