2011 Mercedes S-Class Owner's Manual - Page 454

452 Care Further information can be obtained at 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 Exceeded 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: X Points to remember A qualified specialist workshop, e.g. a Mercedes-Benz Service Center, will reset the service interval display after the necessary service work has been carried out. You can obtain further information, e.g. regarding service work, at an authorized Mercedes-Benz Center or directly from Mercedes-Benz. Maintenance and care ! If the service interval indicator has been inadvertently reset, this setting can be corrected at an authorized Mercedes-Benz Center. Have the service work carried out as described in the Service Booklet. There may otherwise be increased wear, resulting in damage to the vehicle or to the major assemblies. Care Notes on care Regular care of your vehicle is a condition for retaining the quality in the long term. Use care products and cleaning agents recommended and approved by MercedesBenz. Note down the service due date displayed in the multifunction display before disconnecting the battery. Subtract the battery disconnection periods from the service date shown on the display after reconnecting the battery. or X G Warning Hiding a service message X Press % or a on the steering wheel. Displaying service messages X X Switch on the ignition. Press = or ; to select the Service menu on the steering wheel. X Press 9 or : to select the ASSYST PLUS submenu and press a to confirm. The service due date appears in the multifunction display. Many cleaning products can be hazardous. Some are poisonous, others are flammable. Always follow the instructions on the particular container. Always open your vehicle's doors or windows when cleaning the inside. Never use fluids or solvents that are not designed for cleaning your vehicle. Always lock away cleaning products and keep them out of reach of children. ! For cleaning your vehicle, do not use any of the following: Rdry, rough or hard cloths Rabrasive cleaning agents