Problems with fuel and the fuel tank
| Problem | Possible causes/consequences and
Solutions |
| 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:
Locking the vehicle
If the vehicle can no longer be locked with the
SmartKey, you can lock it by taking the
following steps.
► Close the front-passenger door, the
rear
door on the front-passenger side and the ...
Important safety notes
The coolant is a mixture of water and
antifreeze/corrosion inhibitor. It performs
the following tasks:
• corrosion protection
• antifreeze protection
• raising the boiling point
The engine coo ...
Additives in gasoline
One of the main problems of poor fuel quality
is the forming of deposits that are created
during the gasoline combustion process.
Mercedes-Benz recommends that you use
fuel brands that have the ...

Solutions