2022 Mercedes-Benz SL55 AMG

The 2022 Mercedes-Benz SL55 AMG is a high-performance roadster that blends luxury with sporty driving dynamics. It features a handcrafted AMG 4.0L V8 biturbo engine producing 469 horsepower and 516 lb-ft of torque paired with an AMG SPEEDSHIFT MCT 9-speed transmission. Other engine options for the 2022 SL include the SL43 with a 2.0L inline-4 turbo and the SL63 with a more powerful version of the 4.0L V8. Some owners praise the car’s exhilarating performance, elegant interior, and advanced technology. Conversely, some criticisms include the high price tag, complex infotainment system, and occasional reports of electronic glitches.

Engine

4.0L V8 Biturbo

• Oil Leaks
  • Description/Symptoms: Oil leaks are reported from various points on the engine, including the valve covers, oil pan, and turbocharger lines. Symptoms include visible oil drips, burning oil smell, and low oil levels.
  • Solution: Replace leaking gaskets, seals, or lines. Retorque bolts to specification if loosening is the cause.
  • Estimated Cost to Fix: $200 - $2,000+ depending on the location and severity of the leak.
• Turbocharger Issues
  • Description/Symptoms: Some owners have reported premature turbocharger failure. Symptoms include loss of power, unusual noises (whining or screeching), and potentially check engine lights.
  • Solution: Replace the faulty turbocharger(s). Inspect the oil supply lines to the turbos for blockage to prevent future failure.
  • Estimated Cost to Fix: $3,000 - $6,000+

Transmission

AMG SPEEDSHIFT MCT 9-Speed

• Rough Shifting/Hesitation
  • Description/Symptoms: Some owners report instances of rough or delayed shifting, particularly during downshifts or in specific driving modes. Hesitation upon acceleration can also occur.
  • Solution: Software update for the transmission control module (TCM). In some cases, a transmission flush and filter replacement may be necessary. In more severe cases, valve body replacement is needed.
  • Estimated Cost to Fix: $200 - $4,000+ (depending on the severity and the solution)

Suspension

• Air Suspension Malfunctions
  • Description/Symptoms: Air suspension can exhibit issues such as uneven ride height, sagging, failure to adjust properly, or error messages on the dashboard. This can be caused by leaks in the air lines, faulty air struts, or a failing air compressor.
  • Solution: Identify and repair any air leaks. Replace faulty air struts or the air compressor if necessary. Recalibrate the suspension system.
  • Estimated Cost to Fix: $500 - $3,000+ per strut (depending on location and labor).

Electrical

• Infotainment System Freezing/Glitches
  • Description/Symptoms: The MBUX infotainment system may occasionally freeze, lag, or exhibit glitches. This can include unresponsive touchscreens, Bluetooth connectivity problems, and navigation errors.
  • Solution: Software update for the MBUX system. A hard reset of the system might temporarily resolve the issue. In some cases, component replacement may be necessary.
  • Estimated Cost to Fix: $0 (if software update) to $1,500+ (if component replacement is needed).
• Sensor Malfunctions
  • Description/Symptoms: Malfunctions of various sensors, such as parking sensors, blind-spot monitoring sensors, or rain sensors, have been reported. Symptoms include error messages, non-functional features, or erratic behavior.
  • Solution: Diagnose the specific faulty sensor and replace it.
  • Estimated Cost to Fix: $200 - $1,000+ depending on the sensor.
• Convertible Top Operation Issues
  • Description/Symptoms: Difficulties with the convertible top mechanism including slow operation, getting stuck, or failing to open or close completely. This can stem from hydraulic pump issues, sensor problems, or misaligned components.
  • Solution: Diagnose the specific cause of the problem using diagnostic tools. Check hydraulic fluid levels and pressure. Repair or replace faulty components.
  • Estimated Cost to Fix: $500 - $3,000+ depending on the complexity of the repair.

Exterior

• No Issues Found

Interior

• Seat Adjustment Problems
  • Description/Symptoms: Issues with the power seat adjustments, including failure to move in certain directions or unusual noises during operation.
  • Solution: Check the seat adjustment motors and switches. Repair or replace faulty components.
  • Estimated Cost to Fix: $200 - $800+

Recalls

• None Found

Summary

The 2022 Mercedes-Benz SL55 AMG, while offering exhilarating performance and luxury, does have some reported issues. The most common concerns revolve around engine oil leaks and turbocharger problems, as well as transmission shifting issues. Electrical issues, particularly with the infotainment system and convertible top, also appear. Suspension problems may arise as well. The severity of these issues varies, and the cost to fix them can range from a few hundred dollars for minor repairs to several thousand dollars for more significant component replacements like turbochargers or air suspension struts. While no recalls were found, potential buyers should be aware of these potential issues and carefully inspect the vehicle before purchase.