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Ignitions and Electrical› Computers, Chips, Modules and Programmers

Eurocharged

ECU Tune

Name: ECU Tune
Brand: Eurocharged
SKU: M278-ECU-TUNE

$1,399.00 $1,260.03 Save $138.97

SKU: M278-ECU-TUNE

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$100 Minimum Order

Non-Returnable Item

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Professional / shop required

Description

The Eurocharged M278-ECU-TUNE is a performance ECU tune specifically engineered for Mercedes-Benz vehicles featuring the M278 engine. This upgrade delivers substantial power and torque enhancements, with reported gains reaching up to 111 horsepower and 272 lb-ft of torque. Developed through extensive dyno testing, this tune optimizes engine parameters to unlock the full potential of the M278's 4.7L V8 bi-turbo engine. The tuning process involves reprogramming the vehicle's Electronic Control Unit (ECU). Eurocharged utilizes its proprietary Euroflash software for this process. While the specifics of the tuning process are not detailed, it is implied to be a software-based modification that recalibrates engine management systems for improved performance. It is important to note that the Cypher handheld programmer is not compatible with 2020 and newer models. Further details regarding specific vehicle fitment and any potential hardware prerequisites should be confirmed with the manufacturer.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

Brand	Eurocharged
Part Number	M278-ECU-TUNE
Category	Ignitions and Electrical

Videos

BATTLE BETWEEN THE KINGS! RENNTECH VS EUROCHARGED! *COPS TRIED TO STOP ME*

DYNO Test and RENNtech Shop Tour! Mercedes Benz CLS 550 M278 ECU Tune (W218 C218)

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Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

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