fits model: Cls63, E63, S63, Amg, Rwd. make: Mercedes. year: 2012–2019.

( Manufacturer Part Number: M157.981 ), ( Type: Complete Assembly ), ( Manufacturer Warranty: 1 Month ), ( Engine Size: 5.5 L ), ( Fuel Type: Gasoline )
The Mercedes-Benz M157.981 12-19 CLS63, E63, S63 AMG RWD is a high-performance automobile engine produced by Mercedes-AMG, a performance division of Mercedes-Benz. This engine is a part of the second generation M157 family and was in production from 2012 to 2019.
The M157.981 engine is a 5.5-liter (5461 cc) V8 biturbo unit that delivers an impressive output. It generates a maximum power of 536 horsepower (hp) at 5500 rpm and a peak torque of 590 lb-ft (800 Nm) between 2200 and 4500 rpm. This massive power and torque are the result of various engineering advancements, including twin turbocharging, direct fuel injection, and advanced combustion technology.
The M157.981 engine features a unique design with a closed-deck cylinder block and an all-aluminum crankcase. It also integrates an AMG-specific cylinder head design with four valves per cylinder and camshaft adjustment via a continuously variable valve timing system (CVTCS). The engine's intake manifold is made from lightweight magnesium, and it is equipped with a dry sump oiling system for optimal lubrication at high speeds.
The twin-turbocharging system consists of two turbochargers with variable turbine geometry (VTG) that can adjust the turbine blade angle in response to engine load and speed. This innovative feature ensures efficient power delivery across the entire rev range. The exhaust system is also designed for optimal performance, with a high-performance catalytic converter and a tailpipe with integrated exhaust flaps.
The M157.981 engine is integrated with Mercedes-AMG's Performance 4MATIC all-wheel-drive system or the AMG Performance 4ETS rear-wheel-drive system, depending on the specific model. These systems provide excellent traction and handling capabilities, allowing the vehicle to accelerate from 0 to 60 mph in just 3.6 seconds and achieve a top speed of 186 mph.
In summary, the Mercedes-Benz M157.981 12-19 CLS63, E63, S63 AMG RWD engine is a high-performance unit that delivers an impressive power output, thanks to its advanced engineering features such as twin turbocharging, direct fuel injection, and variable valve timing. It is a sophisticated and powerful engine that sets the benchmark for performance in the luxury automobile segment.
The Mercedes-Benz M157.981 12-19 CLS63, E63, S63 AMG RWD cars, which feature the M157 engine, are high-performance automobiles that offer a unique blend of luxury, power, and agility. Here are some pros and cons that may help you make an informed decision about purchasing one.
Pros:1. Power and Performance: The M157 engine delivers impressive power and torque, providing quick acceleration and thrilling driving dynamics.
2. Luxurious Interior: These cars come with a well-appointed cabin, featuring high-quality materials and advanced technology, ensuring a comfortable and enjoyable driving experience.
3. Rear-Wheel Drive: The RWD layout offers enhanced handling and agility, making these cars a joy to drive, especially on winding roads.
4. Advanced Safety Features: Mercedes-Benz is known for its safety technology, and these vehicles are no exception. They come equipped with various safety features, such as Collision Prevention Assist, Attention Assist, and Lane Keeping Assist.
Cons:1. Fuel Economy: With great power comes great fuel consumption. These cars have relatively poor fuel economy, which can lead to high operating costs.
2. Maintenance Costs: High-performance engines require regular maintenance, and the cost of parts and labor for these cars can be substantial.
3. Size and Maneuverability: The size of these vehicles can make them challenging to park and maneuver in tight spaces.
4. Price: These cars are not inexpensive, and their high price tag may be a barrier for some potential buyers.
In conclusion, the Mercedes-Benz M157.981 12-19 CLS63, E63, S63 AMG RWD cars offer an exhilarating driving experience with their powerful engines, luxurious interiors, and advanced safety features. However, they come with drawbacks such as high fuel consumption, maintenance costs, and price.
If you are someone who values power, performance, and luxury, and you have the means to afford the operating costs, then these cars could be an excellent choice for you. However, if you prioritize fuel efficiency, low maintenance costs, or a smaller vehicle, you may want to consider other options.
My recommendation would be for you to test drive one of these cars to experience the power, handling, and luxury firsthand. This will help you determine if the benefits outweigh the drawbacks for your specific needs and preferences.
Residential delivery and lift gate service at an extra charge. 12-19 MERCEDES-BENZ CLS63 E63 S63 AMG RWD M157 ENGILE MOTOR ASSEMBLY OEM NOTE. ENGINE HAS MISS FIRE ON CYLINDER 1 AND 5.