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Restoring Power Steering Oil Level

Model: Mercedes Classe M W163 - Years 1997-2005
Part: Steering wheel

Whenever you perform maintenance on the power steering that may involve the pump or the steering box, restore the oil level in the circuit to avoid air bubble formation. Once installation is complete, keep the vehicle raised to unload the wheels, fill the reservoir with specific oil (not all oils are the same; each system has its specific oil), and without starting the engine, repeatedly turn the steering wheel from lock to lock to circulate the oil in the system and bring it to the correct level. Then lower the vehicle and start the engine to check the level again.

Updated on 17 February 2026 by ScegliAuto

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