Adding - Mercedes-Benz M-Class Operator's Manual

Refueling
152
Problems with fuel and the fuel tank
Problem
Fuel is leaking from the
vehicle.
The fuel filler flap
cannot be opened.
The engine will not
start.
DEF
Important notes on use
To function properly, BlueTEC exhaust gas
aftertreatment must be operated with the
reducing agent DEF.
Possible causes/consequences and M Solutions
G
Risk of explosion or fire
The fuel line or the fuel tank is defective.
Turn the SmartKey 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 SmartKey battery is discharged.
Unlock the vehicle (
X
or
Unlock the vehicle using the mechanical key (
X
The fuel filler flap is unlocked, but the opening mechanism is
jammed.
Consult a qualified specialist workshop.
X
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.
X
Turn the ignition on for at least 10 seconds (
X
Start the engine continuously for up to 10 seconds until it runs
X
smoothly.
If the engine does not start:
Turn the ignition on again for approximately 10 seconds
X
( page 139).
Y
Start the engine again continuously for up to 10 seconds until
X
it runs smoothly.
If the engine does not start after three attempts:
Consult a qualified specialist workshop.
X
I n f o r ma t i o n P r o v i d e d b y :
page 139) in the ignition lock
Y
page 72).
Y
When the DEF supply has almost run out, the
Check Additive See Operator's
Manual message is shown in the
multifunction display.
When the DEF supply sinks to a minimum
level, the Remaining Starts: 16
is shown in the multifunction display.
page 75).
Y
page 139).
Y
message