2009 Mercedes SL-Class Owner's Manual - Page 274
2009 Mercedes SL-Class Manual
Page 274 highlights
Practical hints Vehicle status messages in the multifunction display ! Brake pad thickness must be visually inspected by a qualified technician at the intervals specified in the Maintenance Booklet. G Warning! Have brake pad replacement and other work on the electro-hydraulic brake system carried out by qualified technicians only. Contact an authorized Mercedes-Benz Center for further information. The electro-hydraulic brake system must be deactivated prior to working on the sysDisplay messages tem. High pressure is intermittently built up in the system as part of its automatic selftest. In addition, the system is automatically activated when the vehicle is unlocked by remote control, when the driver or passenger door is opened, when the SmartKey in the starter switch is turned to position 1 or Possible cause/consequence Check Brake Fluid Level the KEYLESS-GO start/stop button is pressed once, when the brake pedal is depressed or when the parking brake is released. Failure to deactivate the system prior to maintenance will cause brake pistons to extend and brake fluid to leak, which may result in injuries (contusions and acid burns). Extended brake pistons may also cause injury. Possible solution ; (USA only) 3 (Canada only) There is insufficient brake fluid in the res- Risk of accident! ervoir. X Stop the vehicle in a safe location or as soon as it is safe to do so. X X Do not drive any further. Contact an authorized Mercedes-Benz Center or call Roadside Assistance. Do not add brake fluid! This will not solve the problem. G Warning! Driving with the message Check Brake Fluid Level displayed can result in an accident. Have your brake system checked immediately. Do not add brake fluid before checking the brake system. Overfilling the brake fluid reservoir can result in spilling brake fluid on hot engine parts and the brake fluid catching fire. You can be seriously burned. 272