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P0757 Mercedes-Benz Code - Shift Solenoid 'B' Performance or Stuck On

- Code Popularity: 4,602 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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By AutoCodes.com - Updated Jun 14, 2020
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|Code P0757 Mercedes-Benz Possible Causes

  • Low transmission fluid level
  • Dirty transmission fluid
  • Faulty shift solenoid 'B' valve
  • Shift solenoid 'B' valve harness or connectors
  • Shift solenoid 'B' valve circuit is open or shorted

|How do I Fix the Code P0757 Mercedes-Benz?

Check the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.

Does your Mercedes-Benz have Safety Recalls? → Check here

|Code P0757 Mercedes-Benz Tech Notes

When the a transmission solenoid is stuck on, in most cases the problem is not the electrical part of the solenoid; the problem is foreign material obstructing the mechanical function of the solenoid or the flow of the fluid through the transmission valve body. If the transmission fluid is very dirty, it is recommend changing the transmission fluid and if possible removing the transmission pan for further diagnosis. Excessive debris or metal particles on the transmission pan could be an indication that there is a transmission mechanical failure and that the transmission will need to be rebuilt or replaced.

|What is the Cost to Diagnose the Code P0757 Mercedes-Benz?

Labor: 1.0

The cost of diagnosing the P0757 Mercedes-Benz code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.

|When is the Code P0757 Mercedes-Benz Detected?

The P0757 code is detected when the ECM has detected a mechanical fault with the solenoid energized, valve stuck on

|What are Code P0757 Mercedes-Benz Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)
  • Transmission will not shift gears

|Code P0757 Mercedes-Benz Description

Shift solenoid valve B is turned ON or OFF by the Transmission Control Module (TCM) in response to signals sent from the park/neutral position (PNP) switch, vehicle speed and Engine Control Module (ECM) (throttle opening). Gears will then be shifted to the optimum position.

OBDII Code P0757 Mercedes-Benz - Shift Solenoid 'B' Performance or Stuck On - AutoCodes.com
P0757 Mercedes-Benz Code - Shift Solenoid 'B' Performance or Stuck On

|Need More Information on the P0757 Mercedes-Benz Code?

Need more information on how to fix the P0757 Mercedes-Benz code? Get Access to Factory Service Manuals

|Need Help with the P0757 Mercedes-Benz Code?

Get the P0757 Mercedes-Benz code diagnosed by a professional: Find a repair shop in your area

|Code P0757 Mercedes-Benz comments

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