Mercedes-Benz CL-Class, C215 (EU)

Automatic transmission fluid capacity & service interval

Mercedes-Benz CL-Class, C215 (EU) automatic transmission fluid capacity ranges from 6,7 to 9,1 liters. Service intervals require a change every 60000 km. The data covers 6 configurations.

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

TypeSpecifications
CL 65 AMG, 215.379 (2004-2005)
  • Use: First change only
  • Capacity 7,5 liter
  • Change 60000 km
  • Code: 722.6xx 5/1
CL 55 AMG Kompressor, 215.374 (2002-2006)
  • Use: First change only
  • Capacity 8,7-9,1 liter
  • Change 60000 km
  • Code: 722.6xx 5/1
CL 600, 215.376 (2002-2006)
  • Use: First change only
  • Capacity 7,5 liter
  • Change 60000 km
  • Code: 722.6xx 5/1
CL 500, 215.375 (1999-2006)
  • Use: Normal
  • Capacity 9,1 liter
  • Code: 722.6xx 5/1
CL 500, 215.375 (1999-2006)
  • Use: First change only
  • Capacity 9 liter
  • Capacity 6,7 liter (+ code A25)
  • Change 60000 km
  • Code: 722.9xx 7/1
CL 600, 215.378 (1999-2002)
  • Use: First change only
  • Capacity 9,1 liter
  • Change 60000 km
  • Code: 722.6xx 5/1

Additional Notes

  • The CL 500 (215.375) carries a total automatic transmission fluid capacity of 9.1 liters, which represents the full overhaul or dry fill volume used when the transmission is completely drained and refilled from empty.
  • For the CL 500 (215.375), the first-change-only service fill is listed at 9 liters under standard configuration, reflecting the slightly lower volume returned during a partial drain where residual fluid remains in the torque converter.
  • Mercedes-Benz CL-Class C215 vehicles equipped with option code A25 on the CL 500 (215.375) have a notably reduced first-change capacity of 6.7 liters, indicating a different transmission variant or sump configuration tied to that factory option.
  • All first-change-only service intervals across the CL 500, CL 55 AMG Kompressor, CL 600, and CL 65 AMG are set at 60,000 km, meaning the fluid replacement is scheduled at that mileage point rather than on a recurring cycle.
  • The CL 55 AMG Kompressor (215.374) lists a capacity range of 8.7 to 9.1 liters for the first change, which is the only specification in the lineup expressed as a range rather than a fixed value, suggesting minor variation within that transmission assembly.
  • The CL 600 (215.376) and CL 65 AMG (215.379) share an identical first-change capacity of 7.5 liters, which is the lowest service fill volume among all configurations listed for the C215 lineup.
  • The earlier CL 600 (215.378, 1999-2002) has a first-change capacity of 9.1 liters, while the later CL 600 (215.376, 2002-2006) drops to 7.5 liters, reflecting a significant difference between the two transmission generations used across the model's production span.
  • The CL 500 (215.375) is the only configuration in the lineup with both a total capacity figure (9.1 liters, normal use) and a separate first-change capacity figure, allowing a direct comparison between a full fill and a partial drain service volume.

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