{"id":882,"date":"2026-07-10T15:41:51","date_gmt":"2026-07-10T19:41:51","guid":{"rendered":"https:\/\/www.worldsbestdieseloil.com\/oil-guide\/1983-mercedes-benz-300cd-3-0l-5-cyl-diesel-turbo-maintenance-guide\/"},"modified":"2026-07-10T15:41:51","modified_gmt":"2026-07-10T19:41:51","slug":"1983-mercedes-benz-300cd-3-0l-5-cyl-diesel-turbo-maintenance-guide","status":"publish","type":"post","link":"https:\/\/www.worldsbestdieseloil.com\/oil-guide\/1983-mercedes-benz-300cd-3-0l-5-cyl-diesel-turbo-maintenance-guide\/","title":{"rendered":"1983 Mercedes Benz 300cd Diesel Maintenance Guide: Oil & Fluid Specifications"},"content":{"rendered":"
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\"AMSOIL
AMSOIL diesel oil guide for trucks, vans, SUVs and diesel engines<\/figcaption><\/figure>\n

For the 1983 Mercedes Benz 300cd with the 3.0L 5-cylinder diesel engine, the oil capacity is 7.9 quarts with a filter change. Recommended viscosities include 0W-30 or 0W-40 for all temperatures, 10W-40 for temperatures above -20\u00b0C, and 5W-30, 5W-40, or 5W-50 for temperatures above -25\u00b0C. AMSOIL recommends AMSOIL 5W-40 FS 100% Synthetic European Motor Oil<\/a> (EFMQT-EA<\/a>) for this application.<\/p>\n

What oil does a 1983 Mercedes Benz 300cd take?<\/h2>\n

The 1983 Mercedes Benz 300cd requires specific engine oil viscosities based on operating temperatures. The AMSOIL lookup lists an oil grade of SEO41. For all temperature ranges, 0W-30 and 0W-40 are suitable. In warmer climates (above -20\u00b0C), 10W-40 is appropriate, while for temperatures above -25\u00b0C, options include 5W-30, 5W-40, and 5W-50.<\/p>\n

AMSOIL product recommendations<\/h2>\n

Based on the AMSOIL lookup data, here are the recommended products for your 1983 Mercedes Benz 300cd maintenance needs.<\/p>\n

Engine Oil Recommendations<\/h3>\n
\n\n\n\n\n
Product Name<\/th>\nPart Code<\/th>\n<\/tr>\n
AMSOIL 5W-40 FS 100% Synthetic European Motor Oil<\/td>\nEFMQT-EA<\/a><\/td>\n<\/tr>\n
AMSOIL 0W-40 FS 100% Synthetic European Motor Oil<\/td>\nEFOQT-EA<\/a><\/td>\n<\/tr>\n<\/table>\n<\/div>\n

Coolant & Antifreeze Recommendations<\/h3>\n
\n\n\n\n\n
Product Name<\/th>\nPart Code<\/th>\n<\/tr>\n
AMSOIL Passenger Car & Light Truck Antifreeze & Coolant<\/td>\nANTPC1G-EA<\/a><\/td>\n<\/tr>\n
AMSOIL Propylene Glycol Antifreeze and Engine Coolant<\/td>\nANT1G-EA<\/a><\/td>\n<\/tr>\n<\/table>\n<\/div>\n

Transmission & Steering Fluid Recommendations<\/h3>\n
\n\n\n\n\n\n
Product Name<\/th>\nPart Code<\/th>\n<\/tr>\n
AMSOIL Signature Series Multi-Vehicle 100% Synthetic ATF<\/td>\nATFPK-EA<\/a><\/td>\n<\/tr>\n
AMSOIL OE Multi-Vehicle 100% Synthetic ATF<\/td>\nOTFQT-EA<\/a><\/td>\n<\/tr>\n
AMSOIL 100% Synthetic Multi-Vehicle Power Steering Fluid<\/td>\nPSFCN-EA<\/a><\/td>\n<\/tr>\n<\/table>\n<\/div>\n

Brake Fluid Recommendation<\/h3>\n
\n\n\n\n
Product Name<\/th>\nPart Code<\/th>\n<\/tr>\n
AMSOIL DOT 3 and DOT 4 100% Synthetic Brake Fluid<\/td>\nBFLVCN-EA<\/a><\/td>\n<\/tr>\n<\/table>\n<\/div>\n

Engine Oil Specifications<\/h3>\n
\n\n\n\n\n\n
Viscosity Range<\/th>\nTemperature Condition<\/th>\n<\/tr>\n
0W-30, 0W-40<\/td>\nAll TEMPS<\/td>\n<\/tr>\n
10W-40<\/td>\nAbove -20\u00b0C<\/td>\n<\/tr>\n
5W-30, 5W-40, 5W-50<\/td>\nAbove -25\u00b0C<\/td>\n<\/tr>\n<\/table>\n<\/div>\n

Engine Oil Capacity and Torque<\/h3>\n

When performing an oil change, ensure you have the correct amount of fluid to prevent engine damage.<\/p>\n

\n\n\n\n\n
Detail<\/th>\nSpecification<\/th>\n<\/tr>\n
Oil Capacity (with filter)<\/td>\n7.9 quarts<\/td>\n<\/tr>\n
Oil Drain Plug Torque<\/td>\n20 ft\/lbs<\/td>\n<\/tr>\n<\/table>\n<\/div>\n

Note:<\/strong> 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 off the engine before checking the oil level.<\/p>\n

Automatic Transmission Fluid Specifications<\/h2>\n

The 1983 Mercedes Benz 300cd uses a 4-speed automatic transmission (722.3). The AMSOIL lookup note references the 722.3 specification for this application.<\/p>\n

\n\n\n\n\n
Fill Type<\/th>\nCapacity<\/th>\n<\/tr>\n
Total Fill<\/td>\n7.7 quarts<\/td>\n<\/tr>\n
Initial Fill<\/td>\n6.6 quarts<\/td>\n<\/tr>\n<\/table>\n<\/div>\n

Other Fluid Specifications<\/h2>\n

Coolant Capacity<\/h3>\n

The cooling system capacity for this vehicle is 13.2 quarts.<\/p>\n

Transfer Case Lubricant<\/h3>\n
\n\n\n\n
Location<\/th>\nCapacity<\/th>\n<\/tr>\n
Rear<\/td>\n2.3 pints<\/td>\n<\/tr>\n<\/table>\n<\/div>\n

Brake Fluid Requirements<\/h3>\n

The AMSOIL lookup note references the following for brake fluid: Use DOT 4 plus, 0009895605090109 (previously 0009895605110111, 000989080701) or products approved on MB Sheet 331.0.<\/p>\n

Diesel maintenance notes for this vehicle<\/h2>\n