2010 Mercedes Benz C 300 (204.054) V6-3.0L (272.947) Page 1258

- Component B14 (Ambient temperature display temperature sensor) is defective.

End of test

NO

The actual value is not o.k.Possible cause and remedy

- Check lines from B14 (Ambient temperature display temperature sensor) to N10/1 (Driver-side SAM control unit with fuse and relay module)

for Short circuit or open circuit.

- Component N10/1 (Driver-side SAM control unit with fuse and relay module) is defective.

End of test

1.2. Check component B2/5b1 (Intake air temperature sensor).

Test 1.2.1: Check component B2/5b1 (Intake air temperature sensor) using actual value.

Test 1.2.2: Check plausibility of actual value B2/5b1 (Intake air temperature sensor) in control module ME 9.7.

Test 1.2.3: Check internal resistance of component B2/5b1 (Intake air temperature sensor).

1.2.1. Check component B2/5b1 (Intake air temperature sensor) using actual value.

Test prerequisites

- Switch off ignition.

- Leave vehicle with engine hood open for > 12 h.

Note

- The test prerequisites must be fulfilled for the test result to be meaningful.