A Mercedes-Benz CLS 350 CDI 258hp (C218 – 2014 – 2018) makes about 290 hp and 690 Nm with Stage 1 software, compared with 258 hp and 620 Nm from the factory. That is 32 hp and 70 Nm extra.

This is a diesel engine with a displacement of 2,987 cc and engine code OM642 LS DE 30 LA. The engine is controlled by the Bosch EDC17CP57 and Bosch EDC17CP46. The software file can be written with tools such as Alientech KESS3, Alientech KESSv2, Autotuner, ByteShooter Toolbox, CMD CMDFlash and 5 more.

Besides Stage 1, the following options are available for this vehicle: Adblue, EGR OFF, DTC Removal, START/STOP OFF, FLAPS, Pop & Bang Crackle map, DPF OFF and Vmax.

Frequently asked questions

How much power and torque does a Mercedes-Benz CLS 350 CDI 258hp gain with Stage 1?

About 32 hp and 70 Nm: from 258 hp / 620 Nm to roughly 290 hp / 690 Nm. The exact gain depends on engine condition and fuel quality.

Which ECU does a Mercedes-Benz CLS 350 CDI 258hp use?

Bosch EDC17CP57 and Bosch EDC17CP46.

Which tools can read a Mercedes-Benz CLS 350 CDI 258hp?

Alientech KESS3, Alientech KESSv2, Autotuner, ByteShooter Toolbox, CMD CMDFlash, MagicMotorsport Flex, Foxflash, Dimsport New Genius, Dimsport New Trasdata and PCM-Flash.

Which extra options are available for a Mercedes-Benz CLS 350 CDI 258hp?

Adblue, EGR OFF, DTC Removal, START/STOP OFF, FLAPS, Pop & Bang Crackle map, DPF OFF and Vmax.

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