AMR ECU UPGRADE | 2019-2021 Mercedes-Benz CLS53

2019 Mercedes-Benz CLS (C257) CLS53 AMG (3.0T I6) - 429HP

Price: $1299.99 USD

ECU calibration from AMR Performance for the 2019-2021 Mercedes-Benz CLS53 AMG (C257), calibrated around the 3.0T I6. Takes the factory 429 hp to up to 540 hp / 500 tq (Stage 1) on 91/93 Octane. Installation: ECU SHIP-IN -or- DEALER FLASH.

Specifications

Vehicle2019 Mercedes-Benz CLS (C257) CLS53 AMG (3.0T I6) - 429HP
CategoryECU TUNING
Peak outputUp to 540 hp / 500 tq (Stage 1)
Fuel requirement91/93 Octane
Hardware requiredNone
Flash methodECU SHIP-IN -or- DEALER FLASH
ProTuner supportedNo
SKUAMR.MB.257.CAL

Frequently Asked Questions

Does the AMR ECU UPGRADE | 2019-2021 Mercedes-Benz CLS53 fit a 2019 Mercedes-Benz CLS (C257) CLS53 AMG (3.0T I6) - 429HP?
Yes. This ECU TUNING is developed specifically for the 2019 Mercedes-Benz CLS (C257) CLS53 AMG (3.0T I6) - 429HP.
What is the peak output of the AMR ECU UPGRADE | 2019-2021 Mercedes-Benz CLS53?
Up to 540 hp / 500 tq (Stage 1).
What fuel or octane does it require?
91/93 Octane.
What hardware is required?
None.
How is it installed?
ECU SHIP-IN -or- DEALER FLASH.
Is the AMR ECU UPGRADE | 2019-2021 Mercedes-Benz CLS53 ProTuner supported?
Contact AMR Performance for tuning support options.

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