2009 Mercedes SL-Class Owner's Manual - Page 286

Practical hints Vehicle status messages in the multifunction display Display messages Possible cause/consequence Battery/Alternator Stop Car The battery is defective. The electro-hydraulic brake system requires electrical energy and therefore has only limited operation. Considerably greater brake pedal force is required and the stopping distance is increased. Vehicles with oil dipstick only: The engine oil has dropped to a critical level. Possible solution X X X X X # Stop the vehicle in a safe location or as soon as it is safe to do so. Adjust driving to be consistent with reduced braking responsiveness. Contact an authorized Mercedes-Benz Center. Check the engine oil level (Y page 204) and add engine oil as required (Y page 206). If you must add engine oil frequently, have the engine checked for possible leaks. Add engine oil (Y page 206) and check the engine oil level (Y page 204). N Engine Oil Level Check Level N Add 1 qt engine oil Vehicles with engine oil measuring system at next refueling. only: (USA only) The engine oil level is too low. Add 1 liter engine oil at next refueling. (Canada only) X If the message Add 1 qt (Canada: 1 liter) engine oil at next refueling or Engine Oil Level Check Level appears while the engine is running and at operating temperature, the engine oil level has dropped to approximately the minimum level. The message will be stored in the vehicle status message memory after you have cleared it from the multifunction display. Visually check for oil leaks. If there are no obvious oil leaks, drive to the nearest service station to refill your engine oil to the required level. For information on approved engine oils contact an authorized Mercedes-Benz Center or visit www.mbusa.com (USA only). ! Engine oil level warnings should not be ignored. Extended driving with the symbol displayed could result in serious engine 284