Looks like the actuation of my center vent on the 91 is finally failing. I have no interest in removing the dash and replacing pods (I have a perfectly-working Mercedes...it's called a CDI...haha). All I want to do is jam the vent open. I am happy either to have heat coming through the center vent or close it manually if I so desire.

When I remove the glove box liner and detach the air duct coming from the right side, and I stick my hand in there, is that where I should be able to push the vent?

I need smaller hands...may need to enlist my wife's support.

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14 E250 Bluetec 4Matic "Sinclair", Palladium Silver on Black, 160k miles
06 E320 CDI "Rutherford", Black on Tan, 180k mi, Stage 1 tune, tuned TCU
91 300D "Otis", Smoke Silver on Tan, 145k mi, wastegate conversion, ALDA delete

19 Honda CR-V EX 79k mi
Fourteen other MB's owned and sold
1961 Very Tolerant Wife