{"id":163,"date":"2026-05-19T18:59:15","date_gmt":"2026-05-19T22:59:15","guid":{"rendered":"https:\/\/www.worldsbestdieseloil.com\/oil-guide\/?p=163"},"modified":"2026-05-19T19:28:29","modified_gmt":"2026-05-19T23:28:29","slug":"1984-mercedes-benz-300td-3-0l-5-cyl-diesel-turbo-maintenance-guide","status":"publish","type":"post","link":"https:\/\/www.worldsbestdieseloil.com\/oil-guide\/1984-mercedes-benz-300td-3-0l-5-cyl-diesel-turbo-maintenance-guide\/","title":{"rendered":"1984 Mercedes Benz 300TD Diesel Maintenance Guide: Oil & Fluid Specifications"},"content":{"rendered":"
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AMSOIL diesel oil guide for trucks, vans, SUVs and diesel engines<\/figcaption><\/figure>\n

What oil does a 1984 Mercedes Benz 300TD take?<\/h2>\n

The 1984 Mercedes Benz 300TD with the 3.0L 5-cylinder diesel engine requires specific viscosities based on operating temperatures. For all temperatures, 0W-30 or 0W-40 are recommended. At temperatures above -20\u00b0C, 10W-40 is suitable, while for temperatures above -25\u00b0C, you may use 5W-30, 5W-40, or 5W-50. The engine oil capacity is 7.9 quarts with a filter change.<\/p>\n

AMSOIL product recommendations<\/h2>\n

Based on the AMSOIL lookup data for the 1984 Mercedes Benz 300TD, the following products are recommended for optimal engine and component protection:<\/p>\n

\n\n\n\n\n\n\n\n\n\n\n\n
Component<\/th>\nAMSOIL Product Name<\/th>\nProduct Code<\/th>\n<\/tr>\n
Engine Oil<\/td>\n5W-40 FS 100% Synthetic European Motor Oil<\/a><\/td>\nEFMQT-EA<\/a><\/td>\n<\/tr>\n
Engine Oil<\/td>\n0W-40 FS 100% Synthetic European Motor Oil<\/a><\/td>\nEFOQT-EA<\/a><\/td>\n<\/tr>\n
Coolant<\/td>\nPassenger Car & Light Truck Antifreeze & Coolant<\/td>\nANTPC1G-EA<\/a><\/td>\n<\/tr>\n
Coolant<\/td>\nPropylene Glycol Antifreeze and Engine Coolant<\/td>\nANT1G-EA<\/a><\/td>\n<\/tr>\n
Automatic Transmission<\/td>\nSignature Series Multi-Vehicle 100% Synthetic ATF<\/td>\nATFPK-EA<\/a><\/td>\n<\/tr>\n
Automatic Transmission<\/td>\nOE Multi-Vehicle 100% Synthetic ATF<\/td>\nOTFQT-EA<\/a><\/td>\n<\/tr>\n
Brake Fluid<\/td>\nDOT 3 and DOT 4 100% Synthetic Brake Fluid<\/td>\nBFLVCN-EA<\/a><\/td>\n<\/tr>\n
Power Steering Fluid<\/td>\n100% Synthetic Multi-Vehicle Power Steering Fluid<\/td>\nPSFCN-EA<\/a><\/td>\n<\/tr>\n
Fuel Additive<\/td>\nDiesel Injector Clean Fuel Additive<\/td>\nADFPCN-EA<\/a><\/td>\n<\/tr>\n<\/table>\n<\/div>\n

Oil Filter & Air Filter<\/h3>\n

No recommendations available from source data for the oil filter, air filter, or oil vapor filter.<\/p>\n

Engine Oil Specifications and Details<\/h2>\n

For the 3.0L 5-cylinder diesel engine (Code 2998cc), maintaining correct viscosity is essential for longevity. The AMSOIL lookup identifies an oil grade of SEO41.<\/p>\n

Oil Viscosity Guide<\/h3>\n
\n\n\n\n\n\n
Temperature Range<\/th>\nRecommended Viscosity<\/th>\n<\/tr>\n
All Temperatures<\/td>\n0W-30, 0W-40<\/td>\n<\/tr>\n
Above -20\u00b0C<\/td>\n10W-40<\/td>\n<\/tr>\n
Above -25\u00b0C<\/td>\n5W-30, 5W-40, 5W-50<\/td>\n<\/tr>\n<\/table>\n<\/div>\n

Oil Capacity and Torque<\/h3>\n
\n\n\n\n\n
Specification<\/th>\nValue<\/th>\n<\/tr>\n
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 the engine off before checking the oil level.<\/p>\n

Transmission and Differential Specifications<\/h2>\n

Automatic Transmission<\/h3>\n

This vehicle utilizes the 4-speed 722.3 transmission (also referenced as AF3).<\/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

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

Other Fluid Specifications<\/h2>\n

Coolant<\/h3>\n

The cooling system capacity is 10.6 quarts.<\/p>\n

\n\n\n\n
Product Type<\/th>\nDetails<\/th>\n<\/tr>\n
AMSOIL Antifreeze<\/td>\nEthylene glycol 50\/50 pre-mix formulation<\/td>\n<\/tr>\n<\/table>\n<\/div>\n

Brake and Power Steering<\/h3>\n

The AMSOIL lookup note for brake fluid recommends use of DOT 4 plus or products approved on MB Sheet 331.0.<\/p>\n

\n\n\n\n\n
System<\/th>\nRecommendation\/Note<\/th>\n<\/tr>\n
Brake Fluid<\/td>\nRecommended for HBH; use DOT 4 plus or MB Sheet 331.0 approved products<\/td>\n<\/tr>\n
Power Steering<\/td>\nRecommended for PS015<\/td>\n<\/tr>\n<\/table>\n<\/div>\n

Common diesel oil-related concerns and how AMSOIL products may help<\/h2>\n

Diesel engines face unique stresses including soot loading and high operating temperatures. The following table outlines how specific AMSOIL products can support your maintenance needs.<\/p>\n

\n\n\n\n\n\n
Concern<\/th>\nWhy it matters<\/th>\nAMSOIL Product<\/th>\nHow it may help<\/th>\nImportant Limitation<\/th>\n<\/tr>\n
Dirty Injectors<\/td>\nAffects fuel atomization and engine efficiency.<\/td>\nADFPCN-EA<\/a><\/td>\nCleans dirty injectors and lubricates pumps.<\/td>\nTreat rate varies by bottle size.<\/td>\n<\/tr>\n
Engine Wear<\/td>\nHigh compression and heat can degrade oil.<\/td>\nEFMQT-EA<\/a><\/td>\nProvides exceptional engine protection.<\/td>\nNot a mechanical repair.<\/td>\n<\/tr>\n
Cooling System Corrosion<\/td>\nProtects metals, gaskets, and hoses.<\/td>\nANTPC1G-EA<\/a><\/td>\nProtects all cooling system metals and gaskets.<\/td>\nCheck compatibility with other colors.<\/td>\n<\/tr>\n<\/table>\n<\/div>\n

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