Engine and engine cooling: engine: diesel
- Component
- Engine and engine cooling: engine: diesel
- Manufacturer
- MERCEDES-BENZ USA, LLC.
- Vehicles affected
- 9,004
- Reported to NHTSA
- 2008-01-09
- Owners notified
- 2008-02-04
Defect description
ON CERTAIN PASSENGER VEHICLES EQUIPPED WITH DIESEL ENGINES, THE CRANKSHAFT SENSOR COULD FAIL DUE TO SEPARATION OF BOND WIRES FROM THE LEAD FRAME IN THE SENSOR. THIS RESULTS IN AN INTERRUPTION IN THE ELECTRICAL CONNECTION IN THE CHIP HOUSING OF THE SENSOR.
Safety risk
WHEN THIS HAPPENS, THE VEHICLE MAY LOSE POWER RATHER THAN ENTER A LIMP-HOME MODE. IN ADDITION, THE VEHICLE CANNOT BE RESTARTED AFTER FAILURE OF THE ELECTRICAL CONNECTION IN THE SENSOR, INCREASING THE RISK OF A CRASH.
Manufacturer remedy
DEALERS WILL REPLACE THE CRANKSHAFT SENSOR. THE RECALL BEGAN ON FEBRUARY 4, 2008. OWNERS MAY CONTACT MERCEDES-BENZ AT 1-800-367-6372.