R170 & R171 chassisany transmission
X204 R172 chassisany transmission
Sprint Booster V3
You’ll love the way your Mercedes SLK Class performs with the new and improved Sprint Booster V3!After an easy, 10 minute. plug-n-play installation, you'll instantly know why Sprint Booster is the number one, performance add-on. Go from idle-to-full-throttle is a mili-second with no more throttle lag and increased pedal acceleration (whether you're at a dead stop or highway driving.) Make Driving Fun Again!