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2016 Mercedes-Benz S63L AMG

2016 Mercedes-Benz S63L AMG

Overview

The 2016 Mercedes-Benz S63L AMG, a high-performance luxury sedan, generally exhibits strong reliability, befitting its premium status. However, as with any complex, high-output vehicle, certain areas require attention. This analysis focuses on documented technical issues beyond routine maintenance. The twin-turbocharged V8 engine, while powerful, can present specific concerns, and the advanced all-wheel-drive system and sophisticated electronics are areas where potential issues may arise. Owners can expect a generally dependable experience, but awareness of potential, albeit infrequent, problems is beneficial for proactive maintenance and cost management.


Engine

5.5L Twin-Turbo V8 (M157)

Turbocharger Wastegate Actuator Failure

  • Symptoms: Reduced engine power, boost pressure issues, check engine light.
  • Solution: Replacement of the wastegate actuator or the complete turbocharger assembly.
  • Cost: $1,500 - $3,000

Coolant Leaks (Intercooler/Radiator)

  • Symptoms: Overheating, loss of coolant, visible leaks under the vehicle.
  • Solution: Repair or replacement of leaking intercooler or radiator components.
  • Cost: $800 - $2,000

Transmission

7-Speed AMG SPEEDSHIFT MCT

No widespread issues reported.

  • Symptoms: No widespread issues reported.
  • Solution: No widespread issues reported.
  • Cost: No widespread issues reported.

Suspension

AIRMATIC Air Suspension

Air Spring Leaks/Failure

  • Symptoms: Vehicle sagging on one or more corners, harsh ride, warning lights.
  • Solution: Replacement of leaking air springs or airmatic struts.
  • Cost: $1,000 - $2,500 per corner

Air Compressor Malfunction

  • Symptoms: Inability to raise or lower the vehicle, constant running of compressor, warning lights.
  • Solution: Replacement of the air suspension compressor.
  • Cost: $700 - $1,500

Electrical

Infotainment System Glitches

COMAND System Freezing/Rebooting

  • Symptoms: Screen freezing, system unresponsive, random reboots.
  • Solution: Software updates, or in severe cases, replacement of the COMAND unit.
  • Cost: $500 - $3,000

Battery Drain Issues

Parasitic Battery Drain

  • Symptoms: Battery dying unexpectedly, difficulty starting the vehicle.
  • Solution: Diagnosis and repair of faulty modules or components causing the drain.
  • Cost: $300 - $1,000

Exterior

No Major Issues

No Major Issues

  • Symptoms: No Major Issues
  • Solution: No Major Issues
  • Cost: No Major Issues

Interior

No Major Issues

No Major Issues

  • Symptoms: No Major Issues
  • Solution: No Major Issues
  • Cost: No Major Issues

Summary Verdict

The 2016 Mercedes-Benz S63L AMG is a highly capable luxury performance vehicle with a generally good reliability record for its class. The primary areas of concern tend to be related to the complex AIRMATIC suspension system, potential issues with the twin-turbocharged V8 engine’s wastegate actuators and cooling system, and occasional glitches within the advanced COMAND infotainment system. Electrical gremlins, particularly parasitic battery drain, can also occur. While not as prone to widespread failures as some less complex vehicles, owners should be prepared for potentially costly repairs if these specific components encounter issues. Regular maintenance and prompt attention to warning signs are crucial for maintaining the S63L’s performance and longevity.

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