Detailed specifications for the OM642 V6 and OM646/OM651 inline-four diesel engines, including precise torque settings and timing procedures.
ATF fluid change procedures, electrical conductor plate diagnosis, and torque converter issues. w639 workshop manual
You need the official WIS for oil cooler seal replacement – aftermarket manuals misrepresent the procedure. Detailed specifications for the OM642 V6 and OM646/OM651