Here’s a detailed description of the Mercedes-Benz A45 AMG engine code ''133980'' (also seen as M133.980), what it is, its specs, and how it works. If you want info for a specific year/facelift, I can pull that too.

Basic Identity

• Engine code: 133980 sometimes written M133.980.  
• Type: 2.0-litre, inline 4-cylinder (I4) turbocharged petrol engine.  
• Used in: Mercedes-AMG A45, CLA45, GLA45 etc. (W176 and related models) from roughly 2013-2018.  

Performance / Key Specifications

Here are the major technical specs, which have some variation depending on model year / tuning version: