Mercedes OM642 vs Land Rover 3.0 SDV6 (306DT): Reliability & Rebuild Guide
The 3.0-litre V6 diesel architecture dominated the premium SUV and executive saloon segments for over a decade. Two powerplants stand above the rest: the Mercedes-Benz OM642 and the Jaguar Land Rover 3.0 SDV6 (306DT). Both utilise high-strength compacted graphite iron (CGI) or advanced aluminium block construction, complex forced-induction systems, and
November 3, 2026
