Ensuring your 2007 Mercedes-Benz G500 receives the correct lubrication is critical for maintaining its performance and longevity. This vehicle, powered by the robust 5.0-liter V8 engine (Engine Code 4966cc N), demands fluids that can handle high stresses, extreme temperatures, and the specific requirements of European engineering. Using the proper synthetic lubricants helps protect critical internal components, ensures smooth operation of the transmission and differentials, and contributes to overall reliability in various driving conditions.
Recommended AMSOIL Products
- AMSOIL 5W-40 FS 100% Synthetic European Motor Oil – Designed specifically for the unique demands of gasoline, diesel, and hybrid European vehicles, offering a precise blend of synthetic base oils and premium additives.
- AMSOIL 0W-40 FS 100% Synthetic European Motor Oil – Provides exceptional protection in extreme temperatures with a formula tailored for European performance engines, ensuring optimal flow and lubrication.
- AMSOIL Oil Filter – Delivers 99% filtration efficiency at 20 microns, reduces engine wear, and offers extended service life compared to standard filters.
- WIX Oil Filter – Premium media offers improvements over original equipment manufacturer (OEM)-branded filters.
- MANN-FILTERS Oil Filter – Premium media offers improvements over original equipment manufacturer (OEM)-branded filters.
- MANN-FILTERS Air Filters – Premium media offers improvements over original equipment manufacturer (OEM)-branded filters.
- AMSOIL Passenger Car & Light Truck Antifreeze & Coolant – Unique poly-organic acid (OAT) formulation allows for use in a wide variety of vehicles.
- AMSOIL Propylene Glycol Antifreeze and Engine Coolant – Concentrated – requires mixing with distilled or high-quality water, protection up to 150,000 miles or 5 years.
- AMSOIL Signature Series Fuel-Efficient 100% Synthetic Automatic Transmission Fluid – Withstands heavy towing and elevated temperatures while remaining fluid in sub-zero conditions for the 5-speed 722.6 transmission.
- AMSOIL OE Fuel-Efficient 100% Synthetic Automatic Transmission Fluid – Protects against wear with a fuel-efficient formula.
- AMSOIL SEVERE GEAR® 75W-90 100% Synthetic Gear Lube – Offers advanced protection against wear and thermal runaway for both front and rear differentials, including applications with limited-slip mechanisms.
- AMSOIL DOT 3 and DOT 4 100% Synthetic Brake Fluid – Provides excellent ABS responsiveness and stable viscosity across a wide temperature range, meeting MB Sheet 331.0 specifications.
- AMSOIL 100% Synthetic Multi-Vehicle Power Steering Fluid – Helps seals remain soft to prevent leaks while resisting heat and providing strong anti-wear protection for quiet operation.
Engine Oil and Filtration Requirements
The heart of your 2007 G500 is the 5.0-liter V8 engine. This powerplant requires oil that can maintain its viscosity under high heat and heavy loads, which are common in this class of luxury SUV. The recommended capacity for the engine, including the filter change, is 8.5 quarts. When selecting a viscosity, the manufacturer specifies SAE 5W-40 for temperatures above -25°C (13°F), while 0W-40 or 5W-30 are suitable options for colder climates. For the oil drain plug, a torque specification of 27 ft/lbs is necessary to ensure a proper seal without damaging the threads.
AMSOIL 5W-40 FS 100% Synthetic European Motor Oil is engineered with a European formula that features a precise blend of synthetic base oils and premium additives. This product is designed to meet the specific demands of gasoline, diesel, and hybrid European vehicles. It provides superior protection against deposit formation and sludge, which is particularly beneficial for engines with high mileage. Similarly, the AMSOIL 0W-40 FS offers an alternative viscosity that flows more readily in cold starts, ensuring immediate lubrication to critical engine parts before the oil reaches operating temperature.
Filtration is equally important. The AMSOIL Oil Filter (EA15K39-EA) is constructed to provide a filtering efficiency of 99% at 20 microns. This high level of filtration allows for lower flow restriction, keeping engine parts well-lubricated, and offers greater capacity for capturing small, wear-causing contaminants than competing filters. This helps extend the life of your engine by keeping oil clean and flowing freely. Alternatively, the WIX Oil Filter offers premium media improvements over OEM-branded filters, and the MANN-FILTERS Oil Filter is also an excellent choice for high-performance filtration.
Transmission and Differential Maintenance
The automatic transmission in this G500 utilizes the 5-speed 722.6 gearbox. A complete fluid fill for this transmission requires 8.5 quarts. Maintaining this transmission is vital for smooth shifting and preventing costly repairs. The AMSOIL Signature Series Fuel-Efficient 100% Synthetic Automatic Transmission Fluid is formulated to withstand the rigors of heavy towing, elevated temperatures, and challenging terrain. It remains fluid in sub-zero temperatures, providing reserve protection during heavy use and abuse. The AMSOIL OE Fuel-Efficient 100% Synthetic Automatic Transmission Fluid also protects against wear with a fuel-efficient design.
