Dsr (Downhill Speed Regulation) - Mercedes-Benz Sprinter Operating Instructions Manual

Engaging/disengaging all-wheel drive
To engage/disengage: press the upper sec‐
#
tion of the switch 1.
The ÷ and : warning lamps light up in
the instrument display. ESP
deactivated for the duration of the shift oper‐
ation. If the shift operation is successful, the
÷ and : warning lamps in the instru‐
ment display go out and ESP
reactivated.
If the LOW RANGE transmission ratio is engaged,
all-wheel drive cannot be disengaged.
LOW RANGE transmission ratio
The LOW RANGE transmission ratio assists you
when driving on difficult terrain. If you engage
LOW RANGE, the engine's performance charac‐
teristics and the automatic transmission's shift‐
ing characteristics are adjusted accordingly. The
transmission ratio from the engine to the wheels
is around 40 % lower than in the road position.
The drive torque is increased correspondingly.
Conditions for engaging/disengaging
LOW RANGE can be engaged or disengaged in the
following situations only:
the engine is running.
R
the vehicle is stationary.
R
you depress the brake pedal.
R
the manual transmission is in neutral.
R
the selector lever of the automatic transmis‐
R
sion is in position j or i.
all-wheel drive is engaged.
R
Engaging/disengaging LOW RANGE
1
#
®
and ASR are
®
and ASR are
As long as the indicator lamp + is flashing,
you can cancel the shift operation by pressing
button
indicator lamp + briefly flashes three times.
One of the shift conditions was not met.
Notes on DSR
If you fail to adapt your driving style or you are
inattentive, DSR can neither reduce the risk of
accident nor override the laws of physics. DSR
cannot take road, weather and traffic conditions
into account. DSR is only an aid. You are respon‐
sible for a safe distance to the vehicle in front, for
vehicle speed and for braking in good time.
DSR assists you in all transmission positions
when driving downhill, e.g. when driving off-road
or on construction sites. DSR maintains a preset
speed for you on downhill gradients by applying
the brakes as required. Maintaining the speed is
dependent on the road surface conditions and
Engages and disengages LOW RANGE
To engage/disengage: press the upper sec‐
tion of the switch 1.
The + indicator lamp flashes in the instru‐
ment display for the duration of the shift
operation.
When the shift operation takes place and
R
LOW RANGE is engaged, the + indica‐
tor lamp lights up.
When the shift operation takes place and
R
LOW RANGE is disengaged, the + indi‐
cator lamp goes out.
1 again. If the shift operation fails, the

DSR (Downhill Speed Regulation)

127
Driving and parking