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
Gasoline is highly flammable and poisonous.
It burns violently and can cause serious
personal injury.
Never allow sparks, flames or smoking
materials near gasoline.
Turn off the en ...
Service and literature
Your vehicle is covered under the terms of the
warranties printed in the Service and
Warranty Information booklet. Your
authorized Mercedes-Benz Center will
exchange or repair any defective parts
...
115 V socket
WARNING
The 115 V AC power socket operates on high
voltage. Use the 115 V AC power socket in
the vehicle with the same caution and care
that you would take with power sockets at
home. Keep fluids ...