2008 Mercedes R-Class Owner's Manual - Page 503
2008 Mercedes R-Class Manual
Page 503 highlights
Practical hints Bleeding the fuel system (diesel engine only) Driving the vehicle until the fuel tank is empty is not recommended. Otherwise, air may be sucked into the fuel system. If this happens, the ? malfunction indicator lamp (USA only) or the ± malfunction indicator lamp (Canada only) comes on and the engine may not start immediately after refueling the vehicle. After refueling: Make sure the automatic transmission is set to P. The gear position indicator in the multifunction display should be on P. Do not depress the accelerator. Turn the SmartKey in the starter switch to position 3 ( page 41) and hold it there for a maximum of 40 seconds or until the engine runs surge-free. If the engine does not start: Wait for approximately 2 minutes. Turn the SmartKey in the starter switch to position 3 ( page 41) and hold it there for a maximum of 40 seconds or until the engine runs surge-free. If the engine still does not start, do not make any further attempts to start the engine. Contact an authorized Mercedes-Benz Light Truck Center or call Roadside Assistance ( page 325). i Vehicles with KEYLESS-GO*: If necessary, remove the KEYLESS-GO start/stop button from the starter switch ( page 41). i When the ? malfunction indicator lamp Turn the SmartKey in the starter switch to position 2 for at least 10 seconds ( page 40). Return the SmartKey in the starter switch to position 0 ( page 40). (USA only) or the ± malfunction indicator lamp (Canada only) has been illuminated for the above condition, it will remain illuminated until the engine was cycled on and off four times in a row. 502