2026-07-22 · 5 min read
Mercedes GLC Coolant Service Malaysia — X253
GLC X253 coolant guide: MB 325.6 spec, signs of coolant loss from plastic thermostat housing, full flush cost RM 180–280 at Malaysia independent workshop.

GLC Coolant Guide
GLC X253 shares its cooling system architecture with the C-Class W205. MB 325.6 coolant only. The plastic thermostat housing is the same weak point — inspect it at every coolant change. Replace every 3 years or 60,000 km.
Cost
- Coolant flush: RM 180–280
- Thermostat housing if cracked: RM 400–700 additional
