Originally Posted by ror0
In case anyone is interested, Renntech doesn't "make a chip" for the Crossfire, they modify the original M-B chip already there. When mine was done, the Renntech Tech had actual M-B software in German on his laptop computer. (He was from Germany.) He coordinated the upgrade with a live M-B technician in Germany during the overwrite process. Since M-B assists in the upgrade, it is completely safe. These are the chip changes that are made:
1. Faster throttle response.
2. Increase of 10 - 15 HP from 215 BHP @ 5700 RPM to 225 - 230 BHP @ 5700 RPM.
3. Gain of 12 Lbs.-Ft. Torque from 229 lbs.-ft @ 3,000 -4,600 RPM to 241 lbs.-ft. @ 3,000 - 4,500 RPM.
4. Gain of 300 RPM over the Red Line.
5. Raises the electronically controlled top speed limiter from 158 MPH to over 186 MPH.
6. Increases the shifting RPM in first and second gears by 100 RPM and makes shifting throughout the gears smoother (with Autostick).
My Limited Roadster now runs like a dream and is very peppy! (I also added K & N Air Filters.)
Thats awesome. See guys, thats what I'm talking about! He actually had Mercedes Benz assist in the upgrade! Definately worth an extra $600 to have that safety net beneath you. Who knows what Upsolute does? Maybe everything is fine with their chips, but maybe it's not. I'm not taking that risk!