What oil does a 1987 Mercedes Benz 300D take?
For the 1987 Mercedes Benz 300D with the 3.0L 6-cylinder Engine Code 603.960 6 Diesel Turbo, the engine oil capacity is 8.5 quarts with a filter change. Recommended viscosities include 0W-30 or 0W-40 for all temperatures, 10W-40 for temperatures above -20°C, and 5W-30, 5W-40, or 5W-50 for temperatures above -25°C. AMSOIL recommends 5W-40 FS 100% Synthetic European Motor Oil or 0W-40 FS 100% Synthetic European Motor Oil.
AMSOIL product recommendations
The following AMSOIL products are recommended for your 1987 Mercedes Benz 300D based on the provided application data.
Engine Oil
| Product Name | Viscosity | Code |
|---|---|---|
| AMSOIL 5W-40 FS 100% Synthetic European Motor Oil | 5W-40 | EFMQT-EA |
| AMSOIL 0W-40 FS 100% Synthetic European Motor Oil | 0W-40 | EFOQT-EA |
Oil Filter
| Product Name | Code |
|---|---|
| WIX Oil Filter | 51289-EA |
Coolant & Antifreeze
| Product Name | Code |
|---|---|
| AMSOIL Passenger Car & Light Truck Antifreeze & Coolant | ANTPC1G-EA |
| AMSOIL Propylene Glycol Antifreeze and Engine Coolant | ANT1G-EA |
Transmission & Other Fluids
| Product Name | Code |
|---|---|
| AMSOIL Signature Series Multi-Vehicle 100% Synthetic ATF | ATFPK-EA |
| AMSOIL OE Multi-Vehicle 100% Synthetic ATF | OTFQT-EA |
| AMSOIL DOT 3 and DOT 4 100% Synthetic Brake Fluid | BFLVCN-EA |
| AMSOIL 100% Synthetic Multi-Vehicle Power Steering Fluid | PSFCN-EA |
Engine Oil Specifications and Details
Proper lubrication is critical for the longevity of the 3.0L inline-6 diesel engine. Below are the confirmed technical details for your oil service.
Oil Viscosity Guide
| Temperature Condition | Recommended Viscosity |
|---|---|
| All Temperatures | 0W-30, 0W-40 |
| Above -20°C | 10W-40 |
| Above -25°C | 5W-30, 5W-40, 5W-50 |
Oil Capacity and Torque
| Description | Value |
|---|---|
| Capacity (with filter) | 8.5 quarts |
| Oil Drain Plug Torque | 20 ft/lbs |
Note: On models equipped with an oil cooler, additional oil may be required when the cooler is drained. Always allow 5 minutes after refilling or turning the engine off before checking the oil level.
Transmission Fluid Details
For the 4-speed 722.3 automatic transmission:
- Total Fill Capacity: 7.7 quarts
- Initial Fill Capacity: 6.6 quarts
Coolant and Differential Information
- Coolant Capacity: 10.6 quarts
- Rear Differential Capacity: 2.3 pints
Diesel maintenance notes for this vehicle
Maintaining a vintage diesel engine requires attention to several key systems to preserve its legendary durability.
- Turbocharger Health: Ensure consistent lubrication and monitor for any signs of turbocharger wear or oil consumption.
- Cooling System Integrity: Given the age of these vehicles, regular inspection of rubber components, hoses, and the cooling system is recommended to prevent overheating.
- Fuel Systems: Consistent attention to fuel filtration is vital for diesel engine longevity.
- Vacuum Systems: Inspect vacuum lines and related components as part of standard preventative care.
Common diesel oil-related concerns and how AMSOIL products may help
| Concern | Why it matters | AMSOIL product from this lookup | How it may help | Important limitation |
|---|---|---|---|---|
| Turbocharger Protection | High heat and speed can degrade oil quickly. | EFMQT-EA | Designed for unique demands of diesel European vehicles. | Requires proper service intervals. |
| Engine Wear | Diesel engines produce soot and high pressure. | 51289-EA | Premium media helps reduce engine wear. | Does not replace mechanical repair. |
| Cooling System Corrosion | Old engines are prone to metal/gasket erosion. | ANT1G-EA | Surpasses standards for metallic corrosion and erosion. | Requires correct mixing with water. |
Common maintenance concerns for this vehicle
Owners of the 1987 Mercedes Benz 300D often focus on preventative care to maintain high mileage performance. Key areas include:
- Rubber Component Aging: Inspecting hoses, gaskets, and vacuum lines is standard practice for vehicles of this era.
- Coolant Management: Ensuring the cooling system remains free of contaminants to protect all metals and gaskets.
- Transmission Smoothness: Maintaining the 722.3 automatic transmission with fresh fluid to ensure smooth, shudder-free shifts.
Recall, TSB, and manufacturer communication notes
Official NHTSA recall research for the 1987 Mercedes Benz 300D returned no recall records. Additionally, no consumer complaint records were found via the NHTSA complaints API for this specific year/make/model combination. However, owners should always verify open recalls by VIN, as applicability can depend on production date and specific equipment.
About this vehicle
The 1987 Mercedes-Benz 300D Turbo is a notable representative of the highly regarded diesel engines produced by Mercedes-Benz. This model features a 3.0L inline-6 engine, specifically identified by the engine code 603. This configuration is characteristic of Mercedes-Benz’s diesel offerings during this era.
Historically, these diesel models earned a global reputation for extreme durability and reliability. They were famously utilized in various high-mileage applications, such as European taxicabs, due to their ability to reach immense distances with only minor mechanical issues. This legacy of longevity means that many current owners are enthusiasts who prioritize rigorous preventative maintenance.
While these engines are often described as “bulletproof,” they require consistent attention to the fuel system, cooling integrity, and turbocharger lubrication to maintain their service life. Users should verify specific chassis platforms (such as the W124 series) when performing detailed mechanical research to ensure accuracy in maintenance procedures.
Common questions about this vehicle’s diesel oil and maintenance
How much oil does my 300D take?
The engine requires 8.5 quarts of oil when performing a service that includes a filter change.
What is the correct oil viscosity for all temperatures?
For all temperature ranges, the AMSOIL lookup suggests using 0W-30 or 0W-40 viscosities.
Can I use any antifreeze in my Mercedes diesel?
The AMSOIL lookup lists ANTPC1G-EA and ANT1G-EA, which are engineered to protect cooling system metals, gaskets, and hoses.
What should I use for my automatic transmission?
For the 4-speed 722.3 transmission, AMSOIL recommends ATFPK-EA or OTFQT-EA.
How do I prevent leaks in my power steering system?
Using a high-quality synthetic fluid like PSFCN-EA may help keep seals soft to prevent leaks.
Are there any recalls for the 1987 Mercedes 300D?
No recall records were returned by the NHTSA API for this vehicle, but you should always verify your specific VIN with a dealer.
Disclaimer: Not all information provided is from the manufacturer. Always consult your owner’s manual or a certified professional before performing maintenance.