The phrase "twin louvers" refers to two slatted panels that are placed side by side to allow airflow or control the direction of light. Full definition
Up front, both models sport an AMG grille with twin louvers in matte Iridium Silver and a sculpted front bumper. (automobilemag.com)
The new E sports a new radiator grille with twin louvers in silver chrome, vertical black struts and the «AMG» badge, showcasing the power and the performance of the new sedan. (mercedesblog.com)
AMG C43 models get their own cosmetic updates, including twin louvers in the lower part of the fascia that are painted silver, chrome cross fins on the grille and side air curtains integrated into the front bumper. (cars.com)