Problems with the fuel and fuel tank
Problem
Possible causes/consequences and
M
M
Solutions
Fuel is leaking from the
vehicle.
G
WARNING
The fuel line or the fuel tank is faulty.
There is a risk of fire or explosion.
X
Apply the electric parking brake.
X
Switch off the engine.
X
Remove the key from the ignition lock.
or, on vehicles with KEYLESS-GO start function or KEYLESS
‑
GO:
X
Open the driver's door.
The on-board electronics now have status 0. This is the same as the
key having been removed.
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 litres of diesel.
X
Turn the ignition on for approximately ten seconds (
Y
page 158).
X
Start the engine continuously for a maximum of ten seconds until it
runs smoothly.
If the engine does not start:
X
Turn the ignition on again for a maximum of ten seconds
(
Y
page 158).
X
Start the engine again continuously for a maximum of 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.
X
Unlock the vehicle (
Y
page 85).
X
PLUG-IN HYBRID vehicles: depressurise the fuel tank
(
Y
page 176).
The key battery is discharged or nearly discharged.
X
Unlock the vehicle using the emergency key element (
Y
page 86).
The fuel filler flap is unlocked, but the opening mechanism is jammed.
X
Consult a qualified specialist workshop.
Refuelling
179
Driving
and
parking
Z