Mercedes CLA45 2014 Stage:Stage 2 If you ship it via

If you ship it via Overnight

Tuning for specific octane

All the instructions are in the box

Stage 2 and above requires that you gap your spark plugs to

DME Tuning Provides:

Mercedes CLA45 2014 Stage:Stage 2 If you ship it viaExpertly calibrated and meticulously refined, DME Tunings ECU software is guaranteed to give you MORE of a good thing. More horsepower, more torque, and a more exhilarating driving experience by delivering usable power through improved throttle response and torque management. With additional ft. lbs. of torque through the mid range, acceleration out of your favorite corner and onto the straight is noticeably quicker throughout the rev range. DME