We have just finished custom tuning this immaculate C63S at CV Performance. This car was manufactured in 2017. The only modifications were Hi-Tech Mufflers custom downpipes and Etuners custom tune. The 4.0 biturbo picked up an incredible 95 kW at the rear wheels! Upgrade specifications 98RON fuel Upgraded downpipes Etuners custom stage2 ECU remap Performance
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As delivered, this E63 5.5T biturbo made a best of 323kw at the wheels. After the installation of upgraded downpipes and Etuners custom calibration power increased to 422kw at the wheels.  A 100kw gain throughout the entire rev range! Upgrade specifications 98RON fuel Upgraded downpipes Etuners stage2 custom ECU remap Performance results Maximum wheel horsepower:
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The manufacturer reports the 5.5L as having 395kw at the flywheel and a 0-100km/h time of 4.3s. As delivered with the addition of custom downpipes we performed a base Dyno run of 277kw at the wheels. After custom tuning power rose to a very impressive 426kw at the wheels. Thats a 149kw gain at the
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Mercedes 2017 S63 in at CV Performance after receiving Hitech downpipes and Etuners custom ecu calibration for a Stage2 ECU remap. Mercedes quotes the S63 as having 435kw at the engine. With a custom tune and downpipes only the Mercedes showed 423kw at the wheels – a gain of 100kw at the wheels, in all
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Mercedes A250 2.0T – Stage1 98RON

Mercedes A250 4 Matic with a Hitech cat back exhaust. As delivered, the A250 produced at 114kw at the wheels. A standard car will generally show 107-110kw on CV Performance DynoDynamics Rolling road Dyno. With a custom tune power rose to approx 140kw, with the addition of a catless downpipe, peak power jumps to approx
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CLA45 AMG Hybrid turbo on dyno with an Etuners custom ECU remap
When the stock turbo reaches its maximum flow limit on a tuned CLA45 AMG, the next step is to get a hybrid. Bigger and more efficient compressor wheels produce more power, specially at mid to high rpm. This car was an example of such a turbo that can produce excellent results. Fantastic gains made with

Mercedes C63 AMG 6.2 – Stage1 98RON

The Mercedes C63 AMG responds extremely well to a tune only. This pristine coupe now has an extra 60kw at the wheels! Reflashing the ECU was done via OBD2. Upgrade specifications 98RON fuel Etuners Stage 1 ECU remap Remap features 10% more power: Gains of 50-60hp just with the remap Torque limiters removed Improved throttle
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Mercedes A250 2.0T – Stage 2 98RON

Like any A series Mercedes, the A250 is a very tunable car. The power and torque increase through the remap bring the car to a new level of fun. Just look at the gains, with just an upgraded exhaust and an ECU remap. Upgrade specifications 98RON fuel Upgraded exhaust Etuners stage2 ECU remap Performance results
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Mercedes ML320 CDI – Stage 1

Fantastic results come from tuning the Mercedes ML320 CDI, Impressive torque and power gains make it much more driveable and improve performance by a lot compared to stock. Special precautions are taken to protect the transmission from excessive torque, by holding it under control in the mid-rpm range. Upgrade specifications Stage 1 ECU remap Performance
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Mercedes A45 AMG – Stage 1 98RON

This is the latest version of the Mercedes A45 AMG, which delivers 280kw flywheel power from the factory. As delivered to CV Performance, the A45 dynoed at 209kw at the wheels measured as 4wd. A rear muffler delete was performed along with a custom tune. Peak power rose to 246kw with as much as 60kw
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