First, I thanks alot for any help.
I just bought ES 300 '92, but Audio system did not work. Audio system is powered up well, I can switch to Radio & Tape that is no problem. However, It did not have any sound, not even any noise. I thought that I need to get A CODE to open audio system???? I also see Key icon in front of audio system, but LED was not On. I do not think speakers have problem, because it has 8 speakers. If those speakers went bad, It still has some noise..... Once again, I thanks alot for any helps.
Best regard,
TN.

 

the amplifier under the passenger seat is not working most probably. they get damaged by water if window left down or someone spills a drink down the side of the passenger seat. used they go for 125.00 or 500.00 for new at the dealer.