2008 MERCEDES-BENZ S-Class ventilation

732 Practical hintsBatteriesSwitching off vehicle’s internal
electrical functions
Turn off all electrical consumers.

Turn SmartKey in starter switch to po-
sition 0.

Turn SmartKey in starter switch to po-
sition 1.

Wait for 30 seconds.
The vehicle’s internal electrical func-
tions are switched off.

Turn SmartKey in starter switch to po-
sition 0.Disconnecting starter battery

Open the hood (
page 573).

Use a 10-mm open-end wrench to dis-
connect the battery negative lead.

Remove cover2 (
page 731) from
the positive terminal.

Disconnect the battery positive lead.
Removing starter battery
Pull out the battery ventilation hose
from the battery (depending on battery
arrangement in your vehicle model, the
ventilation hose is located either on the
left or right side of the battery).

Fold bar on starter battery up.

Take out the starter battery.
Charging battery
i
Vehicles with KEYLESS-GO: remove the
KEYLESS-GO button (
page 371) and use the
SmartKey with KEYLESS-GO like a normal
SmartKey.
!
Do not remove the SmartKey!
i
For your convenience, have the starter bat-
tery removed by a Mercedes-Benz Center.
Warning!
G
Never charge a battery while still installed in
the vehicle unless the accessory battery
charge unit approved by Mercedes-Benz is
being used. Gases may escape during charg-
ing and cause explosions that may result in
paint damage, corrosion or personal injury.
An accessory battery charge unit specially
adapted for Mercedes-Benz vehicles and
tested and approved by Mercedes-Benz is
available, permitting the charging of the bat-
tery in its installed position. Contact an au-
thorized Mercedes-Benz Center for
information and availability. Charge battery
in accordance with the separate instruc-
tions for the accessory battery charger.i
Have the batteries charged by a
Mercedes-Benz Center. If you charge the batter-
ies yourself, follow the operating instructions for
your charging device.

733 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 731).

Connect negative lead1
(page 731).

Attach ventilation tube.

Switch on the ignition (
page 370).

Start the engine (
page 416).

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.

781 Index
Setting the audio format
(COMAND) 128
Video (COMAND) 132
E
Easy-entry/exit feature 384
COMAND menu 268
EBP 72
Electrical fuses see Fuses
Electrical outlet see Power outlet
Electrical system, Technical Data 760
Electronic Brake Proportioning see EBP
Electronic parking brake 422
Indicator lamp 29, 630
Messages in display 667
Warning lamp 29, 630
Electronic Stability Program see ESP
®
Electronic traction system 73
Emergency call system 542
Emergency calls, Tele Aid 544
Emergency engine shut-down 744
Emergency operation
(Limp-Home Mode) 443
Emergency operations
Locking the vehicle 708
Releasing from inside 516
Remote door lock 550Remote door unlock 549
Unlocking the trunk 709
Unlocking the vehicle 708
Emergency tensioning device see ETD
Emergency, In case of
Battery, Jump starting 734
First aid kit 705
Flat tire 723
Fuses 741
Roadside Assistance 15
Roadside Assistance (Tele Aid) 546
Towing the vehicle 737
Emission control 568
Emission control information label 749
Emission control system warranties 14
Engine
Belt layout 750
Cleaning 617
Compartment 573
Coolant 579, 767, 771
Malfunction indicator lamp 29, 632
Number 748, 749
Oil 578, 765, 769
Oils 575
Residual heat and ventilation 509
Starting 416Technical data 751
Turning off 424
Engine coolant see Coolant
Engine oil 575
Adding 578
Additives 769
Checking level 575
Checking level (Dipstick) 577
Checking level (Instrument cluster
control system) 575
Consumption 575
Dipstick 577
Filler neck 577, 578
Messages in display 576, 694
Recommended engine oils and
oil filters 765
ESP
®Four wheel electronic traction system
with ESP
®
76
ESP
®
72
Messages in display 662, 673
Warning lamp 29, 629, 634
ETD 55
Safety guidelines 44

