Install grooved ball bearing in rear transmission housing - AR27.50-P-0600-05A

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TRANSMISSION 722.6/9, 724.2

Press the grooved ball bearing (67) into the transmission housing using a suitable drift.
The plastic cage must face with the closed side towards the park pawl gear.
Insert retaining ring (68) in the groove.
Determine play between grooved ball bearing (67) and retaining ring (68) using feeler gauge.
There must be no play between the retaining ring (68) and the grooved ball bearing (67). If the retaining ring (68) cannot be inserted, a thinner one (68) must be used. If play is determined between the retaining ring (68) and the grooved ball bearing (67), a thicker retaining ring (68) must be inserted. Retaining rings (68) are available in thicknesses of 2.0, 2.1 and 2.2 mm.

Fig 1: Inserting Retaining Ring In Groove
Courtesy of MERCEDES-BENZ USA