13 90 500 Replacing right tank vent valve (S63 B44 T 0)

Necessary preliminary tasks:

Unlock connector (1) and remove.

Unlock hose (2) and detach.

Pull off tank vent valve (3) from holder.

Fig 1: Pulling Tank Vent Valve From Holder

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Unlock hose (1) on intake plenum and detach.

Feed out and remove tank vent valve.

Fig 2: Identifying Intake Plenum Hose

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NOTE: Read out the fault memory of the DME control unit.

Delete fault memory.