Historically sold as a multi-disc CD set, it is now often found as a digital library from specialists like Adsitco for around $99.
Here is a look into the best manual options currently available for the '87 300D. 1. The "Gold Standard": Factory Service Manual (FSM) 1987 Mercedes 300d Repair Manual
Sells a similar 1987 Mercedes 300D Service Repair Manual with over 70 sections and detailed part layouts. 3. Third-Party Physical Manuals (Haynes & Bentley) Historically sold as a multi-disc CD set, it
If you need a manual immediately to fix a leak or a window motor, digital downloads are the modern go-to. These are typically searchable PDFs that you can use on a tablet while under the car. The "Gold Standard": Factory Service Manual (FSM) Sells
The 1987 300D is unique because it's the only year the 3.0L 6-cylinder diesel was in the W124 sedan in the U.S.. When buying a manual, ensure it specifically mentions the OM603 engine or the 124.133 chassis code to avoid getting a manual for the later 2.5L versions.
Offers a comprehensive 1987 Mercedes-Benz 300D Service & Repair Manual for roughly $34 . It covers everything from engine electrical systems to full chassis disassembly.