The Mercedes-Benz E-Class W213 E 63 AMG is a marvel of engineering, combining high-performance powertrains with luxury and cutting-edge technology. As part of AMG's lineup, it represents the pinnacle of performance in the E-Class family. However, despite its exceptional qualities, the W213 E 63 AMG is not immune to issues that can arise with prolonged use or due to specific design challenges. This article provides an in-depth examination of the most common problems encountered in the W213 E 63 AMG, along with their causes and solutions, to help owners maintain their vehicles at peak performance.

Mercedes E-Class W213 E 63 AMG Engine-Related Issues
The W213 E 63 AMG is equipped with a twin-turbocharged 4.0-liter V8 engine (M177), which delivers exceptional power and acceleration. However, such high-performance engines are more complex and prone to certain issues compared to standard powertrains.
One common issue reported by owners is oil leaks. Despite the robust engineering of AMG engines, the extreme temperatures and pressures generated during performance driving can strain the seals and gaskets. Oil leaks often occur around the valve cover gaskets, turbo oil lines, or the oil pan. Symptoms include visible oil spots under the vehicle, the smell of burning oil, or low oil levels. These leaks can compromise engine performance and lead to further damage if not addressed promptly. The primary cause of oil leaks is gasket wear due to prolonged exposure to high heat. The solution involves replacing the damaged seals and gaskets with high-quality OEM parts. Regular inspections, especially after extended high-performance use, can catch leaks early and prevent major repairs.
Another engine-related issue is carbon buildup in the intake valves, a common problem in modern direct-injection engines like the M177. Over time, carbon deposits accumulate on the intake valves, leading to rough idling, reduced performance, and poor fuel economy. This buildup is caused by the lack of fuel washing over the intake valves, as the fuel is injected directly into the combustion chamber. Solving this problem involves performing an intake valve cleaning procedure, often using walnut blasting to remove the deposits. Using high-quality fuel and adding fuel system cleaners periodically can help minimize carbon buildup.
Turbocharger failures, though less common, are another concern for the W213 E 63 AMG. The twin-turbo setup provides exhilarating performance but also operates under extreme heat and pressure. Symptoms of turbo failure include a loss of power, excessive smoke from the exhaust, and unusual whining noises. Turbo failures are often caused by insufficient lubrication, oil contamination, or debris entering the turbo. To prevent these issues, ensure regular oil changes with manufacturer-recommended synthetic oil and replace the air filters as needed. If a turbocharger fails, replacing it with a new or remanufactured unit is the only solution.
Mercedes E-Class W213 E 63 AMG Transmission Problems
The W213 E 63 AMG is equipped with a 9-speed AMG Speedshift MCT transmission, designed to deliver lightning-fast gear changes and optimal performance. However, this sophisticated transmission can experience issues over time.
Owners have reported transmission hesitation or rough shifts, particularly during low-speed driving. These problems can occur due to software glitches, worn clutch packs, or a failing valve body. Transmission hesitation is often more noticeable in stop-and-go traffic, where the transmission struggles to engage smoothly. The causes typically include software calibration issues or wear in the clutch components. Resolving this issue may involve updating the transmission software or replacing worn internal parts. Regular maintenance, including transmission fluid changes, can help prevent these issues from arising.
Another transmission-related issue is overheating during aggressive driving or track use. The high-performance nature of the W213 E 63 AMG means the transmission is frequently subjected to extreme stress. Overheating can result in reduced performance and premature wear. Installing an upgraded transmission cooler or ensuring that the factory cooling system is functioning properly can help mitigate this issue. Monitoring transmission temperatures during high-performance driving is essential to prevent long-term damage.
Mercedes E-Class W213 E 63 AMG Suspension and Steering Issues
The W213 E 63 AMG is equipped with AMG’s Ride Control+ suspension, which uses air springs and adaptive dampers to provide a blend of comfort and performance. However, this sophisticated system is not without its challenges.
