sequence will continue upon subsequent
vehicle start-ups as long as the malfunction
exists. When the malfunction indicator is
illuminated, the system may not be able to
detect
or signal low tire pressure as intended.
TPMS malfunctions may occur for a variety of
reasons, including the installation of
incompatible replacement or alternate tires or wheels on the vehicle that prevent the
TPMS from functioning properly. Always
check the TPMS malfunction telltale after
replacing
one or more tires or wheels on your
vehicle to ensure that the replacement or
alternate tires and wheels allow the TPMS to
continue to function properly. Lamp in center console
Problem
Possible causes/consequences and
X SolutionsCanada only:
42
The front passenger
front air bag off
indicator lamp
illuminates and
remains illuminated
(Y page 47).
A BabySmart
TM
child seat is installed on the front passenger seat.
Therefore the front passenger front air bag is switched off. The system is malfunctioning when there is no BabySmart
TM
child
seat installed on the front passenger seat.
X Have the system checked as soon as possible at an authorized
Mercedes-Benz Center. Canada only:
42
The front passenger
front air bag off
indicator
lamp does not
illuminate or does not
remain illuminated with
a BabySmart TM
child
seat properly installed
on the passenger seat. The system is malfunctioning.
X
Make sure there is nothing between seat cushion and child seat.
X Check installation of the child seat ( Y page 57).
If the front passenger front air bag off indicator lamp remains out:
X Have the system checked as soon as possible at an authorized
Mercedes-Benz Center.
Do not use the BabySmart TM
restraint to transport children on the
front passenger seat until the system has been repaired. USA only:
42
The front passenger
front air bag off
indicator lamp
illuminates and
remains illuminated
with the weight of a
typical adult or
someone larger than a
small individual on the
front passenger seat. The system is malfunctioning.
X
Have the system checked as soon as possible at an authorized
Mercedes-Benz Center.
X Read and observe messages in the multifunction display and
follow corrective steps (Y page 274). What to do if …
307
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G
Warning!
If the 42 indicator lamp
illuminates and remains illuminated with the
weight of a typical adult or someone larger than a small individual on the front passenger
seat, do not have any passenger use the front
passenger seat until the system has been
repaired.
Problem
Possible causes/consequences and
X SolutionsUSA only:
42
The front passenger
front air bag off
indicator lamp does not
illuminate and/or does
not remain illuminated
with the weight of a
typical 12-month-old
child in a standard child
restraint or less on the
front passenger seat. The system is malfunctioning.
X
Make sure there is nothing between seat cushion and child seat
and check installation of the child seat.
X Make sure no objects applying supplemental weight onto the
seat are present.
X Make sure no objects which apply forces to the seat are present
(e.g. objects such as books, briefcases etc. lodged behind or
around the seat, head restraints pushing against roof etc.). The
system may recognize such forces as supplemental weight.
X If the front passenger front air bag off indicator lamp remains
out, have the system checked as soon as possible at an
authorized Mercedes-Benz Center. Do not transport a child on
the front passenger seat until the system has been repaired.
X Read and observe messages in the multifunction display and
follow corrective steps (Y page 274). G
Warning!
If the 42 indicator lamp does not
illuminate or remains out with the weight of a
typical 12-month-old child in a standard child
restraint or less on the front passenger seat,
do not transport a child on the front
passenger seat until the system has been
repaired. Unlocking/locking manually
Unlocking the vehicle
If you cannot unlock the vehicle with the
SmartKey or with KEYLESS-GO, unlock the
driver’s door using the mechanical key.
The anti-theft alarm system will trigger when
you
R unlocking the driver’s door with the
mechanical key and
R open the driver’s door
To cancel the alarm, insert the SmartKey into
the starter switch.
Removing the mechanical key SmartKey308
Unlocking/locking manuallyPractical hints
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