Problems with fuel and the fuel tank
Problem | Possible causes/consequences and
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Fuel is leaking from the vehicle. | Risk of explosion or fire The fuel line or the fuel tank is
defective. |
The fuel filler flap cannot be opened. | The fuel filler flap is not unlocked. or The SmartKey battery is discharged. - Unlock the vehicle. or - Unlock the vehicle using the mechanical key. |
The fuel filler flap is unlocked, but the opening mechanism is
jammed. - Consult a qualified specialist workshop. |
|
The engine will not start. | The fuel tank of a vehicle with a diesel engine has been run
completely dry. - Refuel the vehicle with at least 5.3 US qt (5 liters) of diesel. - Turn the ignition on for at least 10 seconds. - Start the engine continuously for up to 10 seconds until it runs smoothly. If the engine does not start: - Turn the ignition on again for approximately 10 seconds. - Start the engine again continuously for up to 10 seconds until it runs smoothly. If the engine does not start after three attempts: - Consult a qualified specialist workshop. |
See also:
SRS warning lamps
SRS functions are checked regularly when
you switch on the ignition and when the
engine is running. Therefore, malfunctions
can be detected in good time.
The SRS warning lamp in the
instrumen ...
Low-beam headlamps
To switch on the low-beam
headlamps: turn the SmartKey in the ignition lock to position 2 or
start the engine.
Turn the light switch to
.
The indicator lamp in the
instrument cluster light ...
DEF
Important safety notes
For BlueTEC vehicles only.
DEF is a non-flammable, non-toxic, colorless,
odorless and water-soluble fluid.
Only use DEF that complies with
ISO 22241. Do not add any ...