2026-07-22 · 5 min read
Mercedes S-Class Power Steering Problems Malaysia — W222/W223
S-Class W222/W223 EPS with ACTIVE CURVE SYSTEM: steering angle sensor, EPS module faults common. XENTRY diagnosis essential. Malaysia repair cost RM 800–3,000.
S-Class EPS with Active Curve System
W222/W223 S-Class uses EPS combined with the ACTIVE CURVE SYSTEM — a hydraulic active anti-roll bar actuated by an electrohydraulic unit. Faults in this system cause: heavy steering at low speed, body roll warning on the instrument cluster, and occasional suspension-related fault codes. XENTRY is the only tool that can access and code the ACTIVE CURVE ECU.
Cost
- XENTRY diagnosis: RM 150–200
- EPS module replacement: RM 1,200–2,500
- ACTIVE CURVE electrohydraulic unit: RM 2,000–5,000