key battery MERCEDES-BENZ CL-CLASS 2007 Owner's Manual

659 Practical hints
Batteries
Starter battery
Connect the switched-off charging de-
vice to the terminals of the starter bat-
tery. Observe the operating
instructions in the manual for the
charging device while doing so.
Reinstalling starter battery
Install starter battery in engine com-
partment.
Swing retaining bar down.
Reconnecting starter battery
Make sure that the consumer battery in
the trunk is correctly installed and con-
nected.
Turn SmartKey in starter switch to po-
sition 0 and remove.
Connect the positive lead and fasten its
cover2 (
page 657).
Connect negative lead1
(
page 657).
Attach ventilation tube.
Switch on the ignition (page 336).
Start the engine (page 378).
Check vehicle functions.
!Only use charging devices with a maximum
charging voltage of 14.8 V.
Warning!G
During the charge procedure, there is a risk
of acid burns due to gases escaping from
the battery. Do not bend over the battery
during the charge procedure.
!The battery and the battery ventilation hose
must always be securely installed when the vehi-
cle is in operation.
!Always connect the starter battery in the or-
der described below. Otherwise, the vehicle’s
electronics could be damaged.
Warning!G
Do not drive without a properly installed and
connected consumer battery.
Have any work on the consumer battery car-
ried out by an authorized Mercedes-Benz
Center.
!Never invert the terminal connections.
!Make sure that the battery has a plug where
the ventilation tube is attached to it.
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661 Practical hints
Jump starting
Jump starting should only be performed on
the starter battery. The starter battery is
located in the engine compartment on the
passenger side (
page 657).
Make sure the two vehicles do not
touch.
Secure vehicle in place with electronic
parking brake (
page 384).
Shift the automatic transmission toP
(
page 389).
Turn off all electrical consumers, ex-
cept hazard warning flashers or work
lights.
Open the hood (page 512).
Start the engine of the vehicle with the
charged battery and run at idle speed.1Negative clamp
2Negative terminal of charged battery
3Positive terminal of charged battery
4Positive terminal of discharged battery
Warning!G
Keep flames or sparks away from battery.
Do not smoke.
Observe all safety instructions and precau-
tions when handling automotive batteries
(
page 655).
iVehicles with KEYLESS-GO: remove the
KEYLESS-GO button (
page 337) and use the
SmartKey with KEYLESS-GO like a normal
SmartKey.

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662 Practical hints
Jump starting
Remove red cover from positive
terminal4.
Connect positive terminal3 of the
charged battery with positive
terminal4 of the discharged battery
with the jumper cable. Clamp cable to
charged battery3 first.
Connect negative terminal2 of
charged battery to jumper cables and
attach other end of the jumper cable
with the negative clamp1 to a suit-
able ground point on the vehicle.
Get into vehicle and start engine within
30 seconds.
If the starting attempt does not suc-
ceed:
Turn the SmartKey in starter switch
to position 0.
Take out the SmartKey.
Turn off engine of donor vehicle, re-
start it and let it run at idle speed
for several minutes.
Disconnect the jumper cable during
this time.
Reconnect jumper cable as de-
scribed before.
Restart engine.
While the engine is running, switch off
several electrical consumers such as
the blower.
Disconnect jumper cables first nega-
tive clamp1 from ground point and
negative terminal2, then from posi-
tive terminals4 and3.
Have the battery checked at the near-
est authorized Mercedes-Benz Center.!Never invert the terminal connections.

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664 Practical hints
Towing the vehicle
Warning!G
With the engine not running, there is no
power assistance for the brake and steering
systems. In this case, it is important to keep
in mind that a considerably higher degree of
effort is necessary to brake and steer the
vehicle. Adapt your driving accordingly.
!When towing the vehicle with all wheels on
the ground or with the front axle raised, the start-
er battery must be connected and charged. Oth-
erwise:

you will not be able to switch on the ignition

you will not be able to engage the automatic
transmission in positionN (
page 394)

you cannot release the electronic parking
brake
For information on charging the starter battery
see “Batteries” (
page 655) or see “Jump start-
ing” (
page 660).
!Make sure that the electronic parking brake
is released. If the electronic parking brake is
malfunctioning, release it mechanically
(
page 637).
!If the vehicle is towed with the front axle
raised, the automatic transmission must be in
positionN and the engine must be shut off
(SmartKey or SmartKey with KEYLESS-GO* in
starter switch position0 or1). Active braking
action through the ESP
® may otherwise
seriously damage the brake system.
!When towing the vehicle with all wheels on
the ground, the automatic transmission must be
shifted to positionN and the SmartKey or
SmartKey with KEYLESS-GO* must be in starter
switch position2.
When towing the vehicle with all wheels on the
ground or the front axle raised, the vehicle may
be towed only for distances up to 30 miles
(50 km) and at a speed not to exceed 30 mph
(50 km/h).
!If the vehicle is towed with all wheels on the
ground or with the front axle raised, the trans-
mission must be in positionN.
If you turn off the engine using

