2026-07-22 · 5 min read
Mercedes CLA Alternator Problems Malaysia — C117/C118
CLA alternator failure: battery drain, ELV error, IBS sensor faults linked to smart alternator system. Malaysia diagnosis and replacement cost RM 800–1,700.
CLA Alternator — Same as A-Class
CLA C117/C118 shares the same smart alternator system as the A-Class. The diagnosis procedure and IBS reset requirement are identical. One additional note: CLA battery is in the boot on some variants — confirm IBS sensor location before diagnosis.
Cost
- Alternator + labour + IBS reset: RM 900–1,800