Mercedes-Benz G-Class, W460 (EU)

Coolant capacity & service interval

Mercedes-Benz G-Class, W460 (EU) coolant capacity ranges from 9,5 to 10,5 liters. Service intervals include a 36 month change and a 20000 km check. The data covers 6 configurations.

The configuration chart below lists fill volumes and service intervals for each engine and trim variant.

TypeSpecifications
250 GD (1987-1989)
  • Use: Normal
  • Capacity 10,5 liter
  • Check 20000 km
  • Change 36 months
230 G (1985-1988)
  • Use: Normal
  • Capacity 10,5 liter
  • Change 36 months
230 GE (1985-1989)
  • Use: Normal
  • Capacity 9,5 liter
  • Check 20000 km
  • Change 36 months
240 GD (1985-1987)
  • Use: Normal
  • Capacity 10,5 liter
  • Check 20000 km
  • Change 36 months
280 GE (1985-1989)
  • Use: Normal
  • Capacity 10,5 liter
  • Check 20000 km
  • Change 36 months
300 GD (1985-1989)
  • Use: Normal
  • Capacity 10,5 liter
  • Check 20000 km
  • Change 36 months

Additional Notes

  • The Mercedes-Benz G-Class W460 (EU) cooling system capacities across the 1985-1989 model range fall into two values: 9.5 liters for the 230 GE, and 10.5 liters for all other variants including the 230 G, 240 GD, 250 GD, 280 GE, and 300 GD.
  • A 10.5-liter cooling system capacity is a relatively large fill volume for passenger and light off-road vehicles of the mid-1980s, reflecting the W460 body-on-frame construction and the space available for coolant routing through larger engine bays and extended hose runs.
  • The 230 GE stands apart from the rest of the lineup with a 9.5-liter cooling system capacity, a full liter less than the other variants. The 230 GE uses a four-cylinder petrol engine, which typically requires less coolant volume than six-cylinder or diesel configurations of comparable displacement.
  • A 36-month coolant change interval applies uniformly across all six variants under normal use conditions. Time-based intervals of this length are standard for ethylene glycol-based coolants, which degrade in corrosion inhibitor effectiveness over time regardless of mileage.
  • A 20,000 km coolant level check interval is specified for the 230 GE, 240 GD, 250 GD, 280 GE, and 300 GD. The 230 G (1985-1988) has no check interval listed in the specifications, only the 36-month change interval.
  • The 240 GD covers the 1985-1987 period, while the 250 GD covers 1987-1989, suggesting a model transition between the two diesel variants at some point during 1987. Both share identical cooling system specifications of 10.5 liters, a 20,000 km check interval, and a 36-month change interval.
  • The 300 GD and 280 GE both span the full 1985-1989 range covered by these specifications and share the same 10.5-liter capacity, 20,000 km check, and 36-month change interval, despite one being a diesel and the other a petrol six-cylinder engine.

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