{"id":517,"date":"2026-06-17T19:38:36","date_gmt":"2026-06-17T23:38:36","guid":{"rendered":"https:\/\/www.worldsbestdieseloil.com\/oil-guide\/2012-mercedes-benz-gl350-diesel-maintenance-guide\/"},"modified":"2026-06-17T19:38:36","modified_gmt":"2026-06-17T23:38:36","slug":"2012-mercedes-benz-gl350-diesel-maintenance-guide","status":"publish","type":"post","link":"https:\/\/www.worldsbestdieseloil.com\/oil-guide\/2012-mercedes-benz-gl350-diesel-maintenance-guide\/","title":{"rendered":"2012 Mercedes Benz GL350 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

For the 2012 Mercedes Benz GL350 with the 3.0L 6-cylinder engine (Code 642.820 J Diesel Turbo), the oil capacity is 9 quarts with a filter change. AMSOIL recommends using AMSOIL 0W-30 MS 100% Synthetic European Motor Oil<\/a> (EOTQT-EA<\/a>) for exceptional engine protection that does not harm emissions systems. Recommended viscosities include 0W-30 and 0W-40 for all temperatures.<\/p>\n

What oil does a 2012 Mercedes Benz GL350 take?<\/h2>\n

The 2012 Mercedes Benz GL350 with the 642.820 J diesel engine requires specific viscosities depending on your ambient operating temperature. The AMSOIL lookup lists several options to ensure proper lubrication across various climates.<\/p>\n

AMSOIL product recommendations<\/h2>\n

Based on the AMSOIL lookup for your Mercedes Benz GL350, here are the recommended products to maintain your diesel engine and drivetrain components.<\/p>\n

\n\n\n\n\n\n\n\n\n
Component<\/th>\nProduct Name<\/th>\nPart Number<\/th>\n<\/tr>\n
Engine Oil<\/td>\nAMSOIL 0W-30 MS 100% Synthetic European Motor Oil<\/a><\/td>\nEOTQT-EA<\/a><\/td>\n<\/tr>\n
Oil Filter<\/td>\nMANN-FILTERS Oil Filter<\/td>\nHU821X-EA<\/a><\/td>\n<\/tr>\n
Antifreeze<\/td>\nAMSOIL Passenger Car & Light Truck Antifreeze & Coolant<\/td>\nANTPC1G-EA<\/a><\/td>\n<\/tr>\n
Antifreeze (Concentrate)<\/td>\nAMSOIL Propylene Glycol Antifreeze and Engine Coolant<\/td>\nANT1G-EA<\/a><\/td>\n<\/tr>\n
Automatic Transmission Fluid<\/td>\nAMSOIL Signature Series Fuel-Efficient 100% Synthetic ATF<\/td>\nATLPK-EA<\/a><\/td>\n<\/tr>\n
Automatic Transmission Fluid<\/td>\nAMSOIL OE Fuel-Efficient 100% Synthetic ATF<\/td>\nOTLQT-EA<\/a><\/td>\n<\/tr>\n<\/table>\n<\/div>\n

Engine Oil Viscosity Options<\/h3>\n
\n\n\n\n\n\n\n\n
Temperature Range<\/th>\nRecommended Viscosities<\/th>\n<\/tr>\n
All Temperatures<\/td>\n0W-30, 0W-40<\/td>\n<\/tr>\n
Above -25\u00b0C<\/td>\n5W-30, 5W-40, 5W-50<\/td>\n<\/tr>\n
Above -20\u00b0C<\/td>\n10W-30, 10W-40, 10W-50, 10W-60<\/td>\n<\/tr>\n
Above -15\u00b0C<\/td>\n15W-30, 15W-40, 15W-50<\/td>\n<\/tr>\n
Above -5\u00b0C<\/td>\n20W-40, 20W-50<\/td>\n<\/tr>\n<\/table>\n<\/div>\n

Engine Oil Capacity and Specs<\/h3>\n
\n\n\n\n\n\n
Detail<\/th>\nSpecification<\/th>\n<\/tr>\n
Oil Capacity<\/td>\n9 quarts (with filter)<\/td>\n<\/tr>\n
Oil Grade<\/td>\nSEO59 (AMSOIL lookup oil grade)<\/td>\n<\/tr>\n
Drain Plug Torque<\/td>\n24 MM Plug – 33 ft\/lbs<\/td>\n<\/tr>\n<\/table>\n<\/div>\n

