Complete battery specifications for your 2021 Mercedes-Benz A-Class.
| Trim | Engine | Group Size | Cold Cranking Amps | Reserve Capacity | Terminal |
|---|---|---|---|---|---|
| Premium | 6.2L V8 | 51 | 746 CCA | 123 min | Top Post |
| Sport | 6.2L V8 | 51 | 822 CCA | 127 min | Dual Terminal |
| Lariat | 6.2L V8 | 51 | 816 CCA | 125 min | Dual Terminal |
| XL | 6.2L V8 | 47 | 828 CCA | 124 min | Dual Terminal |
| King Ranch | 6.2L V8 | 35 | 778 CCA | 136 min | Side Post |
| SEL | 5.0L V8 | 47 | 764 CCA | 130 min | Top Post |
| Limited | 5.0L V8 | 51R | 805 CCA | 128 min | Top Post |
| Sport | 5.0L V8 | 51 | 760 CCA | 131 min | Top Post |
| Denali | 5.0L V8 | 47 | 730 CCA | 110 min | Top Post |
| SE | 5.7L V8 | 35 | 759 CCA | 130 min | Side Post |
| XLT | 5.7L V8 | 25 | 807 CCA | 129 min | Dual Terminal |
| SEL | 5.7L V8 | 51R | 799 CCA | 127 min | Top Post |