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Tuning for 2012-2020 Mercedes-Benz SL550

(M278 V8 4.7L Biturbo engine)


- Stock HP & TQ:

   429 HP / 516 FT-LB (699 Nm)


Tuning Options:


- Stage 1: 

   500 HP / 637 FT-LB (865 Nm)


- Stage 2:  [+$200]

   545 HP / 690 FT-LB (935 Nm)

(Requires Race Downpipe)


Ecu tuning modifies torque limiter maps, boost levels, fuel maps and more. All to help safely increase HP/TQ, while keeping good drive-ability and factory fail-safes/limp protection in place. Stock power and gains vary based on conditions and state of the vehicle.

Mercedes SL550 M278 Tuning (2012-2020)

1 749,00C$Prix
  • - TCU Tuning [+$419]

    (Increase responsiveness and power potential or fuel economy)

    (Cannot be shipped it has to be done in store only)


    - Send in your ECU to get tuned and then shipped back

View parts for this car


Look no further - ECUPROGRAM, your dream Performance Tuning & Upgrade Shop is here! For more information about our ECU tuning services and how it can benefit your vehicle, don't hesitate to reach out to us.

4527 1 St SE, Calgary, AB T2G 2L2, Canada

(403) 457-3650

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