Open and close automatically from outside
Automatic trunk functions on the Mercedes E-Class (4th gen. W212, 2009–2016) make loading easier and safer. This article provides tips on correct operation and shows how to avoid everyday trip hazards.
Important Safety Notes
For United Kingdom only:
WARNINGIf 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:
WARNINGWhen the trunk lid/tailgate closes automatically, body parts can be pinched. People may also be within the closing area or enter it during the closing process, e.g. children. Risk of injury!
During the closing process, make sure that no one is near the closing area.
Use one of the following options to stop the closing process:- Press the button
on the key. - Pull or press the remote control button on the driver's door.
- Press the close or lock button on the trunk lid/tailgate.
- Pull the handle of the trunk lid/tailgate.
NOTE
The trunk lid/tailgate swings up and back when opened. Therefore make sure there is enough space behind and above the trunk lid/tailgate.
Info
Opening dimensions of the trunk lid/tailgate.
Open
You can open the trunk lid/tailgate automatically with the key or with the handle in the trunk lid/tailgate.
Press the buttonor
With the trunk lid/tailgate unlocked, pull the handle of the trunk lid/tailgate and release it immediately.
Locking

Close and lock button (sedan example)
Sedan: On vehicles with remote trunk lid closing, you can close the trunk lid automatically. On vehicles with remote trunk lid closing and KEYLESS-GO, you can close the trunk lid and lock the vehicle at the same time.
T-model: On vehicles with KEYLESS-GO, you can close the tailgate and lock the vehicle at the same time.
Close trunk lid/tailgate and lock vehicle at the same time:
Press the lock button
in the trunk lid/tailgate. The key must be behind the vehicle within the KEYLESS-GO detection range.
When all doors are closed, the vehicle locks automatically.
Info
If a KEYLESS-GO key is detected only in the trunk/cargo area, the trunk lid/tailgate opens again after closing.
If a second key is detected outside the vehicle, the trunk lid/tailgate remains closed.
With the automatic opening and closing systems for the trunk, the Mercedes E-Class W212 (model years 2009–2016) sets standards in comfort. Thanks to modern technology, a button press or a pull on the handle is enough to operate the trunk conveniently.
These systems not only provide convenience but also increase safety through integrated protection functions during closing.
Question: How is the automatic closing process of the trunk stopped?
Answer: By pressing a button on the key, pulling the handle, or using the driver's door remote control button.
Question: Which safety instructions apply to automatic closing?
Answer: Make sure that no one is within the closing area to avoid injuries.
Test yourself
A quick Mercedes-Benz E-Class quiz: every answer comes with an explanation and a link to the manual page.