Fluid · Coolant
Coolant
for 2026 Mercedes-Benz C300 W206 2.0L I4 Turbo M254 · RWD
Fluid Type
MB 325.6 premixed coolant
Spec: MB 325.6
Capacity
9.5qt
8.99 L
Drain & Refill
8 qt
7.57 L
Change Interval
150,000 mi
241,350 km
Data quality
Book-style estimate
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Notes
Premixed MB antifreeze/coolant. Initial fill is lifetime; Mercedes recommends replacement at 15 years or 150k miles, whichever comes first.