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Key fob program

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Old Dec 19, 2017 | 02:54 PM
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MAD52450
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2008 clk 350
Key fob program
Can anyone tell me how to program my key fob after replacing the batteries? this is a 2008 350 clk.
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Old Dec 19, 2017 | 07:18 PM
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Yidney
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2008 CLK550 Cab
Doesn't need any programming. You must have another issue. What is it not doing?
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Old Dec 19, 2017 | 11:06 PM
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John Choi
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2003 CL55AMG
Take it to dealer if its still not working with new batteries. Its a dealer only fix unless you are willing to take a chance with non dealer EIS service/repair shops.
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Old Dec 20, 2017 | 08:50 PM
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First of all, I assume that the fob won't lock/unlock the car, but the key still works in the ignition? If the key does not operate the ignition, it's not a batteries - the fob battery are not used for the ignition function, only remote locking. So, if remote locking is not working, check that the red LED on the fob illuminates when you press the buttons. If not, make sure the batteries are working and inserted properly.
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