2020 Mercedes-Benz E63 AMG

The 2020 Mercedes-Benz E63 AMG is a high-performance luxury sedan known for its powerful engine, agile handling, and luxurious interior. It came standard with a handcrafted 4.0-liter twin-turbo V8 engine producing 603 horsepower and 627 lb-ft of torque. The E63 S variant also utilizes the same 4.0-liter twin-turbo V8 engine, but is tuned to produce even more power at 603 hp and 627 lb-ft of torque. Both engines are paired with a 9-speed automatic transmission (AMG SPEEDSHIFT MCT 9-speed). Owners often praise the car’s explosive acceleration, comfortable ride (especially with the air suspension), and its blend of luxury and performance. Criticisms sometimes include the high price tag and the potential for costly maintenance and repairs.

Engine

4.0L Twin-Turbo V8 (M177)

• Turbocharger Failure
  • Description/Symptoms: Whining noise from the engine, loss of power, check engine light. Can be caused by oil starvation, bearing failure, or internal damage to the turbine or compressor wheels.
  • Solution: Replace the faulty turbocharger.
  • Estimated Cost to Fix: $4,000 - $8,000+
  • Recalls: None Found
• Oil Leaks
  • Description/Symptoms: Oil spots under the vehicle, burning oil smell, low oil level. Often occurs at the valve cover gaskets, oil pan gasket, or turbocharger oil lines.
  • Solution: Replace the leaking gaskets or lines.
  • Estimated Cost to Fix: $500 - $2,000+
  • Recalls: None Found
• Coolant Leaks
  • Description/Symptoms: Low coolant level, overheating, coolant smell. Commonly observed around the coolant reservoir, hoses, or water pump.
  • Solution: Replace the leaking component.
  • Estimated Cost to Fix: $300 - $1,500+
  • Recalls: None Found

Transmission

AMG SPEEDSHIFT MCT 9-Speed

• Rough Shifting
  • Description/Symptoms: Harsh or jerky shifts, particularly between certain gears. Can be caused by low transmission fluid, worn clutches, or issues with the valve body.
  • Solution: Perform a transmission fluid flush and filter change. If the issue persists, further diagnosis of the valve body or clutches may be necessary.
  • Estimated Cost to Fix: $300 - $3,000+
  • Recalls: None Found
• Delayed Engagement
  • Description/Symptoms: A noticeable delay when shifting into drive or reverse. Could be due to low transmission fluid, internal transmission damage, or valve body issues.
  • Solution: Check and top off transmission fluid. If the problem continues, the transmission may require more extensive repairs or replacement.
  • Estimated Cost to Fix: $100 - $6,000+
  • Recalls: None Found

Suspension

• Air Suspension Failure (if equipped)
  • Description/Symptoms: Vehicle sagging on one or more corners, warning lights on the dashboard, compressor running constantly or not at all.
  • Solution: Replace the faulty air strut(s), compressor, or air lines. Diagnose and repair any leaks in the system.
  • Estimated Cost to Fix: $1,000 - $4,000+ per strut, $500 - $1,500+ for the compressor
  • Recalls: None Found
• Adaptive Damper Issues
  • Description/Symptoms: Stiff or inconsistent ride quality, clunking noises from the suspension, error messages on the dashboard.
  • Solution: Replace the faulty adaptive dampers.
  • Estimated Cost to Fix: $800-$3000+ per damper
  • Recalls: None Found

Electrical

• Infotainment System Freezing/Crashing
  • Description/Symptoms: The MBUX infotainment system freezes, lags, or crashes intermittently.
  • Solution: Software updates, system resets, or replacement of the head unit.
  • Estimated Cost to Fix: $0 (Software Update) - $2,000+ (Head Unit Replacement)
  • Recalls: None Found
• Sensor Malfunctions
  • Description/Symptoms: Various warning lights on the dashboard related to driver assistance systems (e.g., blind spot monitoring, lane keeping assist), malfunctioning sensors (e.g., parking sensors).
  • Solution: Diagnose and replace the faulty sensor(s).
  • Estimated Cost to Fix: $200 - $1,000+ per sensor
  • Recalls: None Found

Exterior

• Sunroof Issues
  • Description/Symptoms: Sunroof gets stuck, makes excessive noise when opening/closing, or leaks.
  • Solution: Clean and lubricate the sunroof tracks and mechanism. If the issue persists, the motor or other components may need to be replaced.
  • Estimated Cost to Fix: $100 - $1,500+
  • Recalls: None Found

Interior

• Seat Motor Failure
  • Description/Symptoms: Power seats stop adjusting in one or more directions.
  • Solution: Replace the faulty seat motor or switch.
  • Estimated Cost to Fix: $300 - $1,200+
  • Recalls: None Found

Summary:

The 2020 Mercedes-Benz E63 AMG offers thrilling performance but can be prone to some costly issues. Engine and transmission problems, such as turbocharger failure and rough shifting, can be expensive to address. Suspension issues, particularly with the air suspension, are also common and can result in significant repair bills. Electrical issues, like infotainment system glitches, are less severe but can be frustrating. While some issues are relatively minor, the potential for major repairs should be considered when purchasing this vehicle. Overall, the severity of common issues ranges from moderate to high, with potential repair costs ranging from a few hundred to several thousand dollars, making a pre-purchase inspection essential.