Description
How would you like to get tuned?
REMOTE — AT One device Flash anywhere in the world. Device shipped to you. Incl. AT One ($249). | $1,848 | ADD TO CART |
ECU MAIL-IN Ship your ECU to us in Japan. Bench flash & return. | $1,599 | CONTACT |
IN-PERSON Arranged individually — contact us for details. | $1,599 | BOOK |
Mercedes-Benz CLS550 (W218) — Custom ECU Tune
Developed in Tokyo by mbFAST Tuning. Available remote or in-person.
| VARIANT | STOCK hp / Nm | mbFAST hp / Nm | GAIN | REMOTE |
|---|---|---|---|---|
| CLS 500 Bi-Turbo | 407 / 600 | 510 / 820 | +103 / +220 | AT One |
| CLS 500 – | 408 / 600 | 510 / 850 | +102 / +250 | AT One |
What’s included
- Custom ECU calibration built for your exact vehicle — no generic files
- Remote flashing worldwide via AT One, or in-person by arrangement
- Pops & bangs (afterfire) available on select platforms — ask us
- Stock file backup & free revisions during setup
Exact calibration details are proprietary. Figures vary by fuel, condition and options.
FOR TUNING SHOPS
Install this Mercedes-Benz CLS550 (W218) tune for your customers — we supply the calibration files and remote support. Your shop, our data.





Reviews
There are no reviews yet.