Mercedes ISM Replacement Service Intelligent Servo Module (FBS3)

Mercedes ISM Replacement Service Intelligent Servo Module (FBS3)

£550.00

MotorTronics provides a prompt replacement service for your electronic modules. The modules go through various data extraction and programming processes to ensure your replacement is programmed correctly. Only after this, we pass it and it’s ready for dispatch.

All that is left for you to do is:

1. Click Buy it Now / Add to Cart.
2. Fill in the Repair Form provided after the payment page, also emailed.
3. Send your original module (Marked Original) with the Repair Form.
4. Await while we have your part(s).
5. Once received, simply plug it in and then use your diagnostic tool to adapt and clear codes.

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Description

Mercedes ISM Replacement Service Intelligent Servo Module (FBS3)

Is your Mercedes Benz displaying an error message “Drive to the workshop without changing gear”? Then you have a faulty ISM.

Other symptoms include car not shifting gears between P, R, N, or D.

The Intelligent Servo Module’s (ISM) main purpose is to enable the system to read the selected drive position via electrical signals and to engage the drive position via a mechanical interface on the transmission. The Mercedes ISM system is located on the driver’s side on the transmission housing.

This service is suitable if you have any of the symptoms listed below:

  • The vehicle hardly starts.
  • The vehicle’s gear won’t shift.
  • Revs at high rpm.
  • The cluster light goes off.
  • The vehicle won’t crank due to loss of communication from the Transmission Control Module.
  • Error data from the actuator motor in the component A80 of the Intelligent Servo Module (ISM)
  • Car shakes badly in idle.

Common fault codes are:

  • 1904 The internal mechanism in component A80 for engaging select or lever position P is not in the correct position.
  • 1974 Selector lever position P was engaged due to a fault occurring in component A80 (intelligent servo module for DIRECT SELECT) or in the vehicle communications
  • 1922 System shut down due to an internal fault
  • 1994 Component A80 (Intelligent Servo Module for Direct Select) is defective

Information that we need:

  • Part number of your unit
  • Short description of the problem
  • Diagnostic report or diagnostic error/trouble codes with transcriptions of the errors

According to your diagnostic error/trouble codes, we will decide where and what the problem is and advise how to proceed.

If you are experiencing any of the above-listed issues with your car, then contact us to see how we can help you.

This is a Replacement Service:

  1. You will need to send us your VIN and vehicle registration when placing your order.
  2. You will need to send us your old ISM for data extraction.
  3. We will supply you with a new replacement programmed to your vehicle’s immobiliser.
  4. This service usually takes 5 working days but can take up to 10 working days.
  5. In some cases, your ISM will need adaptations using a diagnostic tool such as Autel/Launch/Star Mercedes.

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