keys - Mercedes-Benz Forum

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post #1 of 3 (permalink) Old 05-25-2017, 04:58 AM Thread Starter
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hello, am new to this thread, i need help.
sometime ago a family friend broke the key to my mothers A160 in the ignition switch, we had a new key cut and programmed by a key specialist hoping it ll work, but no luck, we then went to a scrap yard,got a used ecu and key locks with its key from a scrapped benz, still didnt work,,all it does from both tries is turn the dash on, but doesnt start the car, do we need to buy a new key from MB dealers? or what can i do? please help with solutions, thanks
P.S i live in africa
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post #2 of 3 (permalink) Old 05-29-2017, 01:38 PM
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New keys can only be obtained from MB dealers and automotive locksmiths authorized to order keys directly from MB.
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post #3 of 3 (permalink) Old 06-19-2017, 08:56 AM
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Vehicle: A Class W168 2000 A170 CDI
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The transponder on these Mercedes keys are what is called "rolling code" type.
Every time the ECU and key transponder communicate a new code is generated and comes into play.
As a result it renders the copies useless. Well I have a copy but just to open the door in an emergency. It surely don't do nothing in the ignition as you probably already notice.
So authorized dealer is the answer. ;-)
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