Mercedes-Benz EQB-Class, X243 (EU)
Coolant capacity & service interval
Mercedes-Benz EQB-Class, X243 (EU) uses coolant with a capacity of 16,7 liters. Service intervals for the fluid are 200000 km or 120 months. The data covers 3 configurations.
The configuration chart below lists fill volumes and service intervals for each engine and trim variant.
| Type | Specifications |
|---|---|
| EQB 250+, 243.601 (2022- ) |
|
| EQB 300 4MATIC, 243.608 (2022- ) |
|
| EQB 350 4MATIC, 243.612 (2022- ) |
|
Additional Notes
- All three variants in the Mercedes-Benz EQB-Class X243 (EU) lineup share an identical cooling system capacity of 16.7 liters, covering the EQB 250+ (243.601), EQB 300 4MATIC (243.608), and EQB 350 4MATIC (243.612).
- A 16.7-liter cooling system capacity is notably large relative to many conventional passenger vehicles, which is consistent with battery-electric platforms that require thermal management circuits for both the electric motors and the high-voltage battery pack in addition to power electronics.
- The service interval is set at 200,000 km or 120 months, whichever comes first, under normal use conditions across all three variants.
- A 120-month interval translates to a 10-year coolant service cycle, which places the EQB-Class X243 among vehicles with extended-life coolant specifications rather than conventional short-cycle replacement schedules.
- The 200,000 km distance threshold paired with the 10-year time limit means the time-based criterion is likely to be the governing factor for lower-mileage usage patterns, while higher-mileage operation would reach the distance limit first.
- No variation in either capacity or service interval exists across the EQB 250+, EQB 300 4MATIC, and EQB 350 4MATIC configurations, indicating a uniform cooling system architecture across the X243 range as specified.