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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

14.04.2022
  • Mercedes A-Class (W177) A200d 4MATIC

You get the power increase of 39 hp and 96 Nm with the PowerBox Nitro from CPA. You can also purchase throttle pedal tuning or in combination with engine tuning here.

12.11.2018
  • Mercedes CLS (C257) 350 d

In the in-line six-cylinder of the Mercedes Benz CLS 350d slumbering still hidden potential, the engine-specific software of the CPA PowerBox awakens this extra power from her slumber. Up to 63 HP and 131 NM more power are possible.

27.10.2020
  • Mercedes SLS-Class (C197) SLS AMG

Different driving modes for the response of the throttle pedal for the Mercedes SLS AMG (C197). You can freely choose from Sport + to Eco II and thus adapt the throttle pedal to your driving style.

28.05.2019
  • Mercedes A-Class (W177) A220 4MATIC

Long-term test and specially developed software for a performance increase of up to 50 hp in the Mercedes A-Class. Test our PowerBox and convince yourself of the noticeable amazing extra power.

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.

15.04.2022
  • Mercedes A-Class (W177) A250 4MATIC

The increase in power with perfectly adapted software and hardware from CPA Chiptuning. Also available in combination with the PedalBox.

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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