From 272 hp to about 292 hp: the Mercedes-Benz CLS 350i 272hp (C219 – 2004 – 2010) becomes noticeably stronger and more responsive with Stage 1 software. Torque climbs from 350 Nm to about 375 Nm.

This is a petrol engine with a displacement of 3,498 cc and engine code M272.964. The engine is controlled by the Bosch ME9.7. The software file can be written with tools such as Alientech KESSv2, Autotuner, ByteShooter Toolbox, CMD CMDFlash and MagicMotorsport Flex.

Frequently asked questions

How much power and torque does a Mercedes-Benz CLS 350i 272hp gain with Stage 1?

About 20 hp and 25 Nm: from 272 hp / 350 Nm to roughly 292 hp / 375 Nm. The exact gain depends on engine condition and fuel quality.

Which ECU does a Mercedes-Benz CLS 350i 272hp use?

Bosch ME9.7.

Which tools can read a Mercedes-Benz CLS 350i 272hp?

Alientech KESSv2, Autotuner, ByteShooter Toolbox, CMD CMDFlash and MagicMotorsport Flex.

Figures are indicative and vehicle specific. Check the regulations that apply in your country before modifying engine software.