Mercedes-Benz GLB 2023 Operator's Manual page 185

In the following situations, the vehicle is held by
transmission position j and/or by the electric
parking brake:
The seat belt is unfastened and the driver's
R
door is opened.
The vehicle is switched off.
R
There is a system malfunction.
R
The power supply is insufficient.
R
Function of Hill Start Assist
Hill Start Assist holds the vehicle for a short time
when you pull away on a hill under the following
conditions:
The transmission is in position h or k.
R
The electric parking brake is released.
R
This gives you enough time to move your foot
from the brake pedal to the accelerator pedal and
depress it before the vehicle begins to roll away.
& WARNING Risk of accident and injury due
to the vehicle rolling away
After a short time, Hill Start Assist no longer
holds the vehicle.
Swiftly move your foot from the brake
#
pedal to the accelerator pedal. Do not
leave the vehicle when it is being held by
Hill Start Assist.
Start-off assist
▌Function of the start-off assist
The start-off assist enables optimal vehicle accel-
eration from a standstill. For this, a suitably high-
grip road surface is required and the tires and
vehicle must also be in good condition.
Do not activate the start-off assist on public
roads.
Be sure to observe the safety notes and informa-
tion on ESP ® ( page 179).
/
Driving and parking 183
▌Activating the start-off assist
& WARNING Risk of skidding and having an
accident from wheels spinning
When you use start-off assist, individual
wheels could spin and you could lose control
of the vehicle.
®
If ESP is deactivated, there is a risk of skid-
ding and accident!
Make sure that no persons or obstacles
#
are in the close vicinity of your vehicle.
®
Deactivating ESP ( page 181).
# /
Move the steering wheel to the straight-ahead
#
position.
Depress the brake pedal firmly with your left
#
foot and keep it depressed.
Engage the h drive position (
/
#
Select the sportiest available drive program
#
B or C( page 160).
/
Rapidly depress the accelerator pedal fully.
#
page 164).