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The Mercedes-Benz E-Class W213 E 63 S AMG is a masterpiece of performance engineering. With its roaring 4.0-liter twin-turbocharged V8 engine, exquisite design, and state-of-the-art technology, this vehicle represents the pinnacle of luxury and power in the sedan segment. However, like all high-performance vehicles, the E 63 S AMG is not immune to mechanical and electrical issues. Owners have reported a variety of recurring problems, some minor and others more significant, that may arise over time. This article delves deeply into these common problems, their causes, and practical solutions to keep your E 63 S AMG running at peak performance.
Mercedes E-Class W213 E 63 S AMG Engine and Performance Problems
The hand-crafted AMG V8 engine is the crown jewel of the E 63 S AMG, delivering unparalleled power and a thrilling driving experience. However, even this engineering marvel has its challenges.
One of the most commonly reported issues with the W213 E 63 S AMG is excessive oil consumption. Many owners have noted the need to frequently top up engine oil, particularly during spirited driving or extended use. This problem can be attributed to the high-performance nature of the engine, which places significant stress on internal components. Over time, piston rings and valve seals may wear, allowing oil to seep into the combustion chamber. To address this issue, regular oil checks and timely oil changes with the manufacturer-recommended synthetic oil are essential. If oil consumption becomes excessive, a thorough inspection of the piston rings and valve seals may be required, with replacement as necessary.
Turbocharger problems are another potential concern. The twin-turbo setup in the E 63 S AMG is designed for maximum performance, but turbochargers are prone to wear over time, particularly if the vehicle is not properly maintained. Symptoms of failing turbochargers include reduced power, increased exhaust smoke, and a whistling noise during acceleration. The primary causes of turbocharger failure are oil contamination, insufficient lubrication, or debris damage. Replacing a faulty turbocharger can be expensive, but routine maintenance, including timely oil changes and the use of high-quality filters, can significantly extend the lifespan of these components.
Another issue that can impact performance is carbon buildup on the intake valves. As the W213 E 63 S AMG uses direct fuel injection, fuel is sprayed directly into the combustion chamber rather than onto the intake valves. Over time, oil vapors and carbon deposits can accumulate on the valves, leading to reduced airflow, poor fuel economy, and engine misfires. The solution to this problem is a professional intake valve cleaning, often referred to as walnut blasting. Using a catch can to reduce oil vapor deposits can help prevent carbon buildup in the first place.
Mercedes E-Class W213 E 63 S AMG Transmission Issues
The AMG Speedshift MCT 9-speed automatic transmission in the W213 E 63 S AMG is designed to handle immense power and deliver rapid gear changes. However, owners have reported certain transmission-related problems.
One common issue is harsh or delayed shifting, particularly during aggressive driving or in lower gears. This problem is often related to the transmission control unit (TCU), which may require a software update to improve shift logic and responsiveness. Additionally, low or degraded transmission fluid can lead to rough shifting and increased wear on internal components. Performing regular transmission fluid changes as specified by the manufacturer can prevent these issues and ensure smooth operation.
Another reported issue is transmission overheating during prolonged high-performance driving. This is particularly relevant for owners who frequently take their E 63 S AMG to the track. Overheating can occur when the transmission cooling system is unable to dissipate heat effectively, leading to reduced performance and potential long-term damage. Installing an aftermarket transmission cooler or ensuring the existing cooling system is functioning optimally can help address this issue.
Mercedes E-Class W213 E 63 S AMG Suspension and Handling Problems
The W213 E 63 S AMG is equipped with AMG Ride Control, which combines air suspension and adaptive damping for an exceptional blend of comfort and performance. However, this sophisticated system is not without its problems.
One common issue is air suspension failure. Owners may notice the car sagging on one side, uneven ride height, or a warning message on the dashboard indicating a suspension problem. These symptoms are often caused by leaks in the air struts or a failing air compressor. Over time, the rubber components of the air struts can degrade, allowing air to escape and compromising the system’s ability to maintain proper ride height. Replacing the faulty air struts or compressor is necessary to restore functionality. Regular inspections can help detect small leaks before they become significant problems.
