Description
Factory Mercedes-Benz 300SD Workshop Manual (1977–1980)
This factory-level workshop manual covers the Mercedes-Benz 300SD — the W116-chassis luxury sedan that introduced turbodiesel power to American buyers. Whether you’re servicing the fuel injection system or overhauling the drivetrain, every procedure is documented here.
Powertrain & Drive Coverage
| Component | Variants Covered |
|---|---|
| Diesel | OM617 3.0L inline-5 turbodiesel |
| Transmissions | 4-speed automatic with torque converter |
| Drive | RWD |
| Model Years | 1977–1980 |
| Badge Twins | N/A |
Common 300SD Repairs Covered
| System | Procedures |
|---|---|
| OM617 Turbocharger | Turbo oil feed line inspection, wastegate adjustment, turbo removal and rebuild |
| Bosch Injection Pump | Injection timing verification, idle speed adjustment, pump removal and calibration |
| Automatic Transmission | Shift point adjustment, fluid and filter service, valve body overhaul |
| Cooling System | Thermostat replacement, radiator flush, water pump R&R, coolant specification |
Format & Delivery
PDF. Instant download; lifetime re-downloads.
Frequently Asked Questions
What chassis does the 300SD use, and what body styles are covered?
The 300SD is built on the W116 platform — Mercedes’ flagship S-Class architecture of the era. This manual covers the long-wheelbase turbodiesel sedan exclusively sold in North America, including all US-specification emission and fuel system calibrations for 1977 through 1980.
Is the OM617 turbocharger service fully documented?
Yes. The OM617 turbodiesel section includes complete turbocharger removal, inspection, and rebuild procedures, along with oil supply line routing, boost pressure specifications, and Bosch injection pump timing procedures — all critical maintenance items on high-mileage 300SD engines.
Does the manual cover the automatic transmission overhaul?
Complete coverage is provided for the 4-speed Mercedes automatic, including torque converter removal, valve body disassembly, clutch pack replacement, fluid specifications, and shift-point adjustment procedures. Band adjustment specs are also included.
What format is the manual?
This manual is delivered as a PDF file. It is fully searchable, printable, and compatible with any device — Windows, Mac, iOS, Android, or tablet. Download begins immediately after purchase, and you can re-download at any time.





Reviews
There are no reviews yet.