Mercedes-Benz GLA-Class, X156 (USA / CAN)

Automatic transmission fluid capacity & service interval

Mercedes-Benz GLA-Class, X156 (USA / CAN) automatic transmission fluid capacity ranges from 5,3 to 5,5 liters. Service intervals include 30000 miles/ 36 months, 31000 miles/ 36 months, and 62000 miles/ 60 months. The data covers 4 configurations.

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

TypeSpecifications
GLA 45 AMG 4MATIC, 156.952 (2015-2020)
  • Use: Normal
  • Capacity 5,5 liter
  • Change 31000 miles/ 36 months
  • Code: 724.015
GLA 250, 156.944 (2014-2020)
  • Use: Normal
  • Capacity 5,3 liter
  • Change 62000 miles/ 60 months
  • Code: 724.004 7/1
GLA 250 4MATIC, 156.946 (2014-2020)
  • Use: Normal
  • Capacity 5,3 liter
  • Change 62000 miles/ 60 months
  • Code: 724.011 7/1
GLA 45 AMG 4MATIC, 156.952 (2014-2015)
  • Use: Normal
  • Capacity 5,5 liter
  • Change 30000 miles/ 36 months
  • Code: 724.015

Additional Notes

  • The Mercedes-Benz GLA-Class X156 automatic transmission fluid specifications cover a transaxle, semi-automatic unit across all listed configurations, meaning the fluid capacity figures represent a full transaxle service fill rather than a separate gearbox-only measurement.
  • The GLA 250 (156.944) and GLA 250 4MATIC (156.946) share an identical 5.3-liter fluid capacity, applying uniformly across the 2014-2020 model years for both front-wheel-drive and all-wheel-drive variants of that engine family.
  • The GLA 45 AMG 4MATIC (156.952) carries a 5.5-liter capacity, which is 0.2 liters greater than the GLA 250 configurations, reflecting a difference in transaxle sizing between the standard and AMG powertrain applications.
  • Under normal use conditions, the GLA 250 and GLA 250 4MATIC are specified for a fluid change at 62,000 miles or 60 months, whichever comes first, placing the interval at roughly five years or just over 60,000 miles of operation.
  • The GLA 45 AMG 4MATIC produced in 2014-2015 carries a change interval of 30,000 miles or 36 months under normal use, which is approximately half the mileage interval assigned to the GLA 250 variants despite both being classified under the same normal use condition.
  • A minor interval revision appears between the two GLA 45 AMG 4MATIC specification entries: the 2014-2015 production period lists a 30,000-mile change interval, while the 2015-2020 period lists 31,000 miles, with the 36-month time limit remaining unchanged across both entries.
  • The 36-month time-based interval on the GLA 45 AMG 4MATIC is notably shorter than the 60-month interval on the GLA 250 variants, indicating a more frequent service cadence by time regardless of mileage accumulation.

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