2026-07-22 · 5 min read
Mercedes CLS Carbon Cleaning Malaysia — M276/M264/M256
CLS direct injection engines build carbon on intake valves: M276 (6 cylinders), M264 (4 cylinders), M256 (6 cylinders) — all susceptible. Symptoms at 60,000–80,000 km: rough idle, misfires. Walnut blast cost: M276/M256 RM 900–1,500; M264 RM 600–1,000.

CLS Carbon Cleaning — All Engines Direct Injection
- M276 V6 (6 cylinders), M264 4-cyl, M256 6-cyl — all direct injection, all accumulate carbon at 60,000–80,000 km
- Walnut blast cost: M276/M256 RM 900–1,500 (6-cyl); M264 RM 600–1,000 (4-cyl)
