ECU Tuning for Mercedes-Benz A45 W176 (2012-2015)
(M133 2.0L Inline-4 Turbocharged) 
(Bosch MED17 ECU/ECM)
 
Includes:
- ECUPROGRAM tune file
- ECU Tune Install
 
A45 M133 Tuning Potential:
 
- - STOCK HP & TQ - -
360 HP / 332 FT-LB (450 Nm)
 
- - STAGE 1 - -
400 HP / 384 FT-LB (520 Nm)
 
- - STAGE 2 - - [+$150]
420 HP / 398 FT-LB (539 Nm)
Requires A45 Mods:
Performance Intake
Less Restrictive Downpipe
 
Stock power and gains vary based on conditions and state of the vehicle.
 
The Mercedes Benz M133 engine is a 2.0-liter turbocharged inline-four engine that was first introduced in 2013. This engine is known for its exceptional power output and quick acceleration, making it a popular choice among car enthusiasts looking for high-performance engines. Equipped with a twin-scroll turbocharger and direct fuel injection, the M133 engine delivers impressive horsepower and torque, while still maintaining relatively good fuel efficiency. Widely used in various Mercedes-Benz models, including the A-Class and CLA-Class, the M133 engine offers a balance of power and efficiency, making it an excellent choice for those who want a powerful and thrilling driving experience.
 
The MED17 is an engine control unit (ECU), also known as DME/ECM/DDE. It is responsible for controlling the fuel injection, turbocharging, and other engine management functions. In order to tune the Mercedes AMG A45, it is necessary to modify the MED17 map, through ECU programming, remapping or through the use of an aftermarket tuning box.
 
There are several reasons why you might consider tuning, including:
 
- Increase Horsepower & Torque: The most noticable benefits of tuning your ECU is the increase in horsepower and torque. Even without aftermarket modifications, you can see a significant improvement in your engine's performance, resulting in faster acceleration and a more engaging driving experience.
 
- Improve Fuel Efficiency: While more HP and TQ is often the primary goal of tuning, many tuning parameters can also result in improved fuel efficiency. By optimizing the engine's performance, you can reduce the amount of fuel needed to accelerate and cruise, saving you money at the pump.
 
- Enhanced Reliability: By addressing common issues from the factory and making the engine more efficient, you can reduce the risk of breakdowns and extend the life of your vehicle.
 
Tuning File Fits:
2012 2013 2014 2015
Mercedes Benx A45 W176 (2.0 Litres, Turbocharged)