Complaints about Standard audio
I have a good relationship with my dealer built up over nearly 15 years, so I email as soon as I'm not happy with something. I'm not happy with the sound system on the non-burmester equipped models. When I listened to the demo model without Burmeister it sounded ok. When I took delivery of mine I was really disappointed. No tweeters and the bass sounded muffled and muddy. Took it to an approved audio shop and they said that they could put in some tweeters but not much else without putting the warranty at risk. Then they said - why don't you "run them in" and they'll sound better. The dealer came back with the same advice. Well the good news is that they sound better already.

http://thestateofsound.net/2014/02/0...-new-speakers/
So how long have you run them in for? I have had my C class on the road for maybe 8 - 10 hours?
I am wondering if they start to sound better when your ears have got used to hearing a rubbish sound. Reminds me when I worked at a sewage works once. It smelt so bad when I arrived that it took my breath away. After a couple of hours I was eating my sandwiches there as I could not smell a thing.
The sound of speakers will in fact appear to change significantly to the listener as time goes on. This is a well documented phenomenon. But what breaks in is not the speaker but the listener. You will become accustomed to how this stereo sounds to you.
But both of my S205:s had standard audio and I'm pretty happy with the sound. And the last car I had was a BMW with H/K. Sure it was much better. But I still think its okey comparing to other manufacturers standard Audio. Much better then the 320 GT M-sport 2014 I had for a couple of months with not the entry level audio, but the 1 step up called Hi-Fi here in Sweden.
And off course it depends on what you listen to. I usually listen to Spotify at the highest quality, and I have adjusted the sound to be pretty good IMO.
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Re running the speakers in i am not convinced.....sorry and i am an audiophile with high end home equipment and a lot of exposure to live music but i do agree with the comment about the listners eyes "running in" ie getting used to the sound.......
I don't actually think the hardware is that much better on the upgraded system (I doubt I could tell the difference at highway speeds with all the background noise) it's just that the default EQ settings in the Command software seem optimized for the upgraded system rather than the base speakers.
The sound of speakers will in fact appear to change significantly to the listener as time goes on. This is a well documented phenomenon. But what breaks in is not the speaker but the listener. You will become accustomed to how this stereo sounds to you.
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