Section 8 (Manual Transmission Servicing - 190D, 190E, 300D, 300E & 300SDL): Identification
WARNING: This page is about a different car, the 1986 Mercedes-Benz 300SDL, 1986 Mercedes-Benz 300E, 1986 Mercedes-Benz 300D, 1986 Mercedes-Benz 190E, and 1986 Mercedes-Benz 190D. However, it is still accessible from the selected car via links, so may be relevant.