service reset MERCEDES-BENZ S550 4MATIC 2008 W221 Owner's Manual

Contents
Infrared reflecting windshield ....... 524
Operation......................................... 525
The first 1000 miles (1500 km) ......... 526
Driving instructions ............................ 527
Drive sensibly – save fuel ............. 527
Drinking and driving ..................... 527
Pedals .......................................... 527
Power assistance ......................... 527
Brakes .......................................... 528
Driving off..................................... 530
Parking ......................................... 530
Tires ............................................. 531
Hydroplaning ................................ 531
Tire traction .................................. 532
Tire speed rating .......................... 532
Winter driving instructions ........... 533
Standing water ............................. 534
Passenger compartment .............. 535
Driving abroad .............................. 535
Control and operation of radio
transmitters.................................. 535
Catalytic converter ....................... 536
Emission control........................... 536
Coolant temperature .................... 537At the gas station .............................. 538
Refueling ...................................... 538
Check regularly and before
a long trip ..................................... 540
Engine compartment ......................... 541
Hood ............................................ 541
Engine oil ..................................... 543
Transmission fluid level ................ 546
Active Body Control* (ABC*)
fluid level...................................... 547
Coolant level ................................ 547
Windshield washer system and
headlamp cleaning system ........... 548
Tires and wheels ................................ 550
Important guidelines .................... 550
Tire care and maintenance ........... 551
Direction of rotation ..................... 553
Loading the vehicle ...................... 553
Recommended tire
inflation pressure ......................... 558
Checking tire inflation pressure ... 560
Tire labeling.................................. 567
Load identification ....................... 571
DOT, Tire Identification Number
(TIN) ............................................. 572
Maximum tire load ....................... 573Maximum tire inflation pressure .. 573
Uniform Tire Quality Grading
Standards (U.S. vehicles) ............. 574
Tire ply material ........................... 575
Tire and loading terminology........ 576
Rotating tires ............................... 578
Winter driving .................................... 580
Winter tires .................................. 580
Snow chains................................. 581
Maintenance...................................... 582
Maintenance service indicator
message ...................................... 582
Calling up the maintenance
service indicator display .............. 583
Resetting the maintenance
service indicator .......................... 584
Vehicle care....................................... 585
Cleaning and care of vehicle ........ 585
Practical hints................................. 597
What to do if …? ................................ 598
Lamps in instrument cluster ........ 598
Air bag off indicator lamp............. 610
Vehicle status messages in the
multifunction display.................... 612

Contents
Where will I find ...? ........................... 668
First aid kit ................................... 668
Vehicle jack, vehicle tool kit,
luggage bowl, Minispare wheel .... 668
Unlocking/locking in an emergency .. 671
Unlocking the vehicle ................... 671
Locking the vehicle ...................... 672
Mechanically releasing the
electronic parking brake .............. 673
Opening/closing in an emergency..... 674
Power tilt/sliding sunroof or
panorama roof with
power tilt/sliding panel*.............. 674
Resetting activated head restraints ... 675
Replacing SmartKey batteries ........... 676
Replacing bulbs ................................. 678
Bulbs ............................................ 679
Replacing bulbs for front lamps ... 680
Replacing wiper blades ...................... 684
Placing wiper arms in vertical
position ........................................ 684
Removing wiper blades ................ 685
Installing wiper blades................. 685
Flat tire .............................................. 686
Preparing the vehicle ................... 686
Mounting the spare wheel............ 686Batteries ............................................. 692
Disconnecting starter battery ....... 694
Removing starter battery .............. 695
Charging battery ........................... 695
Reinstalling starter battery ........... 696
Reconnecting starter battery ........ 696
Jump starting ...................................... 697
Towing the vehicle .............................. 700
Installing towing eye bolt .............. 703
Fuses .................................................. 704
Fuse boxes in engine
compartment ................................ 705
Fuse boxes in passenger
compartment ................................ 706
Emergency engine shut-down ....... 707
Technical data.................................. 709
Parts service....................................... 710
Warranty coverage ............................. 711
Loss of Service and Warranty
Information Booklet ...................... 711
Identification labels ............................ 712
Layout of poly-V-belt drive .................. 714
S 550 ............................................ 714
S 63 AMG ..................................... 714S 600 and S 65 AMG .................... 714
Engine ................................................ 715
Rims and tires .................................... 718
Same size tires ............................. 719
Mixed size tires ............................. 720
Spare wheel .................................. 721
Electrical system ................................ 722
Main dimensions and weights ............ 723
Main dimensions........................... 723
Weights......................................... 723
Fuels, coolants, lubricants, etc. .......... 724
Capacities ..................................... 724
Engine oils .................................... 728
Engine oil additives ....................... 728
Air conditioning refrigerant ........... 728
Brake fluid .................................... 728
Premium unleaded gasoline.......... 729
Fuel requirements......................... 729
Gasoline additives......................... 730
Coolants ....................................... 730
Windshield washer system and
headlamp cleaning system ........... 733
Index................................................. 735

