Main air flap vacuum element replaced by new version - BT83.10-P-0001-04S
WARNING: This page does not describe the selected car, but rather 42 other vehicles, including the 1999 Mercedes-Benz S600, 1999 Mercedes-Benz S500, 1999 Mercedes-Benz S420, 1999 Mercedes-Benz S320, and 1999 Mercedes-Benz CL600. However, it is still accessible from the selected car via links, so may be relevant.
MODEL WDB140.### #A as of 1.1.94 with CODE (581a) Air conditioning (automatic)
Location
Left (43) and right (44)
main air flap vacuum
element up to
VIN 182 367.
Location
Main air flap (44)
vacuum element as of
VIN 182 368.
Since 01/94 the main air flap (43) vacuum element has been eliminated on the fresh air/recirculated air control, the main air flap (44) vacuum element is designed as a single-stage version only.
The replacement part is available only in the new version with one
vacuum element. When replacing the air collection housing connect the present lead (drt) to the main air flap vacuum element (44) and close lead (mgn/hbl) with a blind plug (000 987 29 45).
It is not necessary to replace valve block (Y11).
| Vacuum element 43 + 44 | Vacuum element 44 | Vacuum element 49 | ||
| up to VIN 182 367 | Fresh air | opens both stages | closes | |
| 80 % recirculated air | opens one stage | - | opens | |
| 100 % recirculated air | closes | - | opens | |
| Valve block connection (Y11) | 11 (drt) und 10 (mgn/hbl) | - | 10 (mgn/hbl) | |
| as of VIN 182 368 | Fresh air | - | opens | closes |
| 80 % recirculated air | - | opens | opens | |
| 100 % recirculated air | - | closes | opens | |
| Valve block connection (Y11) | - | 11 (mgn/hbl) | 10 (drt) |