Removing and installing switchover valve block - AR83.10-P-5660D

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 140.### ## up to 287999

Fig 1: Identifying Switchover Valve Block

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

	Removal, installation
1	Remove glove compartment		ra68001400140x
2	Pull off vacuum lines by pressing removal aid to right with screwdriver
3	Remove holder with vacuum lines from valve block
4	Disconnect 4-pin electrical connector from valve block
5	Push valve block (Y11) to right and remove	Installation: After installing the valve block check for proper function and erase DTC memory in automatic air conditioning pushbutton control module.
6	Reinstall in opposite order