The G500’s four-wheel-drive system relies on heavy-duty lubrication for its differentials. The front differential requires 3 pints, while the rear differential needs 3.8 pints of lubricant. Both units are specified for GLS44 lubricant suitable for all temperatures. Using AMSOIL SEVERE GEAR® 75W-90 100% Synthetic Gear Lube ensures advanced protection against wear and controls thermal runaway. This gear lube also contains friction modifiers for limited-slip applications, helping to reduce operating temperatures and protect against rust and corrosion for a longer equipment life.
Cooling, Braking, and Steering Systems
To keep the V8 engine from overheating, the cooling system must operate efficiently. The coolant capacity for the 2007 G500 is 12.7 quarts. For this capacity, AMSOIL Passenger Car & Light Truck Antifreeze & Coolant is an ideal choice. Its unique poly-organic acid (OAT) formulation allows for use in a wide variety of vehicles and is engineered to exceed OEM requirements. It protects all cooling system metals, gaskets, and hoses and is free of phosphates, nitrates, nitrites, silicates, borates, and amines. Alternatively, AMSOIL Propylene Glycol Antifreeze and Engine Coolant provides concentrated protection that requires mixing with distilled water.
Braking safety is paramount for a vehicle of this size. The system recommends using DOT 4 plus fluid, compatible with Mercedes-Benz Sheet 331.0. The AMSOIL DOT 3 and DOT 4 100% Synthetic Brake Fluid provides excellent responsiveness for ABS and traction-control systems, ensuring a stable viscosity over a wide temperature range. This stability is crucial for maintaining consistent pedal feel and stopping power in emergency situations.
Power steering fluid is another often-overlooked component. The G500 benefits from a fluid that reduces friction and helps seals remain soft to prevent leaks. AMSOIL 100% Synthetic Multi-Vehicle Power Steering Fluid is formulated for quiet operation and offers strong anti-wear protection, resisting heat for a long fluid life.
About the Vehicle
The 2007 Mercedes-Benz G500 represents the pinnacle of the G-Class’s evolution into a luxury SUV while retaining its rugged, off-road heritage. Introduced to the G-Class lineup, the G500 distinguished itself from the smaller four-cylinder and V6 variants by housing a formidable 5.0-liter M113 V8 engine. This engine produces a robust amount of power and torque, capable of propelling the heavy, boxy vehicle with surprising acceleration. The G500 sits on a permanent four-wheel-drive system with front and rear locking differentials, giving it the capability to tackle some of the world’s most difficult off-road terrains. Despite its immense size and weight, the chassis geometry is designed to maintain stability, though owners often note a heavier steering feel compared to more modern, electronically assisted systems.
For many enthusiasts, the G500 is the ultimate combination of luxury and utility. The cabin is designed with high-quality materials typical of Mercedes-Benz, offering a quiet and comfortable environment for both the driver and passengers. However, owning a G-Class also comes with specific maintenance challenges that make synthetic lubrication even more critical. One common issue for these vehicles is the stress placed on the engine valve train and timing chain components due to the high torque output of the V8. Using high-quality synthetic motor oil helps mitigate wear on these critical internal parts, extending the engine’s service life and reducing the likelihood of costly repairs.
Another frequent concern for G500 owners, particularly those with higher mileage, is the degradation of seals and gaskets over time. The synthetic nature of AMSOIL fluids is known to keep seals soft and pliable, which helps prevent leaks that can occur as rubber components age. Additionally, the 5-speed automatic transmission in these models can sometimes exhibit hesitation or harsh shifts if the fluid breaks down or becomes contaminated with clutch material. Regular fluid changes using a synthetic transmission fluid like AMSOIL’s Signature Series can help smooth out shifts and protect the delicate valve body and clutches from premature wear.
Furthermore, the G500’s braking system requires consistent performance to manage the vehicle’s mass safely. Brake fluid is hygroscopic, meaning it absorbs moisture from the air over time, which can lower the boiling point and lead to vapor lock in heavy braking situations. Switching to a synthetic brake fluid eliminates this risk, ensuring that the fluid remains stable even under the high temperatures generated by repeated stops. Finally, the air intake system on a V8 of this displacement benefits from clean air filtration. A high-quality air filter ensures that the engine receives the proper amount of air for combustion, maintaining optimal fuel efficiency and power delivery. By addressing these common maintenance areas with premium lubricants, G500 owners can enjoy the full potential of their vehicle for years to come.