Storage and other
12 V sockets
In this manual: Storage and other
~1min read
Important preliminary notes
- Turn the key to position 1 in the ignition switch.
You can use the sockets to power accessories each with a power rating of no more than 180 W (15 A).
Accessories include, for example, lamps or chargers for mobile phones.
The battery can discharge if the engine is switched off and the sockets are used for a long time.
An emergency cut-off circuit ensures that the onboard voltage does not drop below a certain value.If the onboard voltage is too low, the power supply to the sockets is switched off automatically. This allows the battery to supply the power needed to start the engine.
Socket in the front centre console

Vehicles with a storage compartment with lid
- Opening: press the bottom of lid 1.
The storage compartment opens.
- Lift the socket cover 2.

Vehicles with a storage compartment without lid
- Lift the socket cover 1.
Socket in the rear centre console

Pull the top of cover 2 by the handle.
Lift the socket cover 1.
Socket in the luggage compartment

Lift the socket cover 1.
Test yourself
A quick Mercedes-Benz B-Class quiz: every answer comes with an explanation and a link to the manual page.
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