2026-07-22 · 5 min read
Mercedes CLS Transmission Fluid Malaysia — 7G-Tronic / 9G-Tronic
C218 CLS uses 7G-Tronic (MB 236.7 ATF); C257 CLS uses 9G-Tronic (MB 236.15 ATF). Change at 40,000 km in Malaysia. Symptoms of degraded ATF: hesitation on upshift, hard engagement from Park, creep judder.

CLS Transmission Fluid — 7G vs 9G
- C218: 7G-Tronic uses MB 236.7 ATF — change every 40,000 km
- C257: 9G-Tronic uses MB 236.15 ATF — change every 40,000 km
- Symptoms of degraded ATF: hesitation on upshift, hard Park engagement, creep judder
