Mercedes-Benz SL450 R231 Battery Specifications

Battery specifications by year for 2017-2020 Mercedes-Benz SL450 R231

Some specifications are estimated based on common fitments. Always verify with your vehicle or a parts professional.

Battery Specs by Generation

Years	BCI Group	CCA Range	Notes
2020	H7	650-850	- (estimated)	Details →
2019	H7	650-850	- (estimated)	Details →
2018	H7	650-850	- (estimated)	Details →
2017	H7	650-850	- (estimated)	Details →

BCI Group - Make sure the group size matches your battery tray dimensions
CCA (Cold Cranking Amps) - Meet or exceed the OEM specification; higher CCA helps in cold weather
AGM vs Flooded - AGM batteries cost more but last longer; required for start-stop systems
Terminal Position - "F" or "R" suffix indicates reversed terminal orientation