1982 Mercedes Benz 240d 2.4L Diesel Engine Maintenance Guide

AMSOIL diesel oil guide for 1982 Mercedes Benz 240d
AMSOIL diesel oil guide for trucks, vans, SUVs and diesel engines

What oil does a 1982 Mercedes Benz 240d take?

The 1982 Mercedes Benz 240d with the 2.4L 4-cylinder engine (Code 616.912 A Diesel) requires an oil capacity of 6.9 quarts when changing with a filter. Recommended viscosities include 0W-30 or 0W-40 for all temperatures, 10W-40 for temperatures above -20°C, and 5W-30, 5W-40, or 5W-50 for temperatures above -25°C. AMSOIL recommends using their 100% Synthetic European Motor Oil formulas.

AMSOIL product recommendations

Based on the vehicle specifications, the following AMSOIL products are recommended for your Mercedes Benz 240d maintenance:

Component Product Name Part Code
Engine Oil AMSOIL 5W-40 FS 100% Synthetic European Motor Oil EFMQT-EA
Engine Oil AMSOIL 0W-40 FS 100% Synthetic European Motor Oil EFOQT-EA
Coolant AMSOIL Passenger Car & Light Truck Antifreeze & Coolant ANTPC1G-EA
Coolant AMSOIL Propylene Glycol Antifreeze and Engine Coolant ANT1G-EA
Automatic Transmission AMSOIL Signature Series Multi-Vehicle 100% Synthetic ATF ATFPK-EA
Automatic Transmission AMSOIL OE Multi-Vehicle 100% Synthetic ATF OTFQT-EA
Manual Transmission AMSOIL Signature Series Multi-Vehicle 100% Synthetic ATF ATFPK-EA
Manual Transmission AMSOIL OE Multi-Vehicle 100% Synthetic ATF OTFQT-EA
Brake/Clutch Fluid AMSOIL DOT 3 and DOT 4 100% Synthetic Brake Fluid BFLVCN-EA
Power Steering AMSOIL 100% Synthetic Multi-Vehicle Power Steering Fluid PSFCN-EA

Note: Oil filters, air filters, and transmission filters have no specific recommendations available from the source data.

Engine Oil Specifications & Details

Maintaining the correct oil viscosity is critical for the longevity of the OM616 diesel engine. Proper lubrication helps manage the unique thermal demands of this vintage diesel powerplant.

Oil Viscosity Guide

Condition Recommended Viscosity
All Temperatures 0W-30, 0W-40
Above -20°C 10W-40
Above -25°C 5W-30, 5W-40, 5W-50

AMSOIL lookup oil grade: SEO41

Oil Capacity and Service Notes

  • Capacity: 6.9 quarts (with filter).
  • Oil Cooler Note: On models with an oil cooler, additional oil may be needed when the cooler is drained.
  • Checking Level: Allow 5 minutes after refilling or turning the engine off before checking the oil level.
  • Drain Plug Torque: 30 ft/lbs.

Transmission and Differential Fluids

The 1982 Mercedes Benz 240d utilizes specific transmission configurations that require precise fluid types for smooth operation.

Automatic Transmission (722.1)

  • Total Fill Capacity: 6.4 quarts
  • Initial Fill Capacity: 5.1 quarts
  • Specification Note: For Automatic Transmission, the lookup references 722.1….AF3.

Manual Transmission (716.005)

  • Capacity: 2.7 pints
  • Specification Note: The lookup references 716.005 (4-SPD)….GLS50 All TEMPS.

Differential/Transfer Case

  • Rear Capacity: 2.3 pints

Coolant and Brake System Specifications

Proper cooling and braking performance are essential for the safety and reliability of the W123 chassis.

Engine Coolant

  • Capacity: 10.6 quarts
  • AMSOIL Propylene Glycol Note: This is a concentrated formula requiring mixing with distilled or high-quality water.

Brake and Clutch Fluid

The AMSOIL lookup note for brake fluid specifies the following:

  • Requirement: Use DOT 4 plus, 0009895605090109 (previously 0009895605110111, 000989080701) or products approved on MB Sheet 331.0.
  • Clutch Note: Recommended for HB; notes indicate Hydraulic Brake Fluid, DOT 3.

