See also:

SmartKey
You have put the wrong SmartKey in the ignition lock. Use the correct SmartKey. The SmartKey is in the ignition lock. Remove the SmartKey. The SmartKey nee ...

Please bear the following in mind
Resetting service interval display If the qualified specialist workshop, e.g. a Mercedes-Benz Center, carried out the maintenance work, the service interval display will be reset. Further info ...

Checking the oil level using the oil dipstick
Park the vehicle on a level surface. To check the oil level with the engine at normal operating temperature, switch the engine off and wait for approximately five minutes. Pull oil dipst ...