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On the dyno: Mercedes CLS (C257) 450

Chiptuning Mercedes CLS

With the latest generation of assistance systems and sporty-calm, the Mercedes CLS (C257) 450 was tested at CPA. As standard, the Stuttgarter has 367 hp and 500 Nm. After our tests and successfully developed software to increase the power with our PowerBox, a performance increase of up to 84 hp and 113 NM can be achieved. In combination with our PedalBox you get an even sportier driving feeling. With the ConnectiveSystem, the different power levels of the PowerBox can be easily controlled with the PedalBox from the interior. Discover new power for your car with chiptuning from CPA Performance.

performance diagram Mercedes CLS (C257) 450
24.06.2019

Mercedes : Further testing

08.01.2019
  • Mercedes-AMG GT (C190) AMG GT

The numbers speak for themselves: up to 91 HP and 119 NM extra power for the Mercedes-Benz AMG GT. Made possible by the specific software of the CPA PowerBox. See for yourself.

03.05.2018
  • Mercedes GLC (X253) GLC350 d 4MATIC

Experience an even more sporty driving pleasure in your GLC. Thanks to the CPA PowerBox the power can be increased up to 329 HP, the CPA Connective Stremm is a novelty which improves the throttle response.

20.08.2018
  • Mercedes E-Class (W213) E350d

The individual chip tuning of the CPA PowerBox provides a clear performance boost in the E class, with up to 329 hp and 786 NM at the press of a button. Order today and see for yourself.

29.10.2020
  • Mercedes-AMG GT (C190) AMG GT C

With the ConnectiveSystem from CPA you have a combination of PowerBox and PedalBox, which makes it possible to easily select the power levels from the interior using the PedalBox. Pedal tuning and engine tuning combined with engine-specific software.

25.09.2015
  • Mercedes E-Class (W212) E400

Convincing performance upgrade for the Mercedes E400 with the PowerBox of CPA. Amazing power increase could be achieved in test and at the dyno for the Mercedes E400.

04.10.2014
  • Mercedes A-Class (W176) A200

CPA Chiptuning is testing and developing software and PowerBoxes for the Mercedes A 200.

Our car tests

(6) Discount applies to all products offered on our site except PowerBox Pro and PedalBox. The promotion ends as soon as the intended quota of products has been used up.

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