headunit headache. - Mercedes Benz SLK Forum

General Modifications R170 Details that make your car different

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#1 Old 10-18-2015
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headunit headache.

The radio/cd head unit was recently replaced ( before i purchased the car). The rear speakers are fine and the 2 tweeters in the door work, but there is no sound at all from the lower door speakers.Or on the 1998 were they not fitted.I have had the head unit out and the wiring appears to be correct,from the new Pioneer DEH4700bt.I have not investigated if the amp was changed but am assuming it was not as the speaker cables from car to head unit are 2 pairs going into the radio which has 4 pairs.Also there is no rear to front fade, and the left to right balance makes not much difference.
I am now trying to decide if i need to fit speakers to the bottom of the doors and then re wire into the head unit by passing or changing the original amp.
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