2010 Mercedes Benz C 300 (204.054) V6-3.0L (272.947) Page 925

Test prerequisites

- Actuation is not OK.

Test sequence

- Measure direct current with multimeter between sockets (F.4) 100 and (M.19) 19 of the 126-pole socket box tester.

- Switch on ignition.

Specified value

- Amperage[0.2...0.6] A

Question

- Is the measurement value OK?

YES

The measurement value is OK.Further possible causes of fault

- Vacuum unit for variable intake manifold

End of test

NO

The measurement value is not OK.Possible cause and remedy

- Voltage supply of component Y22/9 (Intake manifold tumble flap switchover valve)(N10/1f57 (Fuse 57))

- Wiring from control unit N3/10 (ME-SFI [ME] control unit) to component Y22/9 (Intake manifold tumble flap switchover valve)

- Y22/9 (Intake manifold tumble flap switchover valve)

5. No further information available.

1187

Y22/9 (Intake manifold tumble flap switchover valve) : Open circuit (P2008)

Possible cause:

- Y22/9 (Intake manifold tumble flap switchover valve)

- N10/1kI (Circuit 87 relay, engine)