Page 308 of 430
305 Malfunction and warning messages
Te ch n i c a l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hints Car care Index BATTERY /ALTERNATOR
* C = Category, see page 303
This message indicates a malfunction which must be
repaired immediately.
It may indicate that the poly-V-belt has broken. Should
this condition occur, the poly-V-belt must be replaced
before continuing to operate the vehicle. Otherwise, the
engine will overheat due to an inoperative water pump
which may result in damage to the engine.
Do not continue to drive the vehicle with this message
displayed.
Doing so could result in serious engine damage that is
not covered by the Mercedes-Benz Limited Warranty.
Line 1 Line 2 C*
BATTERY/ALTERNATOR VISIT WORKSHOP! 2
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Page 312 of 430
309 Malfunction and warning messages
Te ch n i c a l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hints Car care Index ELEC. STABIL. PROG.
(Electronic stability program)
* C = Category, see page 3031 The display or the system is malfunctioning.
2 A ma lfun ction has been detected in the s ystem. On ly partial engine
output will be available.
3 The enhanced vehicle stability offered by ESP and the torque
reduction feature are unavailable.
4 This message may be displayed if the power supply was
interrupted (battery disconnected or empty). Synchronize ESP, see
page 279.
Line 1 Line 2 C*
DISPLAY DEFECTIVE VISIT WORKSHOP!
1
2
ESP VISIT WORKSHOP!
2, 3, 4
2
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Page 327 of 430

324 Malfunction and warning messages
Te ch n i c a l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hints Car care Index
CHIP-CARD (KEYLESS-GO)
* C = Category, see page 303.1 Check battery of KEYLESS-GO-card, see page 372.
2 The KEYLESS-GO-card cannot be recognized by the running
engine (e.g. strong radio-frequency interference) or the card is not
in the vehicle.
Stop immediately and search for the KEYLESS-GO-card or continue
to operate the vehicle with the electron ic key, ot her wis e the vehic le
cannot be centrally locked or the engine started again after the
engine stops automatically. See page 37.
3 The KEYLESS-GO-card was momentarily not recognized. If
message repeats, place card in a different position or continue to
operate the vehicle with the electronic key, see page 37.
4 A KEYLESS-GO-card left inside the vehicle has been recognized
while locking the vehicle from the outside, see page 37.
5 The message appears for a maximum 60 seconds each time the
driver’s door is opened, as long as no electronic key is in the
starter switch. The message appears regardless of the past
operation method (electronic key or KEYLESS-GO-card), see
page 37. Line 1 Line 2 C*
CHIP CARD CHECK BATTERY!
1
2
CHIP CARD NOT RECOGNIZED!
2
1
CHIP CARD NOT RECOGNIZED!
3
2
CHIP CARD STILL IN VEHICLE!
4
1
CHIP CARD DO NOT FORGET!
5
1
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Page 332 of 430

329 Contents - Practical hints
Te ch n i c a l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hintsCar care Index
Practical hintsFirst aid kit .....................................330
Fuses ................................................ 331
Shelf below rear window ..............333
Hood .................................................334
Checking engine oil level .............337
Automatic transmission
fluid level ...................................338
Active body control
(ABC) fluid level ........................338
Coolant level ...................................339
Adding coolant ...........................339
Windshield and headlamp
washer system ...........................340
Windshield and headlamp
washer fluid mixing ratio .........340Spare wheel, vehicle tools, storage
compartment ............................. 341
Jack .................................................. 342
Wheels ............................................ 343
Tire Replacement ....................... 343
Rotating wheels ......................... 344
Spare wheel .................................... 344
Changing wheels ........................... 346
Tire inflation pressure ................. 351
Battery ............................................. 352
Jump starting ................................. 355
Towing the vehicle ........................ 357
Exterior lamps ............................... 360
Headlamp assembly .................. 361
Taillamp assemblies .................. 364
Standby bulb function .................. 367Changing batteries
in the electronic key .................369
Synchronizing
remote control ............................ 371
Changing batteries in
the KEYLESS-GO-card ..............372
Emergency engine shut-down ..... 374
Fuel filler flap,
manual release .......................... 374
Emergency operation of
sliding/pop-up roof ...................375
Replacing wiper blades ................. 376
Roof rack .........................................378
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Page 355 of 430

