I own a W164 and I'm wanting to add an amp to boost the lows on the factory hk system. Do you remember how that was done? I found a thread were you posted about adding a HiFonics amp to your vehicle back in 07. Thanks for any help you can kick my way

Geoff

Hi, you seem to know quite a bit about the stereos in these cars. I am oddly a cassette listener and I want to improve the sound in my E320 by adding a subwoofer and and a 4 channel and 1 channel amp for a sub in the trunk. Is this possible while keeping
the original headunit? Does it have 2 RCA jacks or some odd MB only amp hook up? I also am experiencing odd volume knob activity, does the knob come off and I can then spray contact cleaner in there, I don't want to break it off. Thanks in advance.

Jack

I have a 2000 s500. When I purchased the car the radio works fine. My system told me there was no cd changer. I located a broken cd changer in the trunk in the left hand fender well with a amplifier. The amplifier had a big plug with several wires attached and an orange fiber cable plugged into it and those worked. Then the MC 3198 cd changer also had a plug with 3 wires and a fiber optic cable plugged into it. However, the orange fiber optic cable(see piture below) did not go anywhere. It was just a loop that went back into itself and has a tag on it that said tele. The other oranger fiber cable that plugs into the amp goes into a wire harness. I purchased another MC3198 and plug in the power cable and the orange fiber cable that was just a loop. The system does not recognise the cd changer. I then took the orange fiber cable plugged into the amp and plugged it into the new cd changer and the system recognised the cd player, however there was no sound comingfrom the speakers niether from the cd, radio. When I plug the fiber cable back into the amp I get sound out of the speakers for the radio only. It then says there is NO CD CHANGER on the command screen. I have searched the trunk for another orange fiber cable to plug into the cd changer but none to be found. Please help.