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Kleeman Stage 1

4318 Views 10 Replies 5 Participants Last post by  AMG!
Does anyone out there have any experience with the Kleeman Stage 1 conversion on the W211?
This, as I understand it is the ECU and pulley, and also removes the Vmax Limiter.
If you have installed this performance upgrade I would be interested in your experiences.
I have heard a lot about Renntech, but very little about the Kleeman version.
I await responses with interest.
1 - 3 of 11 Posts
What do these mods do to your factory warranty?

Is it done after this?
Are you saying have the aftermarket parts installed by the dealer?

As in new pulleys and intake? that sort of thing.
1 - 3 of 11 Posts
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