Mercedes-Benz R-Class Owner's Manual page 292

Problem
The fuel tank of a vehicle with a
diesel engine has been run com-
pletely dry and will not start.
Possible cause/consequence
There is air in the fuel system.
Suggested solutions
Refuel the vehicle.
X
Switch on the ignition for approximately 10 seconds (key in posi-
X
tion 2 ( page 76) in the ignition lock).
Y
Start the engine continuously for up to 40 seconds until it runs
X
smoothly.
The fuel system is now free of air.
If the engine does not start:
Wait two minutes.
X
Repeat the starting procedure for up to 40 seconds.
X
If the engine still does not start:
Consult a qualified specialist workshop.
X
Practical advice
Troubleshooting
Z
289