Resetting Activated Neck-Pro Active Front Head Restraints; Replacing Smartkey Batteries - Mercedes-Benz 2010 R-Class Operator's Manual

251_AKB; 4; 52, en-US
d2ureepe,

Replacing SmartKey batteries

310
In case the central locking system does not
release the fuel filler flap, you can open it
manually.
The fuel filler flap release is located on the
passenger side in the cargo compartment
behind the cover.
X
Open the tailgate (
X
Open the cover on the passenger-side trim
Y
panel ( page 317).
X
Pull red fuel filler flap release : in
direction of arrow.
The fuel filler flap is unlocked.
X
Open the fuel filler flap (
X
Close the cover.
X
Close the tailgate.
Resetting activated NECK-PRO active
front head restraints
If the NECK-PRO active front head restraints
have been triggered in a rear-end collision,
they must be reset.
You can tell that the NECK-PRO active front
head restraints have been triggered when
they have been moved forward and cannot be
adjusted.
G
Warning!
For safety reasons, have the NECK-PRO active
front head restraints checked at an
authorized Mercedes-Benz Center after a
rear-end collision.
Y page 75).
Y page 220).
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Version: 2.11.8.1
G
Warning!
When pushing back the head restraint
cushion, make sure your fingers do not
become caught between the head restraint
cushion and the cover. Failing to do so may
lead to injury.
i Pressing the head restraint cushion back
requires high force. If you encounter
difficulties when pushing the head restraint
back, please have the procedure
performed at an authorized Mercedes-Benz
Center.
X
Pull the top of the head restraint cushion in
direction of arrow : as far as it will go.
X
Adjust the head restraint cushion
downward in direction of arrow ; as far as
it will go.
X
Firmly press the top of the head restraint
cushion towards the head restraint cover in
direction of arrow = until it engages.
X
Repeat this procedure on the NECK-PRO
active front head restraint for the second
front seat.
For information on NECK-PRO active front
head restraints, see "NECK-PRO active front
head restraints" ( Y page 53).
Replacing SmartKey batteries
If the batteries in the SmartKey are
discharged, the vehicle can no longer be
locked or unlocked. It is recommended to