fuel cap release MERCEDES-BENZ S550 2007 W221 Owner's Manual

489 Operation
At the gas station
At the gas station
RefuelingThe fuel filler flap is located on the
right-hand side of the vehicle towards the
rear. Locking and unlocking the vehicle au-
tomatically locks and unlocks the fuel filler
flap.
1To open fuel filler flap
2To insert fuel filler cap
3Supplemental tire inflation pressure
information (
page 510)
4To insert fuel filler cap

Turn off the engine (
page 366).

Shift the automatic transmission to P
(page 367).

Remove the SmartKey from the starter
switch.
Vehicles with SmartKey with
KEYLESS-GO*:
Turn off the engine by pressing the
KEYLESS-GO* button once
(page 366).

Open the driver’s door (this puts
the starter switch in position0,
same as with the SmartKey re-
moved from the starter switch). The
driver’s door then can be closed
again.

Open the fuel filler flap by pushing at
the point indicated by the arrow 1.
The fuel filler flap springs open.

Turn the fuel cap counterclockwise and
hold on to it until possible pressure is
released.
Warning!
G
Gasoline is highly flammable and poisonous.
It burns violently and can cause serious
injury. Never allow sparks, flame or smoking
materials near gasoline!
Do not allow fuel to come into contact with
skin or clothing. Direct skin contact with fu-
els and the inhalation of fuel vapors are
damaging to your health.
Switch off the engine before refueling.


616 Practical hintsUnlocking/locking in an emergencyMechanically releasing the electric parking brake
The mechanical release device for the
electric parking brake is underneath the
fuel filler flap next to the fuel cap.
1Fuel filler flap
2Release tool
3Protective cap

Shift the automatic transmission to P
(page 367).

Place chock from vehicle tool kit
(page 611) under a rear wheel.

Open fuel filler flap1.

Remove protective cap3.

Screw release tool2 from vehicle tool
kit clockwise 2 to 3 rotations onto re-
lease lever.

Pull release tool2 in direction of ar-
row.
The electric parking brake is released.
The red indicator lamp 0 (USA only)
or ! (Canada only) in the instru-
ment cluster for the electric parking
brake flashes. The message “Parking
brake See Oper. Manual” appears on
the driver’s display.
After it has been unlocked, you can engage
the electric parking brake again from the
driver’s seat.

Press the electric parking brake handle
(page 364).
Warning!
G
If you mechanically release the electric
parking brake, the vehicle may start to move
on its own. Make sure that no one is in front
of or behind the vehicle. Otherwise, an acci-
dent could occur resulting in injury or fatali-
ty. Shift the automatic transmission to P and
secure your vehicle in place using the chock
from the vehicle tool kit.
i
You must pull the release tool with more
force if the electric parking brake cannot be re-
leased.
!
Reattach protective cap
3
after you have
mechanically released the electric parking
brake.