Note: After refilling, always check the oil level.<\/em><\/p>\n

Oil Filter and Air Filter Specifications<\/h2>\n

Using a high-quality filter is essential for maintaining engine cleanliness and meeting OEM drain intervals on your BlueTEC diesel engine.<\/p>\n

Oil Filter Recommendation<\/h3>\n
\n\n\n\n
Product<\/th>\nPart Number<\/th>\n<\/tr>\n
MANN-FILTERS Oil Filter<\/td>\nHU821X-EA<\/a><\/td>\n<\/tr>\n<\/table>\n<\/div>\n

The MANN-FILTERS premium media is designed to help reduce engine wear and offers OEM drain intervals.<\/p>\n

Air Filter Information<\/h3>\n

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

Transmission and Transfer Case Fluids<\/h2>\n

The GL350 utilizes a 7-speed automatic transmission (722.9). The required fluid color and type depend on your specific vehicle datacard code.<\/p>\n

Automatic Transmission Fluid (722.9)<\/h3>\n
\n\n\n\n\n
Condition<\/th>\nFluid Color<\/th>\nCapacity<\/th>\n<\/tr>\n
Without A89 Code<\/td>\nRed<\/td>\n9.5 quarts (Total Fill)<\/td>\n<\/tr>\n
With A89 Code (Reduced-Friction)<\/td>\nBlue<\/td>\n9.5 quarts (Total Fill)<\/td>\n<\/tr>\n<\/table>\n<\/div>\n

For these applications, AMSOIL lists ATLPK-EA<\/a> and OTLQT-EA<\/a>.<\/p>\n

Transfer Case Lubricant<\/h3>\n
\n\n\n\n\n
Configuration<\/th>\nCapacity<\/th>\n<\/tr>\n
Double Speed (SL055)<\/td>\n3.2 pints<\/td>\n<\/tr>\n
Single Speed (SL055)<\/td>\n1.1 pints<\/td>\n<\/tr>\n<\/table>\n<\/div>\n

The AMSOIL lookup lists ATLPK-EA<\/a> and OTLQT-EA<\/a> for transfer case service.<\/p>\n

Coolant Specifications<\/h2>\n

Maintaining the cooling system is vital for protecting engine metals, gaskets, and hoses. The capacity for this vehicle is 10 quarts.<\/p>\n

\n\n\n\n\n
Product<\/th>\nType\/Notes<\/th>\n<\/tr>\n
ANTPC1G-EA<\/a><\/td>\n50\/50 Pre-mix (Ethylene Glycol)<\/td>\n<\/tr>\n
ANT1G-EA<\/a><\/td>\nConcentrated (Requires mixing with distilled water)<\/td>\n<\/tr>\n<\/table>\n<\/div>\n

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

Diesel engines, particularly BlueTEC models, face unique challenges regarding soot and emissions hardware.<\/p>\n

\n\n\n\n\n\n
Concern<\/th>\nWhy it matters<\/th>\nAMSOIL Product<\/th>\nHow it may help<\/th>\nLimitation<\/th>\n<\/tr>\n
Emissions System Health<\/td>\nSoot and deposits can clog DPF\/SCR systems.<\/td>\nEOTQT-EA<\/a><\/td>\nDesigned for European vehicles without harming emissions systems.<\/td>\nDoes not repair existing clogs.<\/td>\n<\/tr>\n
Extreme Temperatures<\/td>\nViscosity changes can affect lubrication during startup.<\/td>\nEOTQT-EA<\/a><\/td>\nProvides 0W viscosity for all temperatures.<\/td>\nN\/A<\/td>\n<\/tr>\n
Transmission Wear<\/td>\nHeavy towing and heat stress the 722.9 unit.<\/td>\nATLPK-EA<\/a><\/td>\nWithstands heavy towing and elevated temperatures.<\/td>\nN\/A<\/td>\n<\/tr>\n<\/table>\n<\/div>\n

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