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Q:

Command Control Module on 2001 Mercedes-Benz C240

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Replace or Fix this Module. How much? (Drains out battery overnight even a brand new battery)
Thank you.
(2) Answers
There is a front and rear CC module on the Mercedes that I have done. The rear is about $450 and the front , like $800. Then you have to have Mercedes program it which is about $200 plus the hour or so of labor to replace the modules and the towing fee to have the car towed to the Mercedes Dealer, if they do not do the replacement.
I find that Mercedes are pretty costly to maintain.
Are you sure that the CCM has the parasitic load? How many amps does it draws? On those the seat control module goes bad all the times, they won't go to sleep mode and draws the battery.

Zee