105 Control systems
COMAND satellite radio* (USA only)
COMAND satellite radio* (USA only)
Submenu overview
Warning!G
Please devote your attention first and fore-
most to the traffic situation you are in.
Before your journey, please familiarize your-
self with the radio functions.
Only use the COMAND when road and traffic
conditions permit you to do so. Otherwise
you could be involved in an accident in
which you or others could be injured.
iThe components and operating principles of
COMAND can be found on (
page 85).
Sat Radio Presets Info Category Sound
Channel ListStation presets Show program infoSelect categoryTreble
Save ChannelBass
Channel Entry Balance/Fader
Service3D Sound

107 Control systems
COMAND satellite radio* (USA only)
Satellite radio service is not activated
The telephone number of the SIRIUS Ser-
vice Center and the twelve-digit electronic
serial number (SIRIUS-ID) of the particular
receiver are displayed.
This information is required when calling
the SIRIUS Service Center for an activation
request.
Closing screen: Press n.Only the preview channel is activated
The satellite radio preview channel ap-
pears.
Satellite radio service is fully activated
The main satellite radio menu appears. You
will hear the channel last tuned in, provid-
ed that it can be received.
Main satellite radio menu
1Main area with channel display
2Preset position of selected channel
3Selected channel
4Selected program category
5Sound settings
6To select program category
7Channel number of selected channel
8Other channel information
9Preset options
aSatellite radio options
iCredit card information is also required for
your application. The activation process takes
approximately 5 to 10 minutes after calling the
SIRIUS Service Center.
iIf only the preview channel is activated, you
cannot tune in another channel. If you try to do
this, you will see the screen described in the sec-
tion “Satellite radio service is not activated”
(
page 107).

108 Control systems
COMAND satellite radio* (USA only)
Selecting program category
Select “Audio”
“Audio”
“Sat Ra-
dio”
“Category”.
The category list appears.
Select category by rotating ymz or
slidingqmr and press n.
When selecting a channel using the
channel search function or the channel
list, you have access to the channels
you subscribe to and which are includ-
ed in the selected category.
Tuning in channels
You have the following selection options:

The channel search function

The channel presets

The manual channel number entry

The channel listTuning in channels using channel
search function
Slide omp or rotate ymz when the
main area is selected.
Depending on the direction in which
the controller is being pressed or rotat-
ed, the system searches upward or
downward and stops at the next receiv-
able channel.
Tuning in channels using channel
presets
Select “Audio”
“Audio”
“Sat Ra-
dio”
“Presets”.
or
iMain area 1 can show all channels includ-
ed in your subscription. Which channels are
shown depends on the selected program catego-
ry 4.
Note that categories and channels shown in illus-
trations are dependent on programming content
delivered by the service provider. Programming
content is subject to change.
Therefore, channel and categories shown in illus-
trations and descriptions contained in this man-
ual may differ from the channels and categories
delivered by the service provider.
iThe channels are categorized. Categories al-
low you to tune to stations broadcasting a cer-
tain type of program.
iIf only the preview channel is activated, only
certain categories are available on the list. Which
categories these are depend on the service pro-
vider.
iWhen you select the category “All Chan-
nels”, you have access to all the channels you
subscribe to, regardless of category, when you
are tuning in a channel using the channel search
function or the channel list.
iThis function is not possible when only the
preview channel is activated. If you try to tune in
a channel in this instance, you will see the
screen described in the section “Satellite radio
service is not activated” (
page 107).
iWhich channels are found by the channel
search function depends on which channels you
have subscribed to and the program category
you have selected (
page 108).

109 Control systems
COMAND satellite radio* (USA only)
Press n when the main area is select-
ed.
The preset menu appears. The dotR
in front of a preset position indicates
that this is the channel currently select-
ed and being listened to.
Select station preset and briefly
pressn.
COMAND tunes in the corresponding
channel as long as it is included in your
subscription and is still available.
If the channel is not included in your
subscription, you will see the message
described in the section “Satellite radio
service is not activated” (
page 107).If the channel is no longer available or
only the preview channel is activated,
you will see the message “Invalid Chan-
nel”.
Closing message: Press n.
Tuning in channels using manual chan-
nel number entry
Select “Audio”
“Audio”
“Sat Ra-
dio”
“Sat Radio”
“Channel Entry”.
The menu for manual channel number
entry appears.
Exiting menu without making an
entry: Press L back button in the
center console (
page 86).
Increase or decreasing number:
Slide qmr or rotate ymz.
Selecting next number: Slideomp.
Confirming channel entry: Press n.
Further operation depends on whether
the selected channel number is valid or
if the channel is included in your sub-
scription.
Channel number is valid and channel is
included in subscription
COMAND tunes in the channel entered.
Channel number is invalid
You will see the message “Invalid Chan-
nel”.
Closing message: Press n.
Channel number is valid but channel is
not included in subscription
You will see the screen described in the
section “Satellite radio service is not acti-
vated” (
page 107).
Closing display: Press n.
iThis function is not possible when only the
preview channel is activated. If you try to tune in
a channel in this instance, you will see the
screen described in the section “Satellite radio
service is not activated” (
page 107).

