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Mercedes-Benz CLS
500 Bi-Turbo 407hp ( 407 PS / 299 kW ) — Tuning File

407 PS stock power · C218 - 2010 - 2014 (2010-2014) · Gasoline
Vehicle Data
BrandMercedes-Benz
ModelCLS
GenerationC218 - 2010 - 2014
Year2010-2014
FuelGasoline
Displacement4,663.0 L
Engine CodeM278 DE 46 AL red.
ECUBosch MED17.7.1, Bosch MED17.7.3
Stock Power407 PS
Stock Torque600 Nm
Tuning Potential
STAGE1
510 PS +103
Power
820 Nm +220
Torque
+103 PS
Gain
STAGE2
541 PS +134
Power
886 Nm +286
Torque
+134 PS
Gain
Available Options
Exhaust flaps open Lambda OFF Pop & Bang Start Stop OFF Vmax OFF
ECU Remap — Mercedes-Benz CLS 500 Bi-Turbo 407hp ( 407 PS / 299 kW )

The Mercedes-Benz CLS 500 Bi-Turbo 407hp ( 407 PS / 299 kW ) (Gasoline, 407 PS) can be tuned with a Stage 1 ECU remap to 510 PS — a gain of +103 PS without any hardware modifications. Our tuning files target the original ECU software and optimise parameters such as injection timing, boost pressure and fuel maps to unlock the full performance potential.

All tuning files at ecufiles.io are developed and tested by experienced engineers. The original ECU file is always preserved — the remap is 100% reversible at any time.

Frequently Asked Questions
What does an ECU remap do on the Mercedes-Benz CLS 500 Bi-Turbo 407hp ( 407 PS / 299 kW )?
An ECU remap (chiptuning) modifies the engine control unit software to optimise parameters like injection timing, turbo boost pressure and fuel delivery. On the 500 Bi-Turbo 407hp ( 407 PS / 299 kW ), this typically results in more power, better throttle response and improved fuel efficiency at part load.
How much power gain is possible with Stage 1 on the 500 Bi-Turbo 407hp ( 407 PS / 299 kW )?
Stage 1 brings the 500 Bi-Turbo 407hp ( 407 PS / 299 kW ) from 407 PS to 510 PS — a gain of +103 PS. No hardware modifications are required, making it the most popular and cost-effective tuning option.
Is chiptuning reversible on the Mercedes-Benz CLS?
Yes. We always save the original ECU file before applying any remap. The tuning can be fully reversed to factory settings at any time.
How fast do I receive the tuning file?
We process orders Monday to Friday from 08:00–20:00 and Saturday from 10:00–16:00. Most tuning files for the Mercedes-Benz CLS are delivered within 1–3 hours after uploading your original file.

Order Tuning File for Mercedes-Benz CLS

Upload your original file — we deliver the right tuning file for your 500 Bi-Turbo 407hp ( 407 PS / 299 kW ). Fast, secure, credit-based. B2B access for chiptuning professionals.

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