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Home >> Mercedes Benz >> 2003 >> CLK320 2D Convertible >> Repair and Diagnosis >> External Pages >> Different car >> Section 1 (A/C-Heater Systems - Automatic) >> Testing >> Vacuum System Tests >> Vacuum System Test Preparation

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.
  1. Turn ignition on.
  2. Press REST and recirculation buttons for at least 5 seconds.
  3. Connect medium Green vacuum line (connection No. 5) to vacuum tester or vacuum pump. See VACUUM DIAGRAMS .
  4. Blower motor speed will increase.