{"id":406,"date":"2026-06-09T07:42:40","date_gmt":"2026-06-09T11:42:40","guid":{"rendered":"https:\/\/www.worldsbestdieseloil.com\/oil-guide\/1983-mercedes-benz-300sd-3-0l-5-cyl-diesel-turbo-maintenance-guide\/"},"modified":"2026-06-11T00:14:30","modified_gmt":"2026-06-11T04:14:30","slug":"1983-mercedes-benz-300sd-3-0l-5-cyl-diesel-turbo-maintenance-guide","status":"publish","type":"post","link":"https:\/\/www.worldsbestdieseloil.com\/oil-guide\/1983-mercedes-benz-300sd-3-0l-5-cyl-diesel-turbo-maintenance-guide\/","title":{"rendered":"1983 Mercedes Benz 300SD 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

For the 1983 Mercedes Benz 300SD with the 3.0L 5-cylinder Engine Code 617.951 H Diesel Turbo, the engine oil capacity is 7.9 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

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

The 1983 Mercedes Benz 300SD with the 617.951 H engine requires specific viscosities based on operating temperatures. The AMSOIL lookup oil grade is SEO41. For all temperature ranges, 0W-30 and 0W-40 are suitable. If operating above -20\u00b0C, use 10W-40. For temperatures above -25\u00b0C, options include 5W-30, 5W-40, or 5W-50.<\/p>\n

AMSOIL product recommendations<\/h2>\n

Based on the vehicle specifications, AMSOIL offers several high-performance synthetic options to maintain your Mercedes diesel engine and its supporting systems.<\/p>\n

Engine Oil Recommendations<\/h3>\n
\n\n\n\n\n
Product Name<\/th>\nViscosity<\/th>\nCode<\/th>\n<\/tr>\n
AMSOIL 5W-40 FS 100% Synthetic European Motor Oil<\/td>\n5W-40<\/a><\/td>\nEFMQT-EA<\/a><\/td>\n<\/tr>\n
AMSOIL 0W-40 FS 100% Synthetic European Motor Oil<\/td>\n0W-40<\/a><\/td>\nEFOQT-EA<\/a><\/td>\n<\/tr>\n<\/table>\n<\/div>\n

Transmission & Coolant Recommendations<\/h3>\n
\n\n\n\n\n\n\n
Component<\/th>\nProduct Name<\/th>\nCode<\/th>\n<\/tr>\n
Automatic Transmission<\/td>\nAMSOIL Signature Series Multi-Vehicle ATF<\/td>\nATFPK-EA<\/a><\/td>\n<\/tr>\n
Automatic Transmission<\/td>\nAMSOIL OE Multi-Vehicle ATF<\/td>\nOTFQT-EA<\/a><\/td>\n<\/tr>\n
Engine Coolant<\/td>\nAMSOIL Passenger Car & Light Truck Antifreeze<\/td>\nANTPC1G-EA<\/a><\/td>\n<\/tr>\n
Engine Coolant<\/td>\nAMSOIL Propylene Glycol Antifreeze<\/td>\nANT1G-EA<\/a><\/td>\n<\/tr>\n<\/table>\n<\/div>\n

Brake & Steering Recommendations<\/h3>\n
\n\n\n\n\n
Component<\/th>\nProduct Name<\/th>\nCode<\/th>\n<\/tr>\n
Brake Fluid<\/td>\nAMSOIL DOT 3 and DOT 4 Synthetic Brake Fluid<\/td>\nBFLVCN-EA<\/a><\/td>\n<\/tr>\n
Power Steering<\/td>\nAMSOIL 100% Synthetic Multi-Vehicle Power Steering Fluid<\/td>\nPSFCN-EA<\/a><\/td>\n<\/tr>\n<\/table>\n<\/div>\n

Engine Oil Specifications & Details<\/h3>\n
\n\n\n\n\n\n
Detail<\/th>\nValue<\/th>\n<\/tr>\n
Oil Viscosity Options<\/td>\n0W-30, 0W-40 (All Temps); 10W-40 (> -20\u00b0C); 5W-30, 5W-40, 5W-50 (> -25\u00b0C)<\/td>\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

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

No specific AMSOIL filter recommendations are available for the oil filter or air filter at this time. Please consult your owner’s manual for part numbers.<\/p>\n

How much transmission fluid does it take?<\/h2>\n

For the 4-speed automatic transmission (722.3), the total fill capacity is 7.7 quarts, while the initial fill capacity is 6.6 quarts. The AMSOIL lookup note references the 722.3 specification for this application.<\/p>\n

What are the coolant and brake fluid requirements?<\/h2>\n

The engine cooling system has a capacity of 13.2 quarts. For braking, the vehicle requires DOT 4 plus or products approved on MB Sheet 331.0. The AMSOIL lookup note references these requirements for your application.<\/p>\n

Coolant & Brake Fluid Specifications<\/h3>\n
\n\n\n\n\n
Component<\/th>\nCapacity<\/th>\nNotes<\/th>\n<\/tr>\n
Coolant<\/td>\n13.2 quarts<\/td>\nNot confirmed from source data for specific type beyond AMSOIL options.<\/td>\n<\/tr>\n
Brake Fluid<\/td>\nNot confirmed from source data<\/td>\nUse DOT 4 plus or MB Sheet 331.0 approved products.<\/td>\n<\/tr>\n<\/table>\n<\/div>\n

Differential & Transfer Case<\/h3>\n

The rear transfer case capacity is listed at 2.3 pints. No specific lubricant recommendations were provided in the source data for this component.<\/p>\n

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