The 3.0L turbocharged engine, found in the Mercedes series C400, C43 AMG, C450 AMG, CLS400, E400, E43 AMG, GL450, GLC43 AMG, GLE400, GLE43 AMG, GLE450 AMG, GLE550E, GLS450, ML400, S550E, SL400, SL450, SLC43 AMG vehicles, offers solid performance for daily driving. However, one downside with this design is the turbo lag often experienced in the lower rpm range. Sawyertuning has released a solution to specifically address the turbo lag issue with the 3.0L turbocharged engine, the ST9PRO Performance Tuner.

The ST9PRO module is plug and play and installs in minutes. It delivers instant gains and safely increases boost values, removing turbo lag and delivering faster throttle response and power. The ST9PRO is stackable with other Sawyertuning products and OBD tuners, so it can be combined with other programmers and tunes to deliver even higher gains. The ST9 tuner is available for most 2015-2017 years of the C400, C43 AMG, C450 AMG, CLS400, E400, E43 AMG, GL450, GLC43 AMG, GLE400, GLE43 AMG, GLE450 AMG, GLE550E, GLS450, ML400, S550E, SL400, SL450, SLC43 AMG series with the 3.0L turbocharged engine. Each tuner is custom programmed for one specific year and engine, assuring you will safely achieve top performance. The tuner works with all fuel grades, but best results will be realized with premium or higher octane fuels. The ST9 connects in minutes to the boost sensor on the front of the engine.

For more information, visit the Sawyertuning product page:

Sawyer Tuning Mercedes Benz Products