Reducing the energy consumption of the key
If you do not intend to use the vehicle for an extended period of time, you can deactivate the following functions on the key.
KEYLESS-GO starting function
KEYLESS-GO
To deactivate:
press the 
button on the key twice in rapid succession. The battery check lamp of the key flashes twice briefly and lights up once.
To activate:
press any button on the key. When the vehicle is started with the key in the stowage compartment of the centre console More, the key functions are automatically activated.
Activating/deactivating caller ID transmission on the telephone module
If the setting is active, the person you call can see your phone number.
Activating/deactivating caller ID transmission
Number | Function |
00031 | Activates caller ID transmission |
00030 | Deactivates caller ID transmission |
Activating/deactivating network provider restriction on the telephone module
When network provider restriction is activated, the module will not log into foreign networks. When abroad, telephone calls cannot be conducted and text messages cannot be received or sent.
Activating/deactivating network provider restriction
Number | Function |
00071 | Activates network provider restriction |
00070 | Deactivates network provider restriction |
Activating/deactivating text message transfer on the telephone module
If the mobile phone supports the Bluetooth® MAP (Message Access Profile) profile, the module will download text messages from the phone's memory. The text messages are then transferred to the multimedia system.
Activating/deactivating text message transfer
Number | Function |
00081 | Activates text message download |
00080 | Deactivates text message download |
Overview of the Mercedes-Benz emergency call system
The Mercedes-Benz emergency call system can help to decisively reduce the time between an accident and the arrival of emergency services at the site of the accident. It helps locate an accident site in places that are difficult to access.
The emergency call can be made automatically More or manually . Only make emergency calls if you or others are in need of rescue. Do not make an emergency call in the event of a breakdown or a similar situation.
Messages in the multimedia system display:
SOS READY: emergency call available
SOS NOT READY: the ignition is not on or there is a malfunction with the emergency call system.
During an active emergency call, 
appears in the display.
You can find more information on the regional availability of the Mercedes-Benz emergency call system at: Mercedes-Benz emergency call system
If an emergency call is unavailable, a message to this effect also appears in the multifunction display of the instrument cluster.