Another problem reported by some owners is excessive tire wear, particularly on the inner edges of the tires. This issue is often related to improper alignment or suspension settings. The high-performance nature of the E 63 S AMG means that alignment settings can shift over time, especially if the vehicle is driven aggressively. Performing a professional alignment and ensuring the suspension components are in good condition can help prevent uneven tire wear.
Mercedes E-Class W213 E 63 S AMG Electrical and Technology Issues
The W213 E 63 S AMG is packed with cutting-edge technology, from its advanced infotainment system to a suite of driver assistance features. While these systems enhance the driving experience, they also introduce a layer of complexity that can lead to problems.
One frequently reported issue is glitches in the MBUX infotainment system. Owners have experienced problems such as the system freezing, failing to connect to smartphones via Bluetooth, or the touchscreen becoming unresponsive. These glitches are often caused by outdated software or minor hardware faults. Updating the system software or resetting the unit can resolve most issues. If the problem persists, a hardware repair or replacement may be necessary.
Adaptive cruise control and other driver assistance systems in the W213 E 63 S AMG can also develop problems. For example, some owners have reported instances where the adaptive cruise control fails to detect vehicles ahead or applies braking unexpectedly. These issues are often caused by sensor misalignment, dirt, or software bugs. Cleaning the sensors and ensuring they are properly aligned can resolve most problems. In cases where the issue is software-related, performing a system update is recommended.
Battery drain is another electrical issue that has been reported by some owners. The advanced electronics in the E 63 S AMG can place a high demand on the battery, leading to premature depletion. This is particularly common in vehicles that are not driven regularly. The solution to this problem is to use a trickle charger when the vehicle is not in use for extended periods. Additionally, checking for parasitic drains caused by faulty electrical components and addressing them promptly can prevent battery-related issues.
Mercedes E-Class W213 E 63 S AMG Cooling System Issues
The high-performance engine of the W213 E 63 S AMG generates significant heat, making the cooling system a critical component for maintaining optimal performance. However, some owners have reported problems with the cooling system, which, if left unaddressed, can lead to serious engine damage.
Radiator leaks are one of the more common cooling system issues. The radiator, which dissipates heat from the engine coolant, can develop leaks over time due to corrosion or physical damage. Corrosion is often caused by the use of low-quality coolant or infrequent coolant changes, while physical damage may result from debris striking the radiator during high-speed driving. Symptoms include coolant pooling under the car, an overheating engine, or a drop in coolant levels. Repairing small leaks with a radiator sealant can be a temporary fix, but replacing the radiator is often necessary for long-term reliability. Regular coolant flushes and using high-quality, manufacturer-recommended coolant can help prevent corrosion and prolong radiator life.
Thermostat and water pump failures are also reported by some owners. The thermostat regulates the flow of coolant through the engine, while the water pump ensures proper circulation. When the thermostat fails, it can become stuck in the open or closed position, leading to inconsistent engine temperatures. A failing water pump, on the other hand, can result in insufficient coolant flow, causing the engine to overheat. Symptoms of these issues include fluctuating temperature readings, coolant leaks, or strange noises coming from the engine bay. Replacing the faulty thermostat or water pump is essential to restore the cooling system's functionality. Regular maintenance and timely replacement of these components can prevent severe engine overheating.
Mercedes E-Class W213 E 63 S AMG Exhaust System Problems
The exhaust system in the W213 E 63 S AMG is a key component of its performance and character, providing an exhilarating soundtrack and efficient removal of exhaust gases. However, some owners have reported issues related to the exhaust system, including catalytic converter failure and exhaust valve malfunctions.