790 IndexPower closing assist for doors and
trunk lid 368
Power folding exterior rear view
mirrors 389
Power outlet 538
Power tilt/sliding sunroof 518
Opening/closing 518
Synchronizing 520
Power washer 616
Power windows 410
Blocking of rear window operation 64
Cleaning 622
Opening/closing 410
Practical hints 642, 705
Premium unleaded gasoline 571, 767,
770
PRE-SAFE
®
57
Message in display 656
Messages in display 663
PRE-SAFE
® Brake*
Intermittent signal tone 80
Preventive occupant safety see PRE-SAFE
®
Problems
While driving 420
With vehicle 20
Product information 13Production options weight 607
Program mode see Automatic
transmission, Automatic shift program
Program mode selector switch
Automatic shift program 436
Proper use of the vehicle 19
PSI 608
Push-start see Tow-start
R
RACETIMER see Control system
instrument cluster menus, AMG
Radio
FM/AM operation (COMAND) 102
Saving stations, FM/AM
(COMAND) 106
Selecting satellite radio channel
(Instrument cluster control
system) 295
Selecting stations 294
Submenu overview, FM/AM
(COMAND) 102
Switching wavebands, FM/AM
(COMAND) 103
Tuning in stations/channels 103
Voice Control 334Radio transmitters, control and
operation 567
Range (distance to empty) 292
Reading lamps in the front 407
Reading lamps in the rear 407
Real-time traffic (COMAND) 248
Rear door window
Blocking operation 64
Rear fog lamp
Replacing bulbs 715
Rear lamps see Tail lamps
Rear seats
Adjustment 373
Folding back and placing upright
rear head restraints 380
Head restraints 379
Heating* 377
Multicontour* 383
Setting front passenger seat position
from rear 377
Ventilation* 378
Rear View Camera* 487
Camera lens 487
Cleaning camera lens 621
Switching on 489
View through the camera 488

791 Index
Rear view mirrors see Mirrors
Rear window defroster 506
Activating 506
Deactivating 506
Recommended inflation pressure 608
Recovery services, Stolen vehicle
(Tele Aid) 550
Refrigerant, Air conditioning 768, 769
Refueling 570
Regular checks 572
Remote
Door lock with Tele Aid 550
Door unlock with Tele Aid 549
Trunk opening/closing* switch 511
Remote control, SmartKey 358
Remote control, SmartKey with
KEYLESS-GO* 361
Replacing
Bulbs 714
Front lamp bulbs 717
Rear lamp bulbs 715
Reporting safety defects 21
Reset (COMAND) 263
Residual engine heat and ventilation 509
Rest tool
Depository 710, 711Restraint systems
Messages in display 697
See Children in the vehicle
See SRS
Reverse gear position,
Automatic transmission 426, 430
Rims 608
And Tires 754
Tires and wheels 582
Roadside Assistance 15
Tele Aid 546
RON 571, 767
Roof rack* 525
Route guidance (COMAND) 237
Route guidance (Instrument cluster control
system) 292
Rubber parts, cleaning 624S
S63AMG
Manual shift program mode 440
S65AMG
Manual shift program mode 440
Safety
Driving safety systems 67
Occupant 40
Reporting defects 21
Safety belts see Seat belts
Satellite radio
Calling SIRIUS Service Center
(COMAND) 115
Channel update (COMAND) 115
Operation (COMAND) 108
Selecting channel (Instrument cluster
control system) 295
Selecting program category
(COMAND) 111
Showing program info
(COMAND) 115
Submenu overview (COMAND) 108
Tuning in channels (COMAND) 112,
114
Voice Control 335

792 IndexSeat belts 52
Children in the vehicle 58
Cleaning 624
Fastening 52, 395
Force limiter 55
Messages in display 697
Proper use of 54, 397
Safety guidelines 44
Telltale 29, 55, 635
Seating capacity 586
Seats 373
adjusting front passenger seat from
driver’s seat 376
Adjustment 373
Drive-dynamic multicontour* in the
front, Adjusting (COMAND) 285
Easy entry/exit feature 384
Folding back and placing upright
rear head restraints 380
Head restraints 379
Heating* 377
Lumbar support (COMAND) 283
Memory function 392
Multicontour* in the front,
Adjusting (COMAND) 283
Operating via COMAND 282Setting front passenger seat position
from rear 377
Ventilation* 378
Securing cargo
Cargo tie-down hooks 532
Selector lever
Lock 416
Selector lever see Gear selector lever
Self-test
OCS 52
Tele Aid 543
Service and warranty information 14
Service intervals see
Maintenance service indicator
Service life, Tires 583
Service see Maintenance
Service system see Maintenance System
Service, Parts 746
Setting
Cruise control 447
DISTRONIC Plus* time interval 464
Following distance in DISTRONIC
Plus* 464
Higher speed in cruise control 449
Higher speed in DISTRONIC
Plus* 461Lower speed in cruise control 450
Lower speed in DISTRONIC
Plus* 462
Slower speed in cruise control 450
Slower speed in DISTRONIC
Plus* 462
Speed in DISTRONIC Plus* 460
Suspension tuning (ABC*) 470
Temperature (interior) 504
Temperature (rear passenger
compartment) 510
To last stored speed (“Resume” func-
tion) in cruise control 450
To last stored speed in DISTRONIC
Plus* (“Resume” function) 463
Vehicle level control (ABC*) 471
Setting current speed 447
Settings
Calling up DISTRONIC Plus* 455
Control system in instrument cluster
menus 305
Daytime running lamp mode 306
Resetting trip odometer 292
Shelf below rear window, Cleaning and
care of 624