190E 2.3 (201.028) L4-2.3L (102.985) (1987)
2nd version
8
On 2nd version, check whether the blend air flaps (noticed by the air coming out of lateral outlets, right) are closed. If required, turn
connecting rod (a) to the left or right.
9
Disconnect vacuum tester and connect vacuum line green to vacuum element (37).