Catalytic converter failure can occur over time, particularly in high-performance vehicles like the E 63 S AMG. The catalytic converter reduces harmful emissions by converting them into less harmful gases. When it fails, symptoms include a check engine light, reduced power, poor fuel efficiency, and a sulfur-like smell from the exhaust. The primary causes of catalytic converter failure are excessive heat, contamination from oil or coolant leaks, and prolonged idling. Replacing a damaged catalytic converter is the only solution, and addressing any underlying engine issues, such as oil leaks, is critical to prevent recurrence.
Exhaust valve malfunctions are another reported issue. The W213 E 63 S AMG is equipped with active exhaust valves that allow the driver to adjust the exhaust sound. These valves can become stuck or fail to operate due to soot buildup, mechanical wear, or electrical issues. Symptoms include an unchanging exhaust note or a rattling sound from the exhaust system. Cleaning or replacing the affected valves typically resolves the issue. Regular driving and occasional spirited runs can help prevent soot buildup and keep the valves functioning smoothly.
Mercedes E-Class W213 E 63 S AMG Interior Wear and Comfort Issues
While the W213 E 63 S AMG’s interior is crafted with high-quality materials and cutting-edge technology, some components may show signs of wear or develop issues over time, particularly with frequent use.
One common issue is premature wear of the leather upholstery. Despite being made from premium materials, the leather seats and steering wheel may develop cracks, discoloration, or excessive wear, especially in vehicles that are exposed to sunlight for prolonged periods or not regularly maintained. Using high-quality leather cleaners and conditioners can help maintain the appearance and longevity of the upholstery. Installing window tints or using sunshades can also protect the interior from UV damage.
The ambient lighting system, a signature feature of the W213 E-Class, may occasionally malfunction. Some owners report flickering lights, sections of the lighting not working, or color inconsistencies. These issues are typically caused by electrical faults, such as wiring damage or a failing control module. Diagnosing and repairing the faulty component can resolve the problem. Ensuring that electrical systems are not overloaded with aftermarket installations can help prevent such issues.
Mercedes E-Class W213 E 63 S AMG Brake System Concerns
The high-performance braking system of the E 63 S AMG is engineered for maximum stopping power, but it is not without its flaws. Owners have reported issues such as excessive brake wear, brake squealing, and, in rare cases, warped rotors.
Excessive brake wear is a common concern, especially for drivers who use the vehicle for spirited driving or track days. The brake pads and rotors on the E 63 S AMG are designed for high performance but may wear out faster than those on standard vehicles. Regular inspection and timely replacement of the brake pads and rotors are essential to maintaining optimal braking performance. Upgrading to performance-oriented aftermarket components may provide longer-lasting solutions for frequent track use.
Brake squealing is another frequently reported issue, often caused by glazed brake pads or insufficient lubrication of the brake components. While the noise can be annoying, it does not always indicate a serious problem. Cleaning the brake pads and applying anti-squeal paste can often resolve the issue. In some cases, replacing the brake pads with quieter options may be necessary.
Warped rotors are less common but can occur under extreme conditions, such as heavy braking during high-speed driving or repeated hard stops on the track. Symptoms include a pulsating brake pedal or vibrations during braking. Resurfacing or replacing the rotors is the solution, and proper cooling techniques, such as cooling laps after track sessions, can prevent rotor warping.
Conclusion
The Mercedes-Benz E-Class W213 E 63 S AMG is a high-performance masterpiece that combines luxury, power, and cutting-edge technology. However, it is not without its share of common problems, ranging from engine and transmission issues to suspension, electrical, and interior concerns. By understanding these potential issues, owners can take proactive measures to maintain their vehicles and address problems before they escalate.
For expert assistance in diagnosing and repairing these issues, visit European Auto Pro, 253 Goodwood Road, Kings Park, 5034 South Australia. Their team of skilled technicians specializes in Mercedes-AMG vehicles and is committed to ensuring your E 63 S AMG performs at its best for years to come.