420sel speed enhance? - Mercedes-Benz Forum

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post #1 of 2 (permalink) Old 06-29-2004, 08:23 PM Thread Starter
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Date registered: Jun 2004
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420sel speed enhance?

Hey everybody,
I am looking to buy an 87-91 420sel, and I'm trying to find out all I can on mercedes, more specifically the 420sel. my friend tells me nothing can be done to increase speed like addition of a turbo or supercharger, because there isn't really an aftermarket for the mercedes. Is this true? Or is there a way, be it by turbo/supercharge or some other means to increase the speed/horsepower of the 420sel, or any of the S-type for that matter?

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post #2 of 2 (permalink) Old 06-29-2004, 09:06 PM
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Vehicle: 1986 420SEL
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RE: 420sel speed enhance?

I am a new owner also. So far I have found that you can get performance gains in several ways. First, your car will start in 2nd gear, not first, making accelleration from a stop a little slow. There is a simple module to "fix" this at bergwerks.com where they have lots of cool stuff for the 420. Also, you can put on high flow catalytic converters and a K&N air filter to get a little more power. At Superchips.co.uk they can put a performance chip on that makes about 30 HP. I imagine you can get a supercharger. A good performance shop can supercharge about anything. I'm doing quite a bit of enhancement to mine. If you find anything cool please let me know! Thanks!
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