If the vehicle can no longer be unlocked with the SmartKey, use the mechanical key.
If you use the mechanical key to unlock and open the driver's door, the anti-theft alarm system will be triggered .
■ Take the mechanical key out of the SmartKey .
■ Insert the mechanical key into the lock of the driver's door as far as it will go.

1 To unlock X Turn the mechanical key counter-clockwise to position 1.
The door is unlocked.
■ Turn the mechanical key back and remove it.
■ Insert the mechanical key into the SmartKey.
Important safety notes
WARNING
Functions relevant to safety are restricted or
no longer available if:
• the engine is not running.
• the brake system or the power steering is
malfunctioning.
• there is a malfunction i ...
Useful information
This Operator's Manual describes all
models and all standard and optional
equipment of your vehicle available at the
time of publication of the Operator's
Manual. Country-specific differences are
...
Service products and capacities
Important safety notes
Service products include the following:
- fuels (e.g. gasoline, diesel)
- additives for exhaust gas aftertreatment (DEF)
- lubricants (e.g. engine oil, transmission oil)
- ...