Vacuum System Test Preparation
WARNING: This page is about a different car, the 1999 Mercedes-Benz CLK430, 1999 Mercedes-Benz CLK320, and 1998 Mercedes-Benz CLK320. However, it is still accessible from the selected car via links, so may be relevant.
- Turn ignition on.
- Press REST and recirculation buttons for at least 5 seconds.
- Connect medium Green vacuum line (connection No. 5) to vacuum tester or vacuum pump. See VACUUM DIAGRAMS .
- Blower motor speed will increase.