{"id":320,"date":"2026-05-30T17:32:33","date_gmt":"2026-05-30T21:32:33","guid":{"rendered":"https:\/\/www.worldsbestdieseloil.com\/oil-guide\/1985-mercedes-benz-300d-3-0l-5-cyl-diesel-turbo-maintenance-guide\/"},"modified":"2026-05-30T17:32:33","modified_gmt":"2026-05-30T21:32:33","slug":"1985-mercedes-benz-300d-3-0l-5-cyl-diesel-turbo-maintenance-guide","status":"publish","type":"post","link":"https:\/\/www.worldsbestdieseloil.com\/oil-guide\/1985-mercedes-benz-300d-3-0l-5-cyl-diesel-turbo-maintenance-guide\/","title":{"rendered":"1985 Mercedes Benz 300d 3.0L Diesel Maintenance Guide: Oil & Fluid Specs"},"content":{"rendered":"
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\"AMSOIL
AMSOIL diesel oil guide for trucks, vans, SUVs and diesel engines<\/figcaption><\/figure>\n

What oil does a 1985 Mercedes Benz 300d take?<\/h2>\n

For the 1985 Mercedes Benz 300d with the 3.0L 5-cylinder diesel turbo engine, the required oil capacity is 8.3 quarts<\/strong> (including filter replacement). Recommended viscosities include 0W-30 or 0W-40<\/strong> for all temperatures, 10W-40<\/strong> for temperatures above -20\u00b0C, and 5W-30, 5W-40, or 5W-50<\/strong> 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

AMSOIL product recommendations<\/h2>\n

Based on the vehicle specifications, the following AMSOIL products are recommended for your 1985 Mercedes Benz 300d:<\/p>\n

Engine Oil<\/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<\/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

Automatic Transmission Fluid<\/h3>\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<\/table>\n<\/div>\n

Brake & Steering Fluids<\/h3>\n
\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
AMSOIL 100% Synthetic Multi-Vehicle Power Steering Fluid<\/td>\nPSFCN-EA<\/a><\/td>\n<\/tr>\n<\/table>\n<\/div>\n

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

Proper lubrication is critical for the longevity of the 3.0L 5-cylinder diesel turbo engine. Always verify your specific operating environment to select the correct viscosity.<\/p>\n

Oil Viscosity Guide<\/h3>\n
\n\n\n\n\n\n
Condition<\/th>\nViscosity Range<\/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

AMSOIL lookup oil grade:<\/strong> SEO41<\/p>\n

Oil Capacity & Service Notes<\/h3>\n