2009 Mercedes R-Class Owner's Manual - Page 333

Practical hints Vehicle status messages in the multifunction display Display messages Possible cause/consequence Battery/Alternator Stop Vehicle The battery is defective. Possible solution X X X X # Stop the vehicle in a safe location or as soon as it is safe to do so. Engage the parking brake. Do not continue to drive. Contact an authorized Mercedes-Benz Center. Check the engine oil level (Y page 249) and add engine oil as required (Y page 250). If you must add engine oil frequently, have the engine checked for possible leaks. N Check engine oil level at next refueling. The engine oil level is too low. X X If the message Check engine oil level at next refueling. 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 damage that is not covered by the Mercedes-Benz Limited Warranty. Z 331