the SmartKey and

remove the SmartKey from the starter
switch
or

open a door

the KEYLESS-GO* start/stop button and
open a door
the transmission will shift to park position P
automatically.
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695 Index
B
Backup lamps
Replacing bulbs 642
Bar 545
BAS 66
Batteries, SmartKey
Checking battery condition 332
Replacing 639
Batteries, SmartKey with KEYLESS-GO*
Checking battery condition 332
Replacing 639
Batteries, vehicle 655
Charging 658
Discharged, Jump starting 660
Disconnecting 657
For electrical consumers 655
For starter 655
Message in display 608
Reconnecting 659
Removing 658
Bead 545
Beverage holder see Cup holder
Bluetooth
®
Settings (COMAND) 232
Brake assist system (BAS Plus) 67
Brake assist system (BAS) 66Brake fluid 511, 685, 687
Brake lamp bulbs 642
Brake lamp, high mounted 642
Brake pads
Message in display 598
Brake warning lamp 31
Brakes 500
Warning lamp 31, 567
Break-in period 498
Bulbs, replacing 641
Additional turn signals 642
Brake lamps 642
Fog lamps 642
Front lamps 642
High beam 642
High mounted brake lamp 642
License plate lamps 642
Low beam 642
Parking and standing lamps 642
Rear fog lamp 642
Turn signal lamps 642C
California retail buyers and lessees,
important notice for 15
Can holder see Cup holder
Capacities and
recommended fuel/lubricants 684
Carpets, Cleaning and care of 564
Catalytic converter 507
CD
Ejecting (COMAND) 113
Loading (COMAND) 111
Menu overview (COMAND) 114
Playback options (COMAND) 119
Selecting a medium (COMAND) 117
Selecting a track (COMAND) 117
CD (COMAND) 107
Central locking
Automatic 334
Locking/unlocking from inside 335
Central locking/unlocking switches 335
Certification label 674
Change of address or ownership 16
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703 Index
I
Identification labels 674
Identification Number, Vehicle (VIN) 675
Ignition 336, 338
Switching on 336
Switching on, KEYLESS-GO* 338
Immobilizer 77
Indicator lamps see
Lamps, indicator and warning
Individualization
Voice Control 320
Infant and child restraint systems
see Children in the vehicle
Infrared reflecting windshield 496
Inside door handle 333
Instrument cluster 30, 402
Coolant temperature gauge 31, 403
Fuel gauge 31
Illumination 402, 448
Lamps 566
Multifunction display 256
Outside temperature indicator 404
Selecting the language
(COMAND) 231Interior lighting 369
Activating automatic control 370
Ambient lighting (COMAND) 240
Deactivating automatic control 370
Delayed switch-off (COMAND) 241
Reading lamps in the front 370
Interior rear view mirror
Adjusting 353
Auto-dimming 355
Interior storage spaces see
Storage compartments
J
Jack 633, 650
Jacking up the vehicle 650
Jump starting 660K
Key, Mechanical 635
Loss of 332
Key, SmartKey 322
Battery check lamp 322, 325
Factory setting 324
Global locking and unlocking 324
Lock button 322
Locking and unlocking 322
Loss of 332
Messages in display 615
Opening button for trunk 322
Panic button 63
Remote control 322
Restoring to factory setting 325
Selective setting 325
Starting the engine 379
Switching on ignition with 336
Turning off engine 387
Unlock button 322
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704 Index
Key, SmartKey with KEYLESS-GO* 326
Battery check lamp 326, 330
Factory setting 329
Global locking and unlocking 330
Important notes
on using KEYLESS-GO* 328
Lock button 326
Locking and unlocking 326
Locking using the lock button
on door or on trunk lid 331
Loss of 332
Messages in display 614
Opening button for trunk 326
Panic button 63
Remote control 326
Restoring to factory setting 331
Selective setting 330
Starting the engine 379
Switching on ignition with 338
Turning off engine 388
Unlock button 326
Kickdown 396
Kilopascal 545
Knee bag 46L
Labels 674
Certification 674
Emission control information 675
Tire and Loading Information 524
Vacuum line routing diagram 675
Lamp bulbs, exterior 641
Lamps, exterior
Front 642
Light sensor 617
Rear 642
Lamps, indicator and warning
ABS 31, 64, 566
Air bag Off 46
Battery check lamp (SmartKey
with KEYLESS-GO*) 330
Battery check lamp (SmartKey) 325
Brake warning lamp 31
Brakes 567
Combination low tire pressure*
malfunction telltale 31, 576
Distance warning lamp* 31, 572
DISTRONIC Plus* 31, 414, 572
Electronic parking brake 31, 568
Engine diagnostics 31, 570
Engine malfunction 31, 570ESP®31, 567, 572
Front passenger front
air bag off 50, 578
Fuel reserve 573
High beam headlamp 31
Maintenance service indicator 551
Park Assist* 31
Parktronic* 31
Seat belt telltale 31, 573
SRS 31, 575
TPMS* malfunction telltale 31, 576
Turn signals 31
Language (COMAND) 231
LATCH-type child seat anchors
see Children in the vehicle
Lever
For automatic transmission
(gear selector lever) 389
For cruise control 406
For DISTRONIC Plus* 417
License plate lamps
Messages in display 619
Replacing bulbs 642
Light alloy wheels, Cleaning 563
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