2024 MERCEDES-BENZ SL-Class M256 (SL 55 AMG)/M176 (SL 63 AMG) (R232)

Engine identity

Oils and fluids

Service and parts data

Common and chronic problems

• Complex mild-hybrid system requires trained diagnostics
• Potential oil consumption in early M256 engines reported but under warranty coverage

First checks

• Hybrid battery health status
• Software update status and AMG performance calibrations
• Visual check for soft top mechanism operation

Before replacing parts

• Save fault codes and freeze-frame data before clearing anything.
• Check engine oil, coolant and transmission fluid using the correct temperature and service procedure.
• Verify power, ground, connectors, hoses, leaks and live data before replacing expensive parts.

Important notes

• SL-Class 2024 R232 is globally available from mid-2023 production and carries advanced hybrid technology in inline-6 AMG variant.
• Exact power and equipment vary by market emissions and homologation regulations.