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International Automotive Technicians Network
Re: Mercedes Ignition key will not turn DAS 3 system
Posted to Technical Discussion Forum on 1/14/2019

Hello all,

The fix for this Mercedes was the front SAM module. After installing and coding the module the key worked correctly and the vehicle started and ran. The old SAM module had been internally corroded and kept circuit 15 on all the time. Login to read more.