Common diesel oil-related concerns and how AMSOIL products may help

Concern Why it matters AMSOIL product from this lookup How it may help Important limitation
Cold Starts Thick oil can cause wear during startup in low temperatures. EFOQT-EA Provides flow in sub-zero conditions. Diagnosis may be required for mechanical issues.
Engine Wear Diesel engines face high pressure and friction. EFMQT-EA Designed for unique demands of diesel European vehicles. Does not repair existing damage.
Cooling System Corrosion Metal, gaskets, and hoses can degrade over time. ANTPC1G-EA Protects all cooling system metals, gaskets and hoses. Does not fix leaks.

Diesel maintenance notes for this vehicle

The OM616 engine is a robust inline-four diesel known for its mechanical simplicity. While these engines are famous for reaching high mileages, owners should focus on the following:

  • Fuel System: Maintaining the diesel fuel system is vital for long-term service.
  • Cooling Components: Regular inspection of cooling components is recommended to prevent overheating.
  • Traditional Upkeep: This model predates modern BlueTEC technology, so maintenance focuses on traditional mechanical diesel upkeep rather than complex electronic sensor management.

Common maintenance concerns for this vehicle

Based on the historical context of the W123 series and OM616 engine:

  • Cooling System Integrity: Given the age of these vehicles, monitoring hoses and gaskets is a practical check.
  • Fuel Quality: Maintaining clean fuel systems is essential for diesel longevity.
  • Fluid Leaks: Regular checks of transmission and differential seals are advised due to the vehicle’s age.

About this vehicle

The 1982 Mercedes-Benz 240d is a notable representative of the W123 series, an executive car range produced by Mercedes-Benz between 1975 and 1986. This specific model features the OM616 engine, which belongs to a family of inline-four diesel engines widely utilized throughout the 1970s and 1980s. The OM616 is recognized as a bored-out evolution of the earlier 2.2-litre OM615 engine. In Mercedes-Benz nomenclature, ‘OM’ stands for ‘Öl-Motor’ (Oil Motor), reflecting its diesel operation.

The W123 chassis earned a global reputation for exceptional durability and reliability. This longevity is evidenced by its historical popularity among taxi companies in Germany, where vehicles frequently reached 500,000 kilometers or more with only minor mechanical attention. Because of this robust build quality, many W123 models were often exported to Africa and other regions for use on rougher roads, where they remained highly esteemed for their ability to function with infrequent maintenance requirements.

From a maintenance perspective, owners should focus on the mechanical simplicity and ruggedness inherent in the OM616 engine design. While this vehicle is celebrated for its ability to endure high mileage, maintaining the diesel fuel system and cooling components is vital for long-term service. Users should verify exact chassis and engine specifications through official Mercedes-Benz service manuals or specialized enthusiast documentation, as regional variations may exist.

Recall, TSB, and manufacturer communication notes

Official NHTSA recall research for the 1982 Mercedes Benz 240d returned no recall records. Additionally, no complaint records were found in the NHTSA complaints API for this specific year/make/model combination. However, this does not prove the vehicle has no issues; it only means these specific searches returned no results. Owners should always verify open recalls by VIN through official Mercedes-Benz channels.

Common questions about this vehicle’s diesel oil and maintenance

How much oil does my 1982 240d take?

The engine requires 6.9 quarts of oil when performing a service that includes a filter change.

What is the correct oil viscosity for cold weather?

For temperatures above -25°C, viscosities like 5W-30 or 5W-40 are recommended. For all temperatures, 0W-30 or 0W-40 can be used.

Does this vehicle use BlueTEC technology?

No, this vintage model predates modern emissions technologies like BlueTEC; maintenance focuses on traditional mechanical diesel upkeep.

What is the torque spec for the oil drain plug?

The oil drain plug should be torqued to 30 ft/lbs.

Can I use a concentrated coolant?

Yes, AMSOIL Propylene Glycol Antifreeze (ANT1G-EA) is a concentrated formula that requires mixing with distilled or high-quality water.

How do I verify if there are any active recalls?

Owners should always verify open recalls by checking their specific VIN through official manufacturer or NHTSA resources.


Disclaimer: This information is derived from provided source data. Always consult your vehicle’s original owner documentation or a professional mechanic before performing maintenance.

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