Convenient power take off point inside cabin.

[rapiscan]

Hi I need to permanently wire in my new speed trap detector which will be sat on top of the central dash area on my 2009 W221 S320cdi,above the comand screen obviously I only want it powered on with the ignition. Is, there a convenient point (fuse box) that doesn't involve dismantling half the cars, interior? Many thanks.

 

[Srdl]

Do you have a 12v socket in your glove box by any chance?

 

[sonic]

Do you have a 12v socket in your glove box by any chance?

Or heater fan switch?

 

[mioba]

Just observe the speed limit.

Does your comand not tell you the speed limit vis a vis your current speed.