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.
