Connect/disconnect tester at brake booster - AR43.10-P-0024-01GZ

Fig 1: Identifying Test connection (168 589 08 63 00)

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Fig 2: Identifying Vacuum tester (201 589 13 21 00)

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Fig 3: Identifying Brake Booster Tester

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Shown on model 164.1 

Attaching 

Observe manufacturer's operating instructions to avoid erroneous measurements and incorrect operation.

Reduce any vacuum in the brake booster (3) by pressing the brake pedal several times.

1. Carefully detach vacuum line with check valve (2) from brake booster (3).
2. Connect test connection (4) for testing the vacuum line with check valve (2) or the brake booster (3) between the brake booster (3) and the vacuum line with check valve (2).
3. Connect vacuum tester (1) to test connection (4).

   Disconnecting 

4. Disconnect in reverse order.