2010 Mercedes Benz C 300 (204.054) V6-3.0L (272.947) Page 705

Figure legend

- 043Pressure gage

- 055Measuring beaker

- 069Pressure hose(119 589 04 63 00)

Warning!On USA vehicles with code 917 ( PZEV ), the sealing ring of the service valve for the protective cap must be replaced.Test sequence

- Switch off ignition.

- Connect test pressure gauge.

- Connect socket box (126-pin) to component N3/10 (ME-SFI [ME] control unit).

- Insert bridge.:

- Bridge between sockets [F.4] 100 and [F.17] 113 of the 126-pole socket box tester.

- Switch on ignition.

- Component M3 (Fuel pump) runs.

- Warning! Insert bridge only for a short time.

Specified value

- Pressure[3.7...4.2] bar

Question

- Is the measurement value OK?