2011 Mercedes CL-Class Owner's Manual - Page 411

Maintenance and windshield washer concentrate (e.g. MB SummerFit). X At temperatures below freezing: fill the washer fluid reservoir with a mix of water and MB SummerFit windshield washer concentrate. For information on the mixing ratio, see (Y page 473) or use the premixed windshield washer solution with antifreeze available in specialist stores. X X 409 Maintenance Service interval display Service messages Information on the type of service and service intervals (see separate Service Booklet). 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 Brake fluid level ! If you discover that the brake fluid level in the brake fluid reservoir has fallen to the MIN mark or below, check the brake system for leaks immediately. Also check the brake lining thickness. Contact a qualified specialist workshop, e.g. an authorized Mercedes-Benz Center immediately. Do not top up the brake fluid. This will not rectify the malfunction. Only check the brake fluid level when the vehicle is stationary and on a level surface. 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 The brake fluid level is correct if it is between MIN marking ; and MAX marking : on the brake fluid reservoir. Hiding a service message X Press % or a on the steering wheel. Z Maintenance and care To open: pull cap : upwards by the tab. Add the premixed washer fluid. X To close: press cap : onto the filler neck until it engages.