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Parts & Accessories For Mercedes Benz Car & SUV Vehicles

Introduced in 1997, the first CDI engine was an inline 4-cylinder used in the Mercedes-Benz E-Class and C-Class cars and Sprinter vans. This engine introduced the common-rail direct injection fuel system into diesel-powered cars and SUVs. Utilizing a common-rail injection system became popular with many other diesel manufacturers, as this system delivered enhanced fuel efficiency and performance. In 1998 Mercedes introduced CDI V8 engines, then in 2002 CDI V6 engines were also available for cars and SUVs. Over time these engines were continuously developed to increase horsepower and torque while meeting stricter emission standards.

Switching from an indirect fuel injection system to a common-rail direct-injection provided multiple benefits for Mercedes diesel applications. This included increased fuel economy, a quieter running engine, and reduced emissions. Mercedes-Benz employed Bosch injection pumps and fuel injectors on their diesel-powered vehicles. Fitted to this series of CDI engines were variable-geometry turbochargers (VGT). Variable-geometry turbos promoted exhaust gas recirculation (EGR) to reduce emissions which is why they were commonly fitted to multiple diesel engines. As the EPA continued to enforce stricter emission regulations, Mercedes needed to improve the emission control systems on these engines. Initially the CDI engines only included exhaust gas recirculation (EGR) systems, then diesel particulate filters (DPF) were added to these engines. As emission control technology continued to advance Mercedes added selective catalytic reduction (SCR) systems to all their diesel engines.

While reducing emissions was a major focus of improving these CDI engines, increasing horsepower and torque was a high priority as well. In 1997, the 4-cylinder 2.2L CDI was rated at 101 hp and 173 lb-ft of torque. By 2017 power ratings increased up to 192 hp and 295 lb-ft of torque in the inline 4-cylinder engine. The latest V6 turbocharged CDI engine also had an impressive rating of 335 hp and 516 lb-ft of torque. Mercedes continues to improve their diesel engines for cleaner emissions and increased performance. XDP supports these engines with a variety of high-quality parts from hundreds of the top manufacturers. XDP is your one-stop-shop for everything your diesel-powered Mercedes-Benz car or SUV needs.