235 Control systems
COMAND system settings
COMAND system settings
System settings menu overview
Display settings
Switching the display on or off
Switching off: Select “Vehicle”

“Display OFF”.
Switching back on: Rotate ymz or
slideqmr.
Setting the display design
Select “Vehicle”
“System Settings”

“Display”.
Select “Day Mode”, “Night Mode” or
“Automatic”.
Time settings
Setting the time
Select “Vehicle”
“System Settings”

“Time”
“Time”.
Selecting hour or minute(s):
Slideomp.
Setting value: Rotate ymz or
slideqmr.
Saving setting: Press n.
iThe components and operating principles of
COMAND can be found on (
page 85).
Display
(
page 235)
Time
(
page 235)
Voice Control*
(
page 237)
Language
(
page 238)
Favorite
(
page 238)
Services
(
page 239)
Reset
(
page 235)
Display settingsTime settingsVoice Control*
settingsLanguage
settingsAssign favorite
buttonBluetooth®
settingsReset COMAND to
factory settings
iIn the “Automatic” setting, COMAND ana-
lyzes the automatic vehicle light sensor and
switches between the display design automati-
cally.
iThe correct time must be set for the follow-
ing navigation system functions to operate cor-
rectly:

Route guidance on routes with time-depen-
dent traffic guidance

Calculation of estimated arrival time
iThe increment value for setting the minutes
depends on the situation. If GPS reception is
available, it is 30 minutes. If GPS reception is not
available, it is one minute.

393 Controls in detail
Driving and parking
For more information, see “Driving instruc-
tions” (
page 527).
Turn signals
Combination switch
1Turn signals, right
2Turn signals, left
Press the combination switch in the
direction of arrow1 or2.
The corresponding turn signal indicator
lampL orK in the instrument
cluster flashes (
page 28).
The combination switch resets automati-
cally after major steering wheel move-
ments.
Problems while driving
The engine runs erratically and misfires

An ignition cable may be damaged.

The engine electronics may not be op-
erating properly.

Unburned gasoline may have entered
the catalytic converter and damaged it.
Give very little gas.
Have the problem repaired by an au-
thorized Mercedes-Benz Center as
soon as possible.
!Do not run cold engine at high engine
speeds. Running a cold engine at high engine
speeds may shorten the service life of the en-
gine. This is not covered by the Mercedes-Benz
Limited Warranty.
S 63 AMG and S 65 AMG only:
At engine temperatures below 68°F (20° C), the
maximum speed is restricted in order to protect
the engine. Avoid driving the vehicle at full speed
while the engine is cold in order to prevent pre-
mature engine wear as well as diminished com-
fort.
!Simultaneously depressing the accelerator
pedal and applying the brakes reduces engine
performance and causes premature brake and
drivetrain wear which is not covered by the
Mercedes-Benz Limited Warranty.
iTo signal minor directional changes such as
changing lanes, press combination switch only
to point of resistance and release. The corre-
sponding turn signals will flash three times.

583 Operation
Maintenance
To clear the maintenance service
indicator message: Press L
(
page 265).
The maintenance service indicator
message is cleared and the standard
display appears in the multifunction
display (
page 268).Maintenance service term exceeded
If you have exceeded the suggested main-
tenance service term, you will see the fol-
lowing message in the multifunction
display:
“Service A exceeded by XXX miles (km)
Service A exceeded by XX days”
In addition, a signal sounds when the mes-
sage appears.
Any authorized Mercedes-Benz Center will
reset the maintenance service indicator
following a completed maintenance
service.Calling up the maintenance service
indicator display
You can call up the maintenance service in-
dicator display at any time to check when
the next maintenance service is due.
Switch on the ignition (page 344).
The standard display of the control sys-
tem appears (
page 268).
Press ( or & on multifunction
steering wheel to select “Service”
menu.
Press % or $ to select the main-
tenance service indicator display.
Press #.
The service deadline appears in the
multifunction display.
iThe maintenance service indicator message
is automatically cleared

after approximately 10 seconds when you
switch on the ignition or when reaching the
service threshold while driving

after approximately 30 seconds, once the
suggested maintenance service term has
passed
You can also clear it yourself.
iThe menu overview can be found on
(
page 266).

584 Operation
Maintenance
Resetting the maintenance service
indicator
In the event that the maintenance service
on your vehicle is not carried out by an au-
thorized Mercedes-Benz Center, you can
have the maintenance service indicator re-
set. The automotive maintenance facility
carrying out the maintenance service will
find the information for resetting the main-
tenance service indicator in the mainte-
nance-relevant information for your
vehicle. Such information is available from
any authorized Mercedes-Benz Center or
directly from Mercedes-Benz.iIf the battery is disconnected, the days of
disconnection will not be included in the count
shown by the maintenance service indicator.
To arrive at the true maintenance service dead-
line, you will need to subtract these days from
the days shown in the maintenance service indi-
cator message or maintenance service indicator
display.iIf the maintenance service indicator was in-
advertently reset, have an authorized
Mercedes-Benz Center correct it.
Only reset if the proper maintenance service has
been performed. Resetting the system without
performing the proper service as called for by
the maintenance service indicator will result in
engine damage and/or other vehicle damage not
covered by the Mercedes-Benz Limited
Warranty.