Mercedes-Benz E-Class 2010 Owner's Manual page 155

Refuelling
152
Problems with the fuel and fuel tank
Problem
Fuel is leaking from the
vehicle.
The fuel filler flap can-
not be opened.
The fuel tank in a diesel
engine vehicle has
been run completely
dry and the engine will
not start.
Possible causes/consequences and M Solutions
G
Risk of explosion or fire
The fuel line or the fuel tank is defective.
Turn the key to position 0(
X
immediately and remove it.
Do not restart the engine under any circumstances.
X
Consult a qualified specialist workshop.
X
The fuel filler flap is not unlocked.
or
The key batteries are discharged.
Unlock the vehicle (
X
or
Unlock the vehicle using the emergency key element
X
( page 67).
Y
The fuel filler flap is unlocked, but the opening mechanism is jam-
med.
Consult a qualified specialist workshop.
X
There is air in the fuel system.
Refuel the vehicle with at least 5 litres of diesel.
X
Turn the ignition on for at least 10 seconds. Turn the key to
X
position 2( page 135) in the ignition lock.
Y
Start the engine continuously for up to 10 seconds until it runs
X
smoothly.
or
Start the engine via the touch-start function. To do this, turn the
X
key to position 3(
Y
release it immediately.
The fuel system is now free of air.
If the engine does not start:
Turn the ignition on again for at least 10 seconds. Turn the key
X
to position 2( page 135) in the ignition lock.
Y
Start the engine again continuously for up to 10 seconds until
X
it runs smoothly.
or
Start the engine again via the touch-start function.
X
If the engine does not start after three attempts:
page 135) in the ignition lock
Y
page 66).
Y
page 135) in the ignition lock and then