PowerXtra B45-450 - AMG A45 S

BRABUS extra power for your vehicle: The BRABUS PowerXtra B45-450 performance kit based on the AMG A 45 S consists of a processor-driven additional control module for the standard engine management in combination with specially-optimized software for the original engine control unit. The kit is complemented by the BRABUS BoostXtra as well as an additional air supply for the air filter box. In addition to an increase in peak torque from 500 Nm to 550 Nm, the rated output jumps by 21 kW/29 hp from 310 kW/421 hp to 331 kW/450 hp. The plug-and-play control unit is adapted to the standard engine management.

The assembly is only possible at our factory in Bottrop.

Acceleration 0-100 km/h:

  • AMG A 45 S: 3,7 s (stock 3,9 s)

Performance increase:

  • 550 Nm (stock 500 Nm)
  • 331 kW/ 450 HP (stock 310 kW/ 421 HP)


  • Vmax: 270 km/h / 168 mph (stock 270 km/h / 168 mph)

All given performance figures are approximate values and depend on specific details such as vehicle type, equipment, tare weight, rear axle ratio, wheel/ tyre combinations, gearbox and aerodynamic options of the specific vehicle.

PowerXtra B45-450 - AMG A45 S

Price on requestArticle available
Delivery & assembly
Inquiry Article

This item requires a lot of consultation because there are customisation options, vehicle-specific differences or additional dependencies. It is therefore added to the shopping basket as an "inquiry item" and a BRABUS consultant will then contact you for all further details.

Item only available on request

After in-house checking, it is only possible to add this item to the shopping basket as an "enquiry item". A BRABUS customer advisor will then contact you for all further details.

You have a question? Feel free to contact us!

BRABUS Tuning Warranty
Please note the Provisions of the BRABUS Tuning Warranty