Complete battery specifications for your 2026 Mercedes-Benz A-Class.
| Trim | Engine | Group Size | Cold Cranking Amps | Reserve Capacity | Terminal |
|---|---|---|---|---|---|
| XL | 5.0L V8 | 35 | 752 CCA | 112 min | Top Post |
| SEL | 5.0L V8 | 51 | 800 CCA | 130 min | Dual Terminal |
| Denali | 5.0L V8 | 47 | 759 CCA | 121 min | Side Post |
| Limited | 3.5L V6 | 47 | 691 CCA | 121 min | Side Post |
| SEL | 3.5L V6 | 47 | 641 CCA | 96 min | Side Post |
| Denali | 3.5L V6 | 24 | 705 CCA | 122 min | Top Post |
| Base | 3.5L V6 | 51 | 611 CCA | 111 min | Side Post |
| Lariat | 2.4L I4 | 51R | 513 CCA | 90 min | Side Post |
| XLT | 2.4L I4 | 51 | 450 CCA | 76 min | Top Post |