The AM/MS08 series is a three-part electric multiple unit of the Siemens type Desiro Main Line (Desiro ML), a so-called lightweight train with a low-floor section for regional passenger transport and local passenger transport for the National Railway Company of Belgium(SNCB/NMBS).

They were originally intended for the Brussels Regional Express Network but have been deployed on L (local), S-train and IC (InterCity) train services across Belgium.

In 2008, the board of directors of the Belgian national railway company NMBS decided to purchase 305 electric multiple units of the "Desiro ML" type from Siemens.

The train set was developed by Siemens Mobility from the Desiro MainLine intended for the north western Germany region.

Mobile Internet reception has been severely weakened by the electromagnetic shielding of three-layer glass and the thermal insulation of the walls.