Doors. Important safety notes. Unlocking and opening doors from inside. Central locking and unlocking from inside. Automatic locking

Whether in city traffic or on longer journeys, the door systems of the Mercedes E-Class (4th generation W212, 2009–2016) offer more than just comfort. This article explains how central locking, child safety locks and automatic functions provide additional safety.

Important Safety Notes

For United Kingdom only:

WARNING

If the additional door lock is activated, the doors cannot be opened from the inside. If people are inside the vehicle, they cannot get out, e.g. in an emergency. Risk of injury!

Never leave people, especially children, older people or people requiring assistance, unattended in the vehicle. Do not activate the additional door lock when people are inside the vehicle.

When the vehicle is locked from the outside, the additional door lock is activated by default. The doors then cannot be opened from the inside. You can deactivate the additional door lock by deactivating the interior protection . The doors can then be opened from the inside after the vehicle has been locked from the outside.

Opening the doors from the inside triggers the anti-theft alarm system. Switch off alarm .

For all countries:

WARNING

If you leave children unattended in the vehicle, they can

• open the doors and thereby endanger other persons or road users
• get out and be hit by traffic
• operate vehicle equipment and, for example, trap themselves.

In addition, children can set the vehicle in motion, e.g. by

• releasing the parking brake
• shifting the automatic transmission out of the P (Park) position or shifting the manual transmission into neutral
• starting the engine.

There is a risk of accident and injury!

Always take the key with you when leaving the vehicle and lock the vehicle. Never leave children or animals unattended in the vehicle. Keep the key out of reach of children.

Preferably stow luggage or cargo in the trunk/cargo area. Observe the loading guidelines.

Unlocking and opening doors from inside

For all countries except the United Kingdom: You can also open a locked door from the inside.

If the vehicle was locked from outside, opening a door from the inside triggers the intrusion alarm. Stop the alarm.

United Kingdom only: If the vehicle was locked from outside, the additional door security function is activated by default. The doors then cannot be opened from the inside. You can deactivate the additional door security function by deactivating the interior protection. The doors can then be opened from the inside after the vehicle has been locked from outside. Opening a door from the inside triggers the intrusion alarm. Stop the alarm.

For all countries: The rear doors can only be opened from the inside if they are not secured by the child safety lock.

At the door handlepull.

When a door is locked, the locking pinmoves up. The door is unlocked and can be opened.

Central locking and unlocking from inside

You can lock or unlock the entire vehicle from inside.

To unlock: Press the buttonpress.

To lock: Press the buttonpress.

When all doors are closed, the vehicle locks automatically.

The fuel filler flap is not locked or unlocked in the process.

If you have locked the vehicle from outside, it cannot be unlocked centrally from inside.

For all countries except the United Kingdom: You can also open a locked door from the inside.

United Kingdom only: You can only open a locked door from the inside if the additional door security function is deactivated. You can deactivate the additional door security function by deactivating the interior protection.

For all countries: The rear doors can only be opened from the inside if they are not secured by the child safety lock.

If a locked door is opened from inside, the previous unlocking is taken into account when

• with the lock button for the central locking or
• was locked automatically.

If the vehicle was previously completely unlocked, the entire vehicle is unlocked. If only the driver's door was previously unlocked, only the door that is opened from inside is unlocked.

Automatic locking

To switch off: Press and hold the button for about five secondsuntil a signal tone sounds.

To switch on: Press and hold the button for about five secondsuntil a signal tone sounds.

Info

If you press one of the two buttons and no signal tone sounds, the setting in question has already been selected.

When the ignition is switched on and the wheels are turning, the vehicle locks automatically.

You may lock yourself out if

• the vehicle is being pushed
• the vehicle is being towed
• the vehicle is on a dynamometer.

You can also switch the automatic locking on and off using the on-board computer.

The door systems of the Mercedes E-Class W212 (model years 2009–2016) combine safety and comfort. Features such as central locking from the inside or automatic door locking when driving off protect the driver and passengers optimally.

Thanks to intelligent solutions, such as the option to deactivate the additional door safeguard, a high level of safety is ensured even in special situations.

Question: When is the additional door safeguard particularly important?

Answer: It protects against unauthorized opening of the doors from the inside, for example during attempted theft.

Question: How can the automatic door locking be deactivated?

Answer: By pressing and holding the unlock button until a warning tone sounds, or via the on-board computer.