2010 Mercedes Benz C 300 (204.054) V6-3.0L (272.947) Page 855

- Switch on ignition.

Status of relevant actual value:

- Intake air temperature:Warning! Communication with ECU required.

Specified value

- If the connector is unplugged at component B2/5b1 (Intake air temperature sensor), value [ -40锟斤拷 C ] is displayed.

- Bridge pin 2 in pin 3 at the unplugged connection of component B2/5b1 (Intake air temperature sensor).The value is approx. [ 150锟斤拷 C ] for a

short period of time and drops back down to the substitute value of approx. [ -40锟斤拷 C ].

Question

- Is the actual value o.k.?

YES

The actual value is okay.Further possible causes of fault

- Check internal resistance of component B2/5b1 (Intake air temperature sensor).