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Practical hints
Unlocking/locking in an emergency
Mechanically releasing the electronic
parking brake
Depending on vehicle production date your
vehicle may be equipped with a mechani-
cal release device for releasing the elec-
tronic parking brake. It is located behind
the fuel filler flap next to the fuel cap.
1 Protective cap
2 Release tool
3 Pulling
̈ Shift the automatic transmission to P
(
୴ page 399).
̈ Prevent the vehicle from rolling away
by blocking a rear wheel with the wheel
chock. A wheel chock is included with
the vehicle tool kit (
୴ page 668).
̈ Open fuel filler flap.
̈ Remove protective cap 1.
̈ Screw release tool 2 from vehicle tool
kit clockwise 2 to 3 rotations onto re-
lease cable.
̈ Pull release tool 2 in direction of
arrow 3.
The electronic parking brake is re-
leased. The red indicator lamp 0
(USA only) or ! (Canada only) flash-
es. The message “Parking brake See
Oper. Manual” appears on the multi-
function display.
̈ Unscrew release tool 2 from release
cable.
̈ Reattach protective cap 1.
̈ Store release tool 2 in vehicle tool kit.
After it has been unlocked, you can engage
the electronic parking brake again from
the driver’s seat.
̈ Press the electronic parking brake han-
dle (
୴ page 395).
i
If your vehicle is not equipped a mechanical
release device for releasing the electronic park-
ing brake contact Roadside Assistance or an au-
thorized Mercedes-Benz Center.
Warning! G
If you mechanically release the electronic
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. Before releasing the electronic parking
brake, shift the automatic transmission to P
(
୴ page 399) and secure your vehicle in
place using the chock from the vehicle tool
kit.
i
If the electronic parking brake is not re-
leased, pull the release tool again with more
force.