Mercedes-Benz C-Clas 2016 Owner's Manual page 159

Refuelling
156
Problems with the fuel and fuel tank
Problem
Fuel is leaking from the
vehicle.
The engine does not
start.
The fuel filler flap cannot
be opened.
®
AdBlue (BlueTEC vehicles only)
General notes
To function properly, BlueTEC exhaust gas after-
treatment must be operated with the reducing
®
agent AdBlue .
Possible causes/consequences and M M Solutions
G
WARNING
The fuel line or the fuel tank is faulty.
There is a risk of fire or explosion.
Apply the electric parking brake.
X
Switch off the engine.
X
Remove the key from the ignition lock.
X
or, on vehicles with KEYLESS-GO start function or KEYLESS‑GO:
Open the driver's door.
X
The vehicle electronics now have status 0. This is the same as the
key having been removed.
Do not restart the engine under any circumstances.
X
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 l of diesel.
X
Turn the ignition on for approximately ten seconds (
X
Start the engine continuously for a maximum of ten seconds until it
X
runs smoothly.
If the engine does not start:
Turn the ignition on again for a maximum of ten seconds
X
( page 133).
Y
Start the engine again continuously for a maximum of ten seconds
X
until it runs smoothly.
If the engine does not start after three attempts:
Consult a qualified specialist workshop.
X
The fuel filler flap is not unlocked.
Unlock the vehicle (
X
The key battery is weak or discharged.
Unlock the vehicle using the emergency key element (
X
The fuel filler flap is unlocked, but the opening mechanism is jammed.
Consult a qualified specialist workshop.
X
page 82).
Y
On vehicles with a 8.5 l AdBlue
®
up AdBlue is not part of the maintenance work.
Under normal operating conditions, a full tank of
®
AdBlue should last until the next service due
date.
When the supply of AdBlue
imately 3.0 l, the Refill AdBlue See Refill AdBlue See
page 133).
Y
page 83).
Y
®
tank, topping
®
is down to approx-