Mercedes Coolant Leak: Diagnosing and Fixing the Issue in a Mercedes-Benz CLA 45 AMG A Mercedes-Benz CLA 45 AMG equipped with the M133 engine recently came into our workshop with a coolant-related complaint. Coolant leaks are one of the most ...
Thermostat Housing Leak in Mercedes-Benz CLA W117 (M270 Engine): A Diagnostic Case Study Coolant leaks in Mercedes engines rarely announce themselves loudly they often start as silent, slow drips that hide behind plastic housings, heat shields, or internal seals. Many ...