2026-07-22 · 5 min read
Mercedes-Benz S-Class Battery Replacement Malaysia
Mercedes-Benz S-Class AGM battery replacement and XENTRY IBS registration — Malaysia installed pricing.
S-Class W222/W223 has two batteries: a main AGM starter battery (in boot, right side) and an auxiliary battery for the electrical system. Both may need replacement. IBS coding is mandatory on the main battery. The auxiliary battery replacement also requires XENTRY coding.
Specification
- Main battery: AGM 95Ah (W222) or AGM 110Ah (W223)
- Auxiliary battery: smaller AGM or EFB — check model-specific spec
- Cost (main battery, supply + fit + IBS coding)
Signs of Failing Battery on S-Class
- Slow start, especially in the morning
- AIRMATIC compressor not running (system needs electrical power to function)
- Multiple warning lights appearing together — weak battery fault