The 2018 Mercedes-Benz C63 AMG is a high-performance sedan that demands precision engineering and superior lubrication. Powered by the handcrafted 4.0-liter V8 biturbo engine (Engine Code 177.980 C), this vehicle operates under extreme thermal and mechanical stress. Standard mineral oils often break down under the intense heat generated by the twin-scroll turbochargers and the high-revving nature of the engine. To maintain peak performance and ensure long-term durability, using a lubricant specifically designed for European high-performance vehicles is essential. AMSOIL synthetic lubricants provide superior protection against wear, deposits, and oil degradation, allowing owners to extend service intervals while safeguarding critical engine components.
Recommended AMSOIL Products
- AMSOIL 5W-40 FS 100% Synthetic European Motor Oil – Engineered specifically for the unique demands of gasoline, diesel, and hybrid European vehicles, featuring a precise blend of synthetic base oils and premium additives to protect against high-temperature breakdown.
- AMSOIL 0W-40 FS 100% Synthetic European Motor Oil – An ultra-high-performance synthetic motor oil that flows instantly in sub-zero temperatures while providing exceptional wear protection and thermal stability for the 4.0L V8 engine in extreme conditions.
- AMSOIL Signature Series Fuel-Efficient 100% Synthetic Automatic Transmission Fluid – Delivers outstanding protection for the 7-speed 722.9 transmission, withstanding heavy towing, elevated temperatures, and challenging terrain while maintaining fluidity in sub-zero conditions.
- AMSOIL OE Fuel-Efficient 100% Synthetic Automatic Transmission Fluid – A cost-effective yet high-performance alternative that protects against wear and ensures smooth shifting for vehicles requiring OE specifications.
- AMSOIL Passenger Car & Light Truck Antifreeze & Coolant – A unique poly-organic acid (OAT) formulation that protects cooling system metals, gaskets, and hoses for up to 150,000 miles or 5 years, ensuring optimal engine temperature regulation.
- AMSOIL Propylene Glycol Antifreeze and Engine Coolant – A concentrated coolant that requires mixing with distilled water, offering protection up to 150,000 miles in passenger cars and significantly surpassing standards for metallic corrosion and erosion.
- AMSOIL DOT 3 and DOT 4 100% Synthetic Brake Fluid – Provides excellent ABS and traction-control responsiveness with a stable viscosity over a wide temperature range, meeting MB Sheet 331.0 approval requirements.
When maintaining the 2018 C63 AMG, the specific capacities and fluid types play a critical role in the vehicle’s longevity. The engine oil change requires a substantial amount of lubricant due to the size of the V8 crankcase; the capacity is 9.5 quarts when including a filter change. It is vital to check the oil level after refilling and to torque the oil drain plug to the manufacturer’s specification of 22 ft/lbs to prevent leaks or stripped threads. For the cooling system, the requirements vary depending on whether the vehicle uses the High-Temperature Cooling Circuit (HTCC), which requires 11.6 quarts, or the Low-Temperature Cooling Circuit (LTCC), which requires 4.9 quarts. Using the correct pre-mix formulation ensures that the engine remains within its optimal operating temperature range, preventing overheating during aggressive driving or track use.
The 7-speed automatic transmission fluid in this model is particularly sensitive to fluid degradation. Whether the vehicle is equipped with the A89 reduced-friction code or not, the total fill capacity for the transmission is 7.5 quarts. Selecting a synthetic transmission fluid that maintains its viscosity under the high shear forces of the AMG torque converter and gearbox is crucial. AMSOIL’s synthetic options provide a protective film that standard fluids may not offer, reducing wear on the clutch plates and bands during rapid gear shifts. For the differential and transfer case, while specific product links were not available for the rear differential lubricant in the source data, the capacity is listed as 2.5 pints for the rear unit, emphasizing the need for high-quality gear lube in these hard-working components.
Brake performance is non-negotiable in an AMG vehicle. The brake system utilizes DOT 4 fluid, and AMSOIL brake fluid is formulated to meet these strict standards. It helps prevent moisture absorption, which can lead to a spongy pedal feel and lower boiling points during repeated hard braking. Beyond the fluids, seasonal preparation is important for any vehicle owner. For those planning to store the C63 AMG during off-seasons, AMSOIL Gasoline Stabilizer keeps gasoline fresh for up to 12 months, and AMSOIL Engine Fogging Oil protects internal engine components from rust during extended periods of inactivity. Additionally, fuel additives like the AMSOIL P.i. Performance Improver can restore horsepower and clean GDI fuel injectors, ensuring the engine breathes efficiently and runs as intended.
Vehicle Background: The 2018 Mercedes-Benz C63 AMG
The 2018 Mercedes-Benz C63 AMG represents a significant milestone in the history of high-performance sedans, marking the transition from the naturally aspirated 6.2-liter V8 to the new twin-turbocharged 4.0-liter V8 engine code 177.980. This shift in powertrain technology was part of Mercedes-AMG’s strategy to combine raw power with improved efficiency and lower emissions without sacrificing the thrilling driving dynamics that the brand is famous for. The “handcrafted” nature of these engines, famously built one-by-one by a single technician who signs a plaque on the engine block, underscores the premium quality and attention to detail that goes into every unit. The vehicle is widely recognized for its sharp handling, composed ride quality, and the distinctive exhaust note that announces its presence well before it reaches the driver.
Owners of the C63 AMG often describe it as a “wolf in sheep’s clothing”—a luxury sedan that can seamlessly transition into a track-day weapon. The 4.0-liter V8 produces substantial horsepower and torque figures, delivering rapid acceleration that rivals dedicated sports cars. This performance comes with high thermal loads, particularly for the cooling system and the oil, which must withstand the heat generated by the intercooled turbochargers. The 7-speed automatic transmission, often an AMG Speedshift MCT in later iterations, is paired to deliver these power outputs with lightning-fast shifts. The car’s stance and aerodynamics are designed for stability at high speeds, making it a favorite among enthusiasts who value both daily drivability and weekend performance.
Despite its robust build, the C63 AMG, like many high-performance vehicles, has specific areas where owners often encounter issues that can be mitigated with high-quality lubricants. One common concern with the M177 engine is the potential for carbon buildup on the intake valves, a known issue in direct injection engines. Using high-quality synthetic motor oil with superior detergent properties and regular use of fuel system cleaners can help minimize this accumulation, maintaining optimal airflow and combustion efficiency. Another area of focus is the cooling system. The high-performance nature of the engine means the cooling system operates at the limits of its design. Upgrading to a high-performance antifreeze with excellent heat transfer properties can help prevent overheating during spirited driving or in hot climates, extending the life of the water pump, radiator, and thermostat.
Furthermore, the transmission in this vehicle is subjected to immense torque loads. Over time, the fluid can break down, leading to shudder or harsh shifting. Regular fluid exchanges using a premium synthetic transmission fluid can help maintain the fluid’s friction modifiers and anti-wear additives, ensuring smooth power delivery. Additionally, the rear differential and other moving parts benefit from consistent lubrication to prevent premature wear of gears and bearings. By addressing these potential pain points with the correct AMSOIL products, C63 AMG owners can keep their vehicles running smoothly, preserve their performance characteristics, and potentially avoid costly repairs down the road. The synergy between the vehicle’s engineering and advanced synthetic lubricants creates a maintenance regimen that respects the vehicle’s capabilities while protecting its long-term investment value.