One common issue is air suspension failure. Over time, the air springs can develop leaks, causing the suspension to sag or fail to maintain proper ride height. Symptoms include uneven ride height, a warning light on the dashboard, or a noticeably rougher ride. The primary cause of air suspension failure is wear and tear on the air springs or compressor. Resolving this issue involves replacing the leaking air springs or a failing compressor. Upgraded aftermarket air springs are often more durable than the factory units and can be a cost-effective solution. Regular inspections of the suspension system can help catch early signs of wear and prevent complete failure.
Another common problem is premature wear of suspension components such as control arms, bushings, and ball joints. These components are subjected to significant stress during high-performance driving, leading to clunking noises, poor handling, or uneven tire wear. Replacing the worn components with high-quality parts is necessary to restore the vehicle's performance. Proper alignment and regular inspections of the suspension system are critical to avoiding premature wear.
Mercedes E-Class W213 E 63 AMG Brake System Concerns
The W213 E 63 AMG is equipped with high-performance AMG braking systems designed for track and street use. While these brakes offer exceptional stopping power, they are prone to specific issues.
Brake fade during aggressive driving is a common concern. This occurs when the brake components, particularly the pads and rotors, overheat and lose their effectiveness. The intense heat generated during spirited driving or track use can exceed the system's capacity, leading to reduced braking performance. Installing upgraded brake pads and rotors designed for high-temperature applications can help mitigate this issue. Ensuring that the brake fluid is fresh and of a high-performance grade is also essential to maintain consistent braking performance.
Another issue reported by some owners is excessive brake noise, especially during low-speed stops. This noise is often caused by the use of aggressive brake pads designed for high-performance applications. While the noise is not a sign of a malfunction, it can be annoying for daily drivers. Switching to less aggressive pads can reduce noise while maintaining adequate performance for regular driving.
Mercedes E-Class W213 E 63 AMG Electrical System Problems
The W213 E 63 AMG, being a modern luxury performance vehicle, comes equipped with a host of advanced electrical systems that enhance driving dynamics, comfort, and safety. However, these sophisticated electronics can occasionally fail, leading to frustration for owners.
One frequently reported issue involves the infotainment system. The COMAND system, which controls navigation, media, and vehicle settings, may freeze, lag, or fail to respond entirely. In some cases, the system may reboot unexpectedly or fail to load navigation maps. These problems are often caused by outdated software, internal hardware faults, or corrupt data. Resolving infotainment issues typically involves updating the software to the latest version or, in severe cases, replacing the infotainment control module. Ensuring that the system's storage is not overloaded and performing routine updates can help maintain smooth operation.
Another common electrical problem relates to the keyless entry and start system. Some owners report issues where the vehicle fails to recognize the key fob, preventing the doors from unlocking or the engine from starting. This issue can be caused by a depleted key fob battery, interference from other electronic devices, or a fault in the keyless entry control module. Replacing the key fob battery is often the simplest solution. If the problem persists, diagnosing and repairing the control module may be necessary. Keeping a spare key fob and ensuring it is stored away from other electronic devices can help reduce interference and prevent inconvenience.
The Active Drive Assist system, part of Mercedes-Benz's advanced driver assistance package, has also been reported to occasionally malfunction. Issues may include inconsistent lane-keeping assistance, false collision warnings, or failure to maintain a set speed. These problems are often linked to dirty or misaligned sensors and cameras or outdated software. Cleaning the sensors and ensuring proper calibration can resolve most issues. For persistent problems, a software update or replacement of faulty sensors may be required.
Mercedes E-Class W213 E 63 AMG Cooling System Issues
The cooling system in the W213 E 63 AMG is critical to maintaining optimal engine and transmission temperatures, especially given the car's high-performance nature. However, it is not without its challenges.
Radiator leaks are a common problem in performance vehicles like the W213 E 63 AMG. The radiator, responsible for dissipating heat from the engine, can develop cracks or corrosion over time. Symptoms include coolant puddles under the vehicle, overheating, or a low coolant warning on the dashboard. The primary cause of radiator leaks is wear and tear, often exacerbated by the high temperatures and pressures associated with spirited driving. Fixing this issue involves replacing the damaged radiator. Regular coolant flushes and the use of high-quality coolant can help prevent corrosion and prolong the radiator's life.
