Use coasting conditions
When approaching a red light, take your foot off the accelerator and let the vehicle coast to a halt.
On a downhill gradient, take your foot off the accelerator and let the vehicle roll.
The flow of fuel is interrupted while coasting.
See also:
Look well ahead when driving
Avoid unnecessary acceleration and braking.
By maintaining a suitable distance to the vehicle
driving ahead of you.
Driving smoothly and looking ahead reduces
fuel consumption. ...
Visual warning
The approach of the vehicle to an object can be
shown on the Control Display.
When the distance to an object is small, a red bar
is shown in front of the vehicle, as it is in the PDC
display.
...
Avoid high engine speeds
Driving at a low engine speed reduces fuel consumption
and minimizes wear. ...