2003 MERCEDES-BENZ C CLASS COUPE lock

268 Practical hintsWhat to do if …Display
Possible cause
Suggested solution
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FRT. PASSENGER SEAT
LOOK!
The display reminds you and your passen-
ger to fasten the seat belt.

Fasten the seat belts.
DRIVER’S SEAT BELT
FASTEN SEAT BELT!
The display reminds you to fasten the seat
belt.

Fasten the seat belts.
_
STEERING WHEEL ADJUST
LOCK!
The steering column is not properly locked.

Lock the steering column properly
(page 38).
POWER STEERING FLUID
VISIT WORKSHOP!
The power steering gear oil level is too low.
There is a danger of steering gear damage.

Have the system checked by an au-
thorized Mercedes-Benz Center.
Warning!
G
If the level of steering gear oil in reservoir is
too low, the steering power assistance could
fail. Much greater effort will then be needed
to turn the steering wheel.
Do not add steering oil without checking the
steering system.
Do not drive the vehicle. Have the system
checked at your authorized Mercedes-Benz
Center as soon as possible.

271
Practical hints
Where will I find ...?
Where will I find ...?
First aid kit
The first aid kit is stored in the trunk be-
hind the left trim panel.
Turn handles 2.

Remove the trim panel 1.

Loosen the securing strap 2.

Remove first aid kit 1.
Spare wheel
The spare wheel is located under the trunk
floor.
Lift trunk floor and engage handle in
the upper edge of the trunk.
1 Spare wheel
2 Storage tray with vehicle tool kit.
3 Mounting screw for spare wheel/cover
for vehicle tools
Removing the spare wheel

Turn the mounting screw 3 counter-
clockwise.

Remove the spare wheel 1.
iCheck expiration dates and contents
for completeness at least once a year
and replace missing/expired items.

272 Practical hintsWhere will I find ...?Storing the spare wheel
Place spare wheel1 in wheel well.

Turn mounting screw 3 clockwise to its
stop to secure the spare wheel.

Lower the trunk floor before closing the
trunk lid.
Vehicle tool kit
The vehicle tool kit and air pump are stored
in the wheel well below the trunk floor.
1 Vehicle jack
2 Air pump
3 Alignment bolt
4 Wheel wrench 5
Towing eye bolt
6 Spare wheel bolts
Vehicle jack

Remove the vehicle jack from the spare
wheel well under the trunk floor.

Push the crank handle up.

Turn the crank handle clockwise until it
engages (operational position).
Before storing the vehicle jack in its com-
partment:


It should be fully collapsed.


The handle must be folded in (storage
position).

273
Practical hints
Where will I find ...?
Spare wheel bolts
1 Wheel bolt for light alloy rims
2 Wheel bolt for light alloy spare wheel
rim size 4
1/2B x15 H2 Refer to “Technical data” section
(
page 313) for model and spare wheel
rim size information.
Warning!
G
The jack is designed exclusively for jacking
up the vehicle at the jack take-up brackets
built into both sides of the vehicle. To help
avoid personal injury, use the jack only to lift
the vehicle during a wheel change. Never
get beneath the vehicle while it is supported
by the jack. Keep hands and feet away from
the area under the lifted vehicle. Always
firmly set parking brake and block wheels
before raising vehicle with jack.
Do not disengage parking brake while the
vehicle is raised. Be certain that the jack is
always vertical (plumb line) when in use, es-
pecially on hills. Always try to use the jack
on level surface. Make sure that the jack
arm is fully seated in the jack take-up brack-
et. Always lower the vehicle onto sufficient
capacity jack stands before working under
the vehicle.
!Wheel bolts 2 must be used when
mounting spare wheel rim
size 4
1/2Bx15 H2 (
page 313).
The use of any wheel bolts other than
wheel bolts 2 for spare wheel rim
size 4
1/2B x15 H2 can cause physical
damage to the vehicle.
Warning!
G
Be sure to use the original length wheel
bolts when remounting the original wheel af-
ter it has been repaired.

274 Practical hintsUnlocking/locking in an emergency
Unlocking/locking in an emergencyUnlocking the vehicle
Unlocking the driver’s door
If you are unable to unlock the driver’s
door using the SmartKey, open the door
using the mechanical key. 1 Mechanical key locking tab
2 Mechanical key
Move locking tab 1 in direction of ar-
row and slide the mechanical key out of
the housing. 3
Unlocking
4 Locking

Unlock the door with the mechanical
key. To do so, push the mechanical key
in the lock until it stops and turn it to
the left.
iUnlocking your vehicle with the me-
chanical key will trigger the anti-theft
alarm system. To cancel the alarm, do
one of the following:

Press button
Œ
or
‹
on the
SmartKey.


Insert the key in the starter switch.

275
Practical hints
Unlocking/locking in an emergency
Unlocking the trunk lid
If you are unable to unlock the trunk lid
with the SmartKey, you can use the emer-
gency release on the inside of the trunk lid
to unlock it.
1 Cover
2 Release lever
3 Rear bench seat backrest

Fold backrest 3 forward.

Remove cover 1 from the trim on the
trunk lid.

Push release lever 2 all the way to the
right.

Open the trunk lid.
Locking the vehicle
If you are unable to lock the vehicle with
the SmartKey, lock it with the mechanical
key as follows:
Close the passenger door and the trunk
lid.

Press the central locking switch in the
cockpit (
page 87).

Check to see whether the locking knob
on the passenger door is still visible. If
necessary push it down manually.

Lock the driver’s door with the me-
chanical key.
iThe trunk lid swings open upwards. Al-
ways make sure that there is sufficient
overhead clearance.

276 Practical hintsUnlocking/locking in an emergencyChanging batteries
If the batteries in the SmartKey card are
discharged, the vehicle can no longer be
locked or unlocked. It is recommended to
have the batteries replaced at an autho-
rized Mercedes-Benz Center.
Batteries contain materials that can harm
the environment if disposed of improperly.
Recycling of batteries is the preferred
method of disposal. Many states require
sellers of batteries to accept old batteries
for recycling.SmartKey
1 Mechanical key
2 Battery compartment
Replacement batteries: Lithium, type
CR 2025 or equivalent.

Remove mechanical key (
page 274).

Insert the mechanical key in side open-
ing and push gray slide.
The battery compartment is unlatched.

Pull the battery compartment out of the
key housing in direction of arrow.
3 Battery
4 Contact spring

Remove the batteries.

Using a lint-free cloth, insert new bat-
teries under the contact spring with the
plus (+) side facing up.

Return battery compartment into hous-
ing until it locks in place.
Warning!
G
Keep the batteries out of reach of children.
If a battery is swallowed, seek medical help
immediately.
iWhen changing batteries, always re-
place both batteries.
The required replacement batteries are
available at any Mercedes-Benz
Center.

277
Practical hints
Unlocking/locking in an emergency
Fuel filler flap
Open the trunk lid.

Fold right-side tail lamp trim aside

Reach inside through opening.

Turn release knob
1 clockwise (arrow).
The fuel filler flap can now be opened. Manually unlocking the transmission
selector lever
In the case of power failure the transmis-
sion selector lever can be manually un-
locked, e.g. to tow the vehicle.
Open the storage compartment in front
of the center armrest.

Release coin holder
1 (e.g. using a
small coin).

Swing coin holder 1 aside.

Insert a tool 2 (e.g. screwdriver) into
the opening.

Perform the following two steps simul-
taneously:
Push the tool down.

Move selector lever from
position P.

Reinstall the coin holder after removing
the tool from the opening.iThe selector lever is locked again when
moving it to position P.