$1,699.00 Mercedes GLC43 AMG 2018+ Stage 1 Performance ECU Tune Note: Stage 2 is available at extra cost and is a catless application. Want to add even more Horsepower? Upgrade to Stage 2 ECU Tune. (Catless Application) Adds an approx. 30-40 additional Horsepower! Check the box below: Upgrade to Stage 2 + $399.00 Product price Additional options total: Order total: Mercedes GLC43 AMG 2018+ Stage 1 Performance ECU Tune quantity — OR — Add to cart Category: GLC43 Tags: benz, Dyno, ecu tune, glc43, mercedes, stage 1, stage 2, tune Description Description +60 Horsepower +70 Torque Performance ECU Tune for the Mercedes GLC43 AMG 2018+ Eliminate Top Speed Limiter Increased Throttle Response Optimized Fuel and Spark Optimized for 93 Octane Related products BMW 428i Stage 1 Performance ECU Tune (N20) $999.00 Select Options BMW 128i Stage 1 Performance ECU Tune $600.00 Select Options BMW 135i Stage 1+2 Performance ECU Tune (N55) $799.00 Select Options BMW M3 F80/F82 (2015-2016) Stage 2 575 Performance ECU Tune $2,599.00 Select Options