352 Tires, Wheels
Te ch n i c a l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hintsCar care Index
The spare tire should be checked periodically for
condition and inflation. Spare tire will age and become
worn over time even if never used, and thus should be
inspected and replaced when necessary.Battery
Wa r n i n g !
Do not overinflate tires. Overinflating tires can
result in sudden deflation (blowout) because they
are more likely to become punctured or damaged
by road debris, potholes etc.. Follow recommended
inflation pressures.Do not overload the tires by exceeding the specified
vehicle capacity weight (as indicated by the label
on the driver’s door latch post). Overloading the
tires can overheat them, possibly causing a
blowout.
Wa r n i n g !
Failure to follow these instructions can result in
severe injury or death.Never lean over batteries while connecting, you
might get injured.Battery fluid contains sulfuric acid. Do not allow
this fluid to come in contact with eyes, skin or
clot hin g. In cas e i t d oes , i mm ed ia tely f lus h a f fected
area with water and seek medical help if necessary.A battery will also produce hydrogen gas, which is
flammable and explosive. Keep flames or sparks
away from battery, avoid improper connection of
jumper cables, smoking etc..
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Page 356 of 430

353 Battery
Te ch n i c a l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hintsCar care Index The maintenance-free battery is located in the trunk
under the right-hand wheel well cover panel.
For battery removal or installation, or jump starting the
vehicle, first lift the trunk floor, then turn lock (1)
counterclockwise and remove cover.Important!
Battery replacement information:
The service life of the battery is dependent on its
condition of charge. The battery should always be kept
sufficiently charged, in order to last an optimum length
of time.
Therefore, we strongly recommend that you have the
battery charge checked frequently, and corrected if
necessary, especially if you use the vehicle less than
approximately 200 miles (300 km) per month,
mostly for short distance trips, or if it is not used for
long periods of time.
Only charge a battery with a battery charger after the
battery has been disconnected from the vehicle’s
electrical circuit.
Always disconnect the battery negative lead first and
connect last.
When removing and connecting the battery, always
make sure that all electrical consumers are off and the
electronic key is in starter switch position 0. The
battery, its filler caps, the vent tube and the opposite
plug must always be securely installed when the vehicle
is in operation.
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Page 357 of 430

354 Battery
Te ch n i c a l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hintsCar care Index
While the engine is running the battery terminal clamps
must not be loosened or detached, otherwise the
generator and other electronic components would be
damaged.
Note:
The selector lever will remain locked in position “P” and
the electronic key cannot be turned in the starter
switch, if the vehicle battery is disconnected or
discharged.
After reconnecting the battery also set the clock (see
COMAND operator’s manual) resynchronize the express
feature of the power windows (see page 185), the
sliding /pop-up roof (see page 188), and the electronic
stability program (see page 279).Battery recycling
Batteries contain materials that can harm the
environment with improper disposal.
Large 12 Volt storage batteries contain lead.
Recycling of batteries is the preferred method of
disposal.
Many states require sellers of batteries to accept old
batteries for recycling.
J_OM_215.book Seite 354 Mittwoch, 30. Mai 2001 2:01 14
Page 358 of 430

355 Jump starting
Te ch n i c a l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hintsCar care Index Jump startingImportant!
A discharged battery can freeze at approx. +14
°F
(–10
°C). In that case, it must be thawed out before
jumper cables are used. Attempting to jump start a
frozen battery can result in it exploding, causing
personal injury.
Jumper cable specifications:
•Minimum cable cross-section of 25 mm
2 or
approx. 2 AWG
•Maximum length of 11.5 ft. (3.5 m).
If the battery is discharged, the engine should be started
with jumper cables and the (12 V) battery of another
vehicle.
Only use 12 V battery to jump start your vehicle. Jump
starting with more powerful battery could damage the
vehicle’s electrical systems, which will not be covered
by the Mercedes-Benz Limited Warranty.
The battery is located in the trunk under the right-hand
wheel well cover panel.
Wa r n i n g !
Failure to follow these directions will cause
damage to the electronic components, and can lead
to a battery explosion and severe injury or death.Never lean over batteries while connecting or jump
starting, you might get injured.Battery fluid contains sulfuric acid. Do not allow
this fluid to come in contact with eyes, skin or
clothing. In case it does, immediately flush affected
area with water, and seek medical help if
necessary.A battery will also produce hydrogen gas, which is
flammable and very explosive. Keep flames or
sparks away from battery, avoid improper
connection of jumper cables, smoking etc..Read all instructions before proceeding.
J_OM_215.book Seite 355 Mittwoch, 30. Mai 2001 2:01 14