Mercedes-Benz

RennTech's toe link kit keeps the 2014-2021 GLA 45 AMG tracking straight under hard acceleration, braking and cornering. Aircraft-grade materials remove the slop of the factory links and allow fine toe and bump-steer adjustment.Features Removes slop from the factory toe links Fine toe and...

RennTech modifies the factory aluminum lower control arms for the 2014-2021 GLA 45 AMG to add camber adjustment, so lowered and track-prepared cars can be aligned properly and wear tires evenly.Features Adds camber adjustment Based on the factory aluminum arm Pairs well with the...

RennTech's Stage 1 Turbo Upgrade for the 2014-2021 GLA 45 AMG replaces the factory turbochargers with larger, lightweight billet-wheel units and pairs them with a matching RennTech calibration. It is one of the biggest power steps you can make on the 2.0L M133 turbo....

If you want more from the 2014-2021 GLA 45 AMG without touching the hardware, this RennTech ECU Upgrade is the cleanest way to get it. RennTech revises the factory calibration for the 2.0L M133 turbo, raising power and torque through the full band and...

RennTech's toe link kit keeps the 2015-2021 C 63 AMG tracking straight under hard acceleration, braking and cornering. Aircraft-grade materials remove the slop of the factory links and allow fine toe and bump-steer adjustment.Features Removes slop from the factory toe links Fine toe and...

RennTech's Sport Mufflers for the 2015-2021 C 63 AMG are hand made from T-304 stainless steel and tuned to remove cabin drone while giving the car a deeper, more serious voice. Less back pressure and better scavenging also free up power.Watch it explainedFeatures Tuned...

RennTech's Valved Sport Mufflers for the 2015-2021 C 63 AMG are hand made from T-304 stainless steel and tuned to remove cabin drone while giving the car a deeper, more serious voice. Less back pressure and better scavenging also free up power.Features Tuned to...

This RennTech Matte Carbon Decklid Spoiler adds a purposeful carbon detail to the 2015-2021 C 63 AMG. Each piece is laid up in pre-preg carbon fiber for consistent weave and strength and finished to sit naturally with factory AMG carbon trim.Features Pre-preg carbon fiber...

This RennTech Carbon Decklid Spoiler adds a purposeful carbon detail to the 2015-2021 C 63 AMG. Each piece is laid up in pre-preg carbon fiber for consistent weave and strength and finished to sit naturally with factory AMG carbon trim.Features Pre-preg carbon fiber for...

RennTech's Stage 2 Turbo Upgrade for the 2015-2021 C 63 AMG replaces the factory turbochargers with larger, lightweight billet-wheel units and pairs them with a matching RennTech calibration. It is one of the biggest power steps you can make on the 4.0L M177 twin-turbo...

RennTech's Stage 1 Turbo Upgrade for the 2015-2021 C 63 AMG replaces the factory turbochargers with larger, lightweight billet-wheel units and pairs them with a matching RennTech calibration. It is one of the biggest power steps you can make on the 4.0L M177 twin-turbo...

RennTech's Coilover Suspension for the 2015-2021 C 63 AMG lowers the car and tightens its handling while keeping a ride you can live with every day. Ride height is adjustable so you can set the stance and corner weights the way you want them.Features...

The RennTech R3 Performance Package for the 2015-2021 C 63 AMG combines parts that RennTech developed and tested together, so you get a matched setup rather than a pile of separate upgrades. RennTech rates the C 63 AMG at up to 767 hp and...

The RennTech R2 Performance Package for the 2015-2021 C 63 AMG combines parts that RennTech developed and tested together, so you get a matched setup rather than a pile of separate upgrades. RennTech rates the C 63 AMG at up to 709 hp and...

RennTech packages its most popular upgrades for the 2015-2021 C 63 AMG into one matched R1 Performance Package. Each part is calibrated to work with the others on the 4.0L M177 twin-turbo V8. It includes ECU, Sport Muffler and BOV Adapter. RennTech rates the...

