Mercedes-Benz 300, W189 (Adenauer) (EU)

Power steering fluid capacity & service interval

Mercedes-Benz 300, W189 (Adenauer) (EU) models utilize power steering fluid with a capacity range of 0,3 to 1,5 liters. The data covers 2 configurations.

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

TypeSpecifications
300D, W189 (1957-1962)
  • Use: Normal
  • Capacity 1,5 liter
300D, W189 (1957-1962)
  • Use: Normal
  • Capacity 0,3 liter

Additional Notes

  • The Mercedes-Benz 300D W189 (Adenauer) carries a power steering fluid capacity of 1.5 liters, a figure that reflects the total system fill volume for the hydraulic power steering circuit under normal use conditions.
  • A separate steering box capacity of 0.3 liters is specified alongside the main power steering capacity, indicating that the steering box is serviced as a distinct fluid reservoir rather than sharing the same fill point as the hydraulic circuit.
  • The combined fluid requirement across both the power steering system and the steering box amounts to 1.8 liters, reflecting two independent service points on the 300D W189 for the 1957-1962 model years.

Other Systems