Trailer Operation - Mercedes-Benz Sprinter 2018 Operating Instructions Manual

active messages are shown in the multifunc‐
tion display.
To deactivate: stop the vehicle and shift the
#
transmission to neutral.
depress the clutch pedal.
#
wait about five seconds and with the engine
#
running press the lower section of the switch
2.
release the clutch pedal.
#
ADR (working speed control)
Function of ADR (working speed control)
When activated, ADR automatically increases the
engine speed to a preset speed or a speed you
have set.
%
After a cold start, the idle speed of the
engine is increased automatically. If the pre‐
set working speed is lower than the
increased idle speed, the working speed is
only reached once the engine has completed
the warm-up phase.
It is only possible to activate ADR with the
vehicle stationary and the parking brake
applied.
On vehicles with automatic transmission, the
selector lever must be in position j.
Activating/deactivating ADR
To activate: while the engine is running,
#
press switch 1.
The Working speed governor active
appears in the multifunction display.
To deactivate: while the engine is running,
#
press switch 2.
The ADR goes out automatically in the following
situations:
you release the parking brake.
R
you depress the brake pedal.
R
the vehicle moves.
R
the control unit detects a malfunction.
R
Adjusting ADR
Engage power take-off (
#
vate ADR.
To increase: press the switch 1.
#
To reduce: press the switch 2.
#

Trailer operation

Notes on towing a trailer
& WARNING Risk of accident‑ and injury if
the load is exceeded
If you exceed the permitted load when using
the rack, the rack system may disconnect
from the vehicle and endanger other road
users.
Always comply with the permitted load
#
when using the rack.
& WARNING Swerving of the car/trailer
combination due to increased speed
If the car/trailer combination swerves, you
message
can lose control of it.
The car/trailer combination can even tip over.
Under no circumstances should you try
#
to increase the speed to straighten the
car/trailer combination.
Driving and parking 175
page 174) or acti‐
/