I would like to know on which sockets is made the 12V powering of the CIS module.

Permanent, Key On Engine On, or any else combinaton.

thanks for help

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My car: E-class 420CDI, 2008, W211, V8, 180 000km

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Son's one: GLK class 220CDI, 2009, W204

Sold E class 260E, W124, 1988 beloved car sold after 489 000 kilometres of reliable services (engine M103, clutch and 5 speed manual gear box all original).

E-class, W210 320CDI, 2000[/B], 225 000km, Sold

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Thanks M.B.DOC for the prompt reply.

Is it the only power?
Is it permanent 12V?

Is any power coming from the ignition switch directly or indirectly (via Fuel pump relay or OVP)?

__________________
Keep us posted especially if your problem is solved
Present cars:
My car: E-class 420CDI, 2008, W211, V8, 180 000km

Wife's one: C-class 220CDI Sport Coupé, Euro, 2002, W203. 345 000km

Son's one: GLK class 220CDI, 2009, W204

Sold E class 260E, W124, 1988 beloved car sold after 489 000 kilometres of reliable services (engine M103, clutch and 5 speed manual gear box all original).

E-class, W210 320CDI, 2000[/B], 225 000km, Sold