- Now until September 3, 2019 the Mercedes-Benz Certified Pre-Owned Sales Event rates on Model Years 2016, 2017, and 2018 C-, E-, CLA-, GLA-, GLC-, GLE-, and S- Class (Sedan), Model Year 2016 GL-Class, Model Years 2017 and 2018 GLS- Class vehicles are as low as 1.99% from 24 up to 36 months. Call us today for details. Certain restrictions apply.