Rear Differential

for 2025 Mercedes-Benz A45 AMG W177 2.0L I4 Turbo M139 · AWD

Fluid Type

75W-90 synthetic gear oil with limited-slip additive

Spec: MB 235.20

Capacity

2.1qt

1.99 L

Drain & Refill

2.1 qt

1.99 L

Data quality

Book-style estimate

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Notes

4MATIC+ rear differential with AMG Performance Torque Vectoring; factory fill for life but service recommended every 40k-60k miles for track/performance use

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Other fluid systems on this vehicle

Automatic Transmission

7.4 qt

Washer Fluid

3.7 qt

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