2008 Mercedes R-Class Owner's Manual - Page 452

Practical hints What to do if ... Display symbol Display message Check engine oil level at next refueling. Possible cause/consequence Possible solution The engine oil level is too low. Check the engine oil level ( page 358). N When 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. When this occurs, the warning will first come on intermittently and then stay on if the oil level drops further. Visually check for oil leaks. If no obvious oil leaks are noted, drive to the nearest service station where the engine oil should be topped to the required level with an approved engine oil. For information on approved engine oils, refer to the Factory Approved Service Products pamphlet (USA only) or contact an authorized Mercedes-Benz Light Truck Center. ! The engine oil level warning 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. 451