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2009 S550 Designo
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Discussion Starter · #1 ·
Wow! I installed the Kleemann ECU and TCU upgrade yesterday afternoon in my '04 SL600. In the few miles I've driven the car, it is amazing how much different it pulls.
I used the iPhone Dynolicious application to test the car prior to the upgrade which basically confirmed about 495hp with 0-60 in 4.7 seconds.
The streets are wet again but I'll give another run when it dries out and post the results.
I do know that the car will have a hook-up problem now that it is chipped.:thumbsup:
 
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