Mercedes-Benz CLK-Class, C209 / A209 (EU)

Brake fluid capacity & service interval

Mercedes-Benz CLK-Class, C209 / A209 (EU) requires brake fluid with a capacity range of 0,45 to 0,6 liters. The service interval for fluid replacement is 24 months. The data covers 5 configurations.

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

TypeSpecifications
CLK 200 Kompressor, 209.342/442 (2007-2009)
  • Use: Normal
  • Capacity 0,45-0,6 liter
  • Change 24 months
CLK 200 Kompressor, 209.342/442 (2002-2007)
  • Use: Normal
  • Capacity 0,45-0,6 liter
  • Change 24 months
CLK 240, 209.361/461 (2002-2004)
  • Use: Normal
  • Capacity 0,6 liter
  • Change 24 months
CLK 320, 209.365/465 (2002-2005)
  • Use: Normal
  • Capacity 0,6 liter
  • Change 24 months
CLK 500, 209.375/475 (2002-2006)
  • Use: Normal
  • Capacity 0,6 liter
  • Change 24 months

Additional Notes

  • The Mercedes-Benz CLK-Class C209/A209 brake fluid capacity figures represent the total volume of the hydraulic brake and clutch system, not a partial top-up amount.
  • The CLK 200 Kompressor in chassis codes 209.342 and 209.442 carries a capacity range of 0.45 to 0.6 liter, which reflects a tolerance band across the combined hydraulic brake and clutch circuit rather than a fixed single value.
  • The CLK 240 (209.361/461), CLK 320 (209.365/465), and CLK 500 (209.375/475) each specify a fixed capacity of 0.6 liter, indicating no tolerance range is listed for those configurations.
  • The CLK 200 Kompressor produced from 2002-2007 and the revised version from 2007-2009 share identical capacity and interval specifications, with both citing 0.45-0.6 liter and a 24-month change interval under normal use conditions.
  • A 24-month change interval is the standard across all listed variants, meaning brake fluid renewal is time-based rather than mileage-based for the entire C209/A209 range covered here.
  • Brake fluid absorbs moisture over time, which lowers its boiling point. The 24-month interval under normal use conditions addresses this degradation mechanism regardless of how many kilometers have been accumulated.
  • The CLK 500 with its larger V8 engine shares the same 0.6 liter brake fluid capacity and 24-month interval as the smaller-displacement CLK 240 and CLK 320, indicating the hydraulic system volume is consistent across those three variants.

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