I have one for model year 81. Blue plastic cover. 4" x 6" x 3/4" thick. Covers every model for 81 with lot's of useful data in one place such as engine specs, torque values etc. Are these still available from Mercedes and how much? I woudn't mind getting one for 83 model year.

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85 300D turbo pristine w 157k when purchased 167,870 July 2025
83 300 D turbo 297K runs great. SOLD!
83 240D 4 spd manual- parted out then junked