Depending on your long term plans for the car, you may want to consider refreshing the pink colored vacuum acutators that control the "doors" for the heater and ventilation, since the dash and center console will be out for the heater core job.

Thank you for that hint. I'd not thought about the actuators, as mine all work.

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My first Mercedes Benz. 4/6/07.

1984 190E (201 024) 2.3L four.

If you are pulling the dash I'd strongly recommend that you do all of the vacuum actuators.