Who knows anything about making the m103 300E's and 300CE's faster?
Engine swaps and turbo kits are out of question.

 

Open Element Filter, nitrous, lighter rim/thinner tire combo, strip out the interior, replace body panels with carbon fiber, use the highest octane fuel, and I think thats it.

 

Oh, and also switch to first gear start, which is suppose to help. The car is fast enough to me, just not quick enough off the line.

 

In my opinion most exhaust are overated as they make your car sound like somthing they aren't and barely do a thing.

 

routine maintenance - clean filters, fresh plugs/wires, alignment, proper tire pressure.

 

get another car to push you? :p
In all seriousness, you sorta knocked out the only two methods of appreciating any HUGE gains. My friend reccomended port/polish and increased bore/stroke but Im not sure about that.

 

lower (higher numercaily) rear end ratio. quicker acceleration. worse fuel economy and revs at cruising speed.

thats about it. these engines come pretty much optimised from the factory.

 

anyone ever try supercharging a benz? i always hear about turbos but never the supercharger, altho it is less energy efficient(i mean the supercharger)

 

Supercharger kits usually cost more that a turbo kit and I assume you already have an idea of the price of those. The generic turbo kits are about $4k alone, so.......

But it would make quite a bit of sense to go for a supercharger cause our cars are so heavy.