2026-07-22 · 5 min read
Mercedes-Benz GLA Battery Replacement & Coding Malaysia
GLA requires AGM battery with IBS coding after replacement. Battery coding calibrates the charging system to the new battery's parameters. Brands and costs for Malaysian GLA owners.
AGM battery only. IBS coding mandatory after replacement on both X156 and H247 GLA. Battery location: X156 GLA is under the bonnet; H247 GLA (W177 platform) has battery in the boot. Cost: RM 600–800 supply + fit + IBS coding.
Mercedes AGM Battery — Malaysia Replacement
Mercedes-Benz models require AGM (Absorbent Glass Mat) batteries — standard flooded batteries are NOT compatible with the battery management system (BMS). The BMS must be recoded after any battery replacement — without coding, the alternator charges incorrectly and the stop-start system malfunctions. Budget RM 550–900 for an AGM battery with coding at an independent workshop. In Malaysia's heat, expect battery life of 2–3 years (AGM handles heat better than flooded but still degrades). Varta, Bosch, and OEM Mercedes are recommended brands.