Another frequent concern is water pump failure. The water pump circulates coolant throughout the engine to maintain an optimal temperature. A failing water pump can lead to inadequate coolant flow, resulting in overheating and potential engine damage. Symptoms include coolant leaks near the pump, whining noises from the engine bay, and fluctuating temperature readings. Replacing the faulty water pump is the only solution. Regular maintenance and timely inspections can help identify early signs of wear and prevent catastrophic cooling system failures.
Mercedes E-Class W213 E 63 AMG Suspension and Differential Noise
The W213 E 63 AMG's performance-oriented suspension and drivetrain are engineered for precision and durability, but certain issues can arise, especially under high-stress driving conditions.
Owners frequently report suspension noise, such as creaking or clunking, particularly when driving over uneven surfaces. This noise is often caused by worn bushings, control arms, or ball joints, which are subjected to significant stress during spirited driving. Replacing the worn components is necessary to restore the suspension’s smooth operation. Using upgraded bushings and regularly inspecting the suspension system can help minimize these issues.
Another common issue involves noise from the rear differential, particularly during sharp turns or aggressive acceleration. This noise may present as a whining or grinding sound, which can be unsettling. The root cause is often insufficient or degraded differential fluid, though excessive wear on the differential gears can also contribute. Changing the differential fluid with a high-quality lubricant, as recommended by AMG, usually resolves the issue. If the noise persists, a thorough inspection of the differential and potential gear replacement may be required.
Mercedes E-Class W213 E 63 AMG Exhaust System Problems
The AMG Performance Exhaust system is one of the highlights of the W213 E 63 AMG, delivering a thunderous exhaust note that enhances the driving experience. However, it is not without its flaws.
One commonly reported issue is exhaust valve failure. The exhaust system features valves that open or close depending on the selected driving mode, allowing for different sound profiles. When these valves malfunction, they may become stuck in one position, preventing the system from adjusting as intended. This issue is often caused by carbon buildup around the valve mechanism or a failure of the actuator motor. Cleaning the valves and replacing faulty actuators can resolve the problem. Regular maintenance and using high-quality fuel can reduce carbon buildup and prolong the lifespan of the exhaust components.
Another problem is excessive exhaust drone during highway driving. While the exhaust system is designed to produce a sporty sound, some owners find the drone at cruising speeds to be intrusive. This issue is typically due to the design of the exhaust system and is not considered a fault. However, it can be mitigated by installing aftermarket resonators or sound-deadening materials in the cabin.
Mercedes E-Class W213 E 63 AMG Interior and Comfort Issues
Despite the luxurious interior of the W213 E 63 AMG, some owners experience issues that detract from the overall experience.
The leather seats, while high-quality, are prone to premature wear, particularly on the bolsters. This is a common issue in performance cars with heavily bolstered seats designed to provide support during aggressive driving. The wear is often caused by frequent entry and exit from the vehicle, which places stress on the bolsters. Applying leather conditioners and seat protectors can help prevent wear. If the damage is severe, reupholstering the seats may be necessary.
The Burmester audio system, a premium feature in the W213, is another area where issues can arise. Some owners report inconsistent audio quality, such as crackling or distortion, especially at higher volumes. This problem is often due to faulty speakers or wiring connections. Replacing the affected speakers or repairing the wiring typically resolves the issue.
Conclusion
The Mercedes-Benz E-Class W213 E 63 AMG is a performance masterpiece that offers unparalleled driving dynamics, luxury, and technology. However, it is not immune to the challenges that come with complex engineering and high-performance components. From engine and transmission concerns to suspension, electrical, and interior issues, understanding these problems is key to maintaining the vehicle’s performance and longevity. Proactive maintenance, regular inspections, and timely repairs are essential for ensuring that the W213 E 63 AMG continues to deliver an exceptional driving experience.
For expert assistance with diagnosing and repairing these issues, visit European Auto Pro, 253 Goodwood Road, Kings Park, 5034 South Australia. Their experienced technicians specialize in Mercedes-AMG models and are committed to keeping your vehicle in peak condition, ensuring you enjoy every mile behind the wheel.