i have an 89 w126 300 se mercedes, the speakers are all shit and i wanna replace them all. i understand that they are 2 ohm speakers, and most speakers these days are 4 or 8 ohms. thats all i understand. halp? id be content with a list of things i need to buy

Just go to best buy, unless you're a audiophile and want crystal clear sound. I'm no acoustics engineer but I don't think running a 4 or 8 ohm speaker will have much of a effect on your car.