What does CDI mean on a Mercedes?
CDI (Common Rail Diesel Injection) is a series of diesel engines from German Daimler AG, which are installed on Mercedes-Benz vehicles. Mercedes-Benz’s CDI (Common Rail Direct Injection) diesel engines have become synonymous with power, efficiency, and refinement in the automotive world.In Mercedes engineering, CDI stands for Common-rail Direct Injection — the advanced fuel delivery system used in their diesel engines. This technology makes a big difference: 1. Fuel Efficiency – burns less fuel, saves more money 2. Power & Performance – delivers strong torque for smooth driving 3.Advantages and disadvantages of CDI engines Pros: Improved fuel efficiency, increased torque and reduced emissions. Cons: Increased repair costs and greater sensitivity to fuel quality.