Mercedes-Benz 2016 GLA Operator's Manual page 200

Driving systems
198
Activating/deactivating DSR
If you activate DSR and no speed has been
set, the vehicle decelerates to 3 mph
(6 km/h).
You can only activate DSR when driving at
speeds below 20 mph (30 km/h).
Activating DSR
Press button :.
X
Indicator lamp ; lights up.
The status indicator in the multifunction
display shows, e.g.
If the current vehicle speed is too high, the
DSR icon appears in the multifunction dis-
play. You will also see the message:
Speed 30 km/h
If you enter or exit a parking space using
Active Parking Assist, and press button :,
indicator lamp ; flashes. DSR can then not
be switched on.
Deactivating DSR
Press button :.
X
Indicator lamp ; goes out.
The DSR symbol appears in the multifunc-
tion display with the
DSR switches off automatically if you drive
faster than 22 mph (35 km/h). The DSR sym-
bol appears in the multifunction display with
the Off message. You also hear a warning
tone.
DSR 6 km/h.
Max.
.
Off message.
Display in the assistance graphic
Select the Assistance Graphic
X
using the on-board computer
( page 227).
Y
When DSR is activated symbol : appears
in the assistance graphics display.
Changing the set speed while the vehi-
cle is in motion
When DSR is activated, you can change the
set speed to a value between 2 mph and
11 mph (Canada: between 4 km/h and
18 km/h) while the vehicle is in motion.
To increase or decrease in 1 mph incre-
X
ments (Canada: 1 km/h increments):
briefly press the cruise control lever to the
pressure point, up : for a higher set speed
or down ; for a lower set speed.
The set value appears in the status indica-
tor of the multifunction display.
function