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The Essential Guide to the Mercedes-Benz OM646 Engine Workshop Manual
Utilizing high-pressure fuel delivery for better atomization and reduced noise. Mercedes Workshop Manual Om646 Engine
The OM646 relies heavily on its turbo system. The manual provides: The Essential Guide to the Mercedes-Benz OM646 Engine
Most versions featured a VNT turbocharger to reduce lag and improve torque across the rev range. Mercedes Workshop Manual Om646 Engine