Mercedes GT-4 -AMG GT-4 (X290) AMG GT 63 4MATIC
Depending on which engine you have in your vehicle, you have different chip box alternatives. You have 3 choices for your Mercedes GT-4 -AMG GT-4 (X290) AMG GT 63 4MATIC. Please check that you have selected the correct engine from the car list. These are the options for -AMG GT-4 (X290) AMG GT 63 4MATIC with 585 HP. The product images are illustrative and colors may vary from actual product.
Alternative 1

Ultimate
Our top model, most power and durability with quality electronics and remote control included for on/off.

732 HP ( +25%)
980 Nm ( +23%)
Alternative 2

RXT Power Booster
Pedal box for advanced fuel regulation! Fuel economy and more power in the same box. NOTE no increase in HP!

Alternative 3

RXT Ultimate
Set of both Ultimate and RXT Power Booster. Maximum effect and fuel savings controlled from your drivers seat.

740 HP ( +26%)
Product comparison
Ultimate![]() ![]() ![]() i ![]() i ![]() i ![]() i ![]() i ![]() ![]() ![]() ![]() i | RXT Power Booster![]() i ![]() i | RXT Ultimate![]() ![]() ![]() i ![]() i ![]() i ![]() i ![]() i ![]() i ![]() ![]() ![]() ![]() i |
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