Mercedes-Benz 2013 M Class - Manual (Page 178)

Problems with fuel and the fuel tank
Problem Possible causes/consequences and M Solutions
Fuel is leaking from the
vehicle. The fuel line or the fuel tank is faulty.
G
WARNING
Risk of explosion or fire.
X Turn the SmartKey to position 0 in the ignition lock and remove
it immediately ( Y page 157).
X Do not restart the engine under any circumstances.
X Consult a qualified specialist workshop.
The engine does not
start. The fuel tank of a vehicle with a diesel engine has been run
completely dry.
X Refuel the vehicle with at least 5.3 US qt (5 liters) of diesel.
X Turn the ignition on for approximately ten seconds
(
Y page 157).
X Start the engine continuously for up to ten seconds until it runs
smoothly.
If the engine does not start:
X Turn the ignition on again for approximately ten seconds
(
Y page 157).
X Start the engine again continuously for up to ten seconds until
it runs smoothly.
If the engine does not start after three attempts:
X Consult a qualified specialist workshop.
The fuel filler flap
cannot be opened. The fuel filler flap is not unlocked.
or
The SmartKey battery is discharged.
X Unlock the vehicle ( Y page 79).
or
X Unlock the vehicle using the mechanical key ( Y page 80).
The fuel filler flap is unlocked, but the opening mechanism is
jammed.
X Consult a qualified specialist workshop.
176
Refueling
Driving and parking