SL-Class (R230) 2003 -- 2012: Discussion on the SL500, SL550, SL600

SL/R230: SL500 performance parts

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Old 03-18-2011, 08:21 PM
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SL500
SL500 performance parts

My sl500 is bone stock right now is there anything i can gain some HP? i deleted secondary cats and get K&N filter. Is there any ecu and pulley?
Old 03-18-2011, 10:40 PM
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'03 SL55
Lightweight wheels will make a big difference. Ditto for lightweight rotors. Not sure about engine mods. PTE cams, maybe?
Old 03-18-2011, 11:11 PM
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im running on oem SL63 wheels now
Old 03-20-2011, 09:53 PM
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Originally Posted by henrykwan90
im running on oem SL63 wheels now
What are the weights on the 63 wheels? They are probably quite heavy. The unsprung weight is going to make difference. As far as the engine you will be limited in increasing performance. Different pulleys, different exhaust, etc. Are going to give you minimal increases. Remember you are moving a heavy car and you are limited.
Not to be a smart a.. Buy an SL 55.

Last edited by lkirchner; 03-20-2011 at 09:56 PM.
Old 03-20-2011, 11:23 PM
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SL500
i didnt get the SL55 because i like NA engine, not a fan of Komp/turbo
Old 03-21-2011, 12:06 AM
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07 S550 & 05 SL55
yea like lkirchner said

any of the amgs will have tons better performance

but realistically there is not alot of options to make it faster

lighter wheels will help with rotating mass

check out some of the forum vendors i know that some make an exhaust system which will definitely open up a few horsepower

also search the forum theres a way to get throttle response back. the sl will learn your driving style and as u drive it normally it decreases throttle response to help with overall smoothness and fuel economy.

other than that the 500 isnt know to be a rocket....sorry

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