service interval reset MERCEDES-BENZ S-Class 2012 W221 Owner's Manual

Servicesee ASSYST PLUS service interval
display
Service interval display
Displaying service messages .........462
Hiding service messages ...............462
Notes ............................................. 462
Service messages ..........................462
Service menu (on-board computer) . 385
Service products Brake fluid ..................................... 528
Capacities ...................................... 524
Coolant (engine) ............................ 529
DEF special additives .....................527
Engine oil ....................................... 527
Fuel ................................................ 525
Important safety notes ..................522
Refrigerant (air-conditioning
system) .......................................... 528
Washer fluid ................................... 529
Setting a station (radio)
Via manual frequency entry ...........212
Settings
Display ........................................... 143
Menu overview .............................. 121
On-board computer .......................385
Picture (COMAND) .........................240
Picture (Rear Seat Entertainment
System) ......................................... 249
Sound settings ............................... 135
System settings ............................. 143
Setting the language
COMAND ....................................... 149
Rear Seat Entertainment System ...258
Setting the night design ................... 143
Setting the text reader speed .......... 145
Setting the vehicle level ................... 345
Setting the volume Telephone calls .............................. 134
Video AUX ..................................... 246
Side impact air bag ............................. 48
Side marker lamp (display
message) ............................................ 403
Side windows Convenience closing feature ............94
Convenience opening feature ..........93
Important safety information ...........92
Opening/closing .............................. 93Problem (malfunction) .....................95
Resetting ......................................... 95
Sliding sunroof
Important safety notes ....................95
Opening/closing .............................. 96
Problem (malfunction) ...................100
Resetting ......................................... 97
see Panorama roof with power
tilt/sliding panel
SmartKey
Changing the battery .......................82
Changing the programming .............81
Checking the battery .......................82
Convenience closing feature ............94
Convenience opening feature ..........93
Display message ............................ 419
Door central locking/unlocking .......78
Important safety notes ....................78
Loss ................................................. 84
Mechanical key ................................ 81
Positions (ignition lock) .................303
Problem (malfunction) .....................84
Starting the engine ........................305
SMS message
see Text message
Snow chains ...................................... 493
Socket Glove box ....................................... 442
Sockets
Points to observe before use .........441
Rear compartment .........................442
Trunk ............................................. 442
Sound menu ....................................... 135
Sounds see Sound settings
Sound settings
Balance and fader ..........................135
Calling up the sound menu ............135
Rear Seat Entertainment System ...248
Surround sound ............................. 136
Treble and bass ............................. 135
Spare wheel
Storage location ............................ 472
see Emergency spare wheel
Specialist workshop ............................ 31
Speech control see Voice Control System Index21

The brake fluid level is correct if it is between
MIN marking ; and MAX marking : on the
brake fluid reservoir.
Maintenance
Service interval display
Service messages
Information on the type of service and service
intervals (see separate Service Booklet).
You can obtain further information from an
authorized Mercedes-Benz Center or at
http://www.mbusa.com (USA only).
The service interval display informs you of the
next service due date.
If a service due date has been exceeded, you
also hear an acoustic signal.
The multifunction display shows a service
message for a few seconds, e.g.
Next service A due in .. days
Service A due
Service A overdue by .. days
The letter indicates how much time the
workshop will require to carry out the service
work. The letters displayed range from A for
a short service duration to H for a long service
duration.
The service interval display does not take into
account any periods of time during which the
battery is disconnected.
Maintaining the time-dependent service
schedule:XNote down the service due date displayed
in the multifunction display before
disconnecting the battery.
or
XSubtract the battery disconnection periods
from the service date shown on the display
after reconnecting the battery.
i The service interval display does not
provide any information regarding the
engine's oil level. Observe the notes on the
engine oil level ( Y page 457).
Hiding a service message
XPress the % or a button on the
steering wheel.
Displaying service messages
XSwitch on the ignition.XPress = or ; on the steering wheel
to select the Service menu.XPress 9 or : to select the ASSYST
PLUS submenu and press a to confirm.
The service due date appears in the
multifunction display.
Please bear the following in mind
Resetting service interval display
If the qualified specialist workshop, e.g. a
Mercedes-Benz Center, carried out the
maintenance work, the service interval
display will be reset.
Further information, on maintenance for
example, can be obtained at an authorized
Mercedes-Benz Center or directly from
Mercedes-Benz.
! If the service interval display has been
reset unintentionally, have the setting
corrected at a Mercedes-Benz Center.
Have service work carried out as described
in the Service Booklet. This may otherwise
462MaintenanceMaintenance and care