RennTech's toe link kit keeps the 2015-2021 C 63 S AMG tracking straight under hard acceleration, braking and cornering. Aircraft-grade materials remove the slop of the factory links and allow fine toe and bump-steer adjustment.Features Removes slop from the factory toe links Fine toe...

RennTech's Sport Mufflers for the 2015-2021 C 63 S AMG are hand made from T-304 stainless steel and tuned to remove cabin drone while giving the car a deeper, more serious voice. Less back pressure and better scavenging also free up power.Watch it explainedFeatures...

This RennTech exhaust for the 2015-2021 C 63 S AMG is built from T-304 stainless steel, lighter than the factory parts, and voiced to sound rich outside without droning inside at cruise.Features Tuned to remove cabin drone Lighter than the factory exhaust Reduced back...

RennTech's Matte Carbon Decklid Spoiler for the 2015-2021 C 63 S AMG is made from pre-preg carbon fiber, the aerospace-grade process with tight control of resin content, weight and thickness. It is designed in-house to match the lines of the car and to fit...

RennTech's Carbon Decklid Spoiler for the 2015-2021 C 63 S AMG is made from pre-preg carbon fiber, the aerospace-grade process with tight control of resin content, weight and thickness. It is designed in-house to match the lines of the car and to fit without...

RennTech's Stage 2 Turbo Upgrade for the 2015-2021 C 63 S AMG replaces the factory turbochargers with larger, lightweight billet-wheel units and pairs them with a matching RennTech calibration. It is one of the biggest power steps you can make on the 4.0L M177...

RennTech's Stage 1 Turbo Upgrade for the 2015-2021 C 63 S AMG replaces the factory turbochargers with larger, lightweight billet-wheel units and pairs them with a matching RennTech calibration. It is one of the biggest power steps you can make on the 4.0L M177...

RennTech's Coilover Suspension for the 2015-2021 C 63 S AMG lowers the car and tightens its handling while keeping a ride you can live with every day. Ride height is adjustable so you can set the stance and corner weights the way you want...

The RennTech R3 Performance Package for the 2015-2021 C 63 S AMG combines parts that RennTech developed and tested together, so you get a matched setup rather than a pile of separate upgrades. RennTech rates the C 63 S AMG at up to 767...

The RennTech R2 Performance Package for the 2015-2021 C 63 S AMG combines parts that RennTech developed and tested together, so you get a matched setup rather than a pile of separate upgrades. RennTech rates the C 63 S AMG at up to 709...

RennTech packages its most popular upgrades for the 2015-2021 C 63 S AMG into one matched R1 Performance Package. Each part is calibrated to work with the others on the 4.0L M177 twin-turbo V8. It includes ECU, Sport Muffler and BOV Adapter. RennTech rates...

RennTech's Stage 1 Turbo Upgrade for the 2014-2019 CLA 45 AMG replaces the factory turbochargers with larger, lightweight billet-wheel units and pairs them with a matching RennTech calibration. It is one of the biggest power steps you can make on the 2.0L M133 turbo....

Cruising in the 2014-2019 CLA 45 AMG, the factory exhaust flaps never fully open. The RennTech EVM changes that with a simple remote: press button 1 for fully open valves at any speed, press button 2 to go back to the factory settings.Features Opens...

RennTech's toe link kit keeps the 2014-2019 CLA 45 AMG tracking straight under hard acceleration, braking and cornering. Aircraft-grade materials remove the slop of the factory links and allow fine toe and bump-steer adjustment.Features Removes slop from the factory toe links Fine toe and...

RennTech modifies the factory aluminum lower control arms for the 2014-2019 CLA 45 AMG to add camber adjustment, so lowered and track-prepared cars can be aligned properly and wear tires evenly.Features Adds camber adjustment Based on the factory aluminum arm Pairs well with the...