Mercedes-Benz EQA-Class, N243 (EU)

Coolant capacity & service interval

Mercedes-Benz EQA-Class, N243 (EU) coolant capacity is 16,7 liters. Service intervals are 200000 km or 120 months. The data covers 4 configurations.

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

TypeSpecifications
EQA 250+, 243.702 (2023- )
  • Use: Normal
  • Capacity 16,7 liter
  • Change 200000 km/ 120 months
EQA 250, 243.701 (2021- )
  • Use: Normal
  • Capacity 16,7 liter
  • Change 200000 km/ 120 months
EQA 300 4MATIC, 243.708 (2021- )
  • Use: Normal
  • Capacity 16,7 liter
  • Change 200000 km/ 120 months
EQA 350 4MATIC, 243.712 (2021- )
  • Use: Normal
  • Capacity 16,7 liter
  • Change 200000 km/ 120 months

Additional Notes

  • The Mercedes-Benz EQA-Class N243 (EU) cooling system capacity is 16.7 liters across all four variants covered in the specifications, indicating a substantial thermal management circuit consistent with electric drivetrains that require cooling for battery packs, power electronics, and electric motors rather than a combustion engine.
  • The 16.7-liter figure represents a service fill capacity, meaning the volume required when refilling the cooling system during a standard service, as opposed to a larger overhaul figure that would account for residual fluid in components during a full system drain.
  • The EQA 250 (243.701), introduced from 2021, shares an identical 16.7-liter cooling system capacity and a 200,000 km or 120-month change interval under normal use conditions with the EQA 300 4MATIC (243.708) and EQA 350 4MATIC (243.712), both also introduced from 2021.
  • The EQA 250+ (243.702), introduced from 2023, carries the same 16.7-liter capacity and 200,000 km or 120-month interval as the earlier variants, showing no deviation in cooling system specification despite being a later model designation.
  • A 120-month interval equals 10 years, meaning the time-based service trigger for coolant replacement under normal use conditions spans a full decade regardless of which of the four variants is in question.
  • The 200,000 km distance-based interval is a high-mileage threshold, reflecting the reduced thermal cycling demands on coolant in an electric vehicle compared to internal combustion applications, where combustion heat causes more rapid coolant degradation.
  • All four variants specify normal use conditions for the coolant change interval, and under those conditions the 200,000 km or 120-month interval applies uniformly across the EQA 250, EQA 250+, EQA 300 4MATIC, and EQA 350 4MATIC configurations.

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