2010 Mercedes Benz C 300 (204.054) V6-3.0L (272.947) Page 947

- A -ConnectionTest cable 35-pin socket box

- 001 -Sockets of component N3/10 (ME-SFI [ME] control unit)

- 05 -35-pin socket box

- 050 -126-pin socket box

- 108 -Test cable 266 589 01 63 00

- N3/10 (ME-SFI [ME] control unit)

- II 1-63ConnectionTest cable

- III 64-126ConnectionTest cable

Warning!

- Connection A of test cable 108 may NOT be connected to connection B of the 126-pin socket box (050).

Continue to test with button F2

Test sequence

- Switch off ignition.

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

- Measure direct current with multimeter between sockets [F.4] 100 and [M.5] 5 of the 126-pole socket box tester.

- Switch on ignition.

Specified value

- Amperage [1.5...2.2] A

Question

- Is the measurement value OK?

YES

The measurement value is OK.Possible cause and remedy

- In the event of stored faults with a high fault frequency count or in the event of customer complaints, check lines and connectors for loose

contact and corrosion..

End of test

NO

The measurement value is not OK.Possible cause and remedy

- N10/1f54 (Fuse 54)

- Check line from control module N3/10 (ME-SFI [ME] control unit) to component Y10/1 (Power steering pump pressure regulator valve).

- Y10/1 (Power steering pump pressure regulator valve)