Major Differences
the 500 will have a V8, just make sure the sticker under the hood sais 5.0 and not 4.2. the 500 will have power and heated rear seats and most likely 2 tone leather seats, theis options ware not available on the 320 as far as i know. as far as the value, not sure prices here in Canada are different then the USA. I hope that helps, maybe some of the other guys have more input.
I can only say that you will enjoy the W140,but make sure you are prepaird to pay the price at the pump,Fuel consumption is significantly more.
As for gas prices, forget it, if this car is for daily use, it will choke you soon. It is best used as a a weekend cruiser, unless your company pays for gas it just hurts to pay $75-80 for a tank at $3.00 a gallon.
Otetrwsie this will be one of the best cars you will ever own, 99-up S class doesnt even come close to this in class or quality. I drove one and have friends who have one.





