How to Coding Power Steering Malfunction Mercedes W166?

Power Steering Malfunction Mercedes error will make using your car’s steering wheel more difficult, taking more effort while driving. When there is a problem with this system, it will cause certain inconveniences for the driver. When this error is displayed on the center meter, it means that your power steering system has stopped working and the first sign is to hit the volant very heavily or not to turn the volant anymore.

Power steering or Electronic Stability Program (ESP) is a mechanical device equipped on Mercedes-Benz that helps the driver control the vehicle by reducing the steering force required to steer, making it easier for the vehicle to turn or move. at lower speed.

Causes of Power Steering Malfunction Mercedes

Here are some causes of this Power Steering Malfunction warnings:

  • Low battery power
  • Fuse on the system
  • power steering pump failure
  • Broken oil distribution valve
  • Having software problem


In this article, we will share how to fix errors that lead to power steering malfunction with specialized coding software.

Required software and equipment before coding Power Steering Malfunction

To code or reprogram the ECU boxes on the Mercedes power steering malfunction, we need to prepare:

  •  DTS Monaco coding offline software
  • Specialized diagnostic equipment for Mercedes cars: C4 DOIP (Or you can use any diagnostic device that can work with specialized Mercedes software)
  • Laptop

Before proceeding with re-coding, you need to use Xentry software to diagnose and determine the error you are encountering.

Steps to coding Mercedes power steering malfunction by DTS Monaco software

After diagnosing and determining the error code, you can proceed to coding using the DTS Monaco software if your car is a model from 2018 to present. If your car is a Mercedes model from 2017 or earlier, you need to use Vediamo software.

Step 1: Connect DTS Monaco software to the vehicle

Step 2: Open DTS Monaco and connect ECU ESP

Step 3: Flash Programming ECU ESP


Step 4: Connect ESP on DTS Monaco


Step 5: Select Domain [002] Bremse VA, at “Internal coding” select as shown, and then proceed to code.


Step 6: Still in the Domain section, select [003] Lenkung and proceed as step 4.

Step 7: Do the same with [004] EinspurmodellPower-steering-malfunction-5

Step 8: continue coding from [006] to [011] and then proceed SOFTRESET


After following the above steps, in turn, the esp malfunction will be fixed and your vehicle will be back to normal. Wait about 30 seconds, then restart the car and check if the system is working properly.

Note when performing coding power steering malfunction Mercedes

  • Choose a computer with the right configuration for the coding software
  •  Always keep the computer fully charged when using coding
  • Choose the right ESP
  • Select the appropriate Domain
  • Follow the detailed steps in order

Just now is a compilation of steps to re-code ECU ESP to fix Power Steering that we have shared with everyone. However, these operations require users who have a lot of experience in using coding software with absolute precision. If you do not know how to fix this error or do not have time to fix it. Let our technicians help you repair remotely, saving you the most time and effort. You just need to message us via our website or WhatsApp: +13155472355 for advice and to schedule remote support.

If you are inexperienced in this, we are happy to support remote coding by a team of professional technicians. Contact us immediately to minimize the risks encountered.

You can watch more videos about coding and programming power steering malfunction Mercedes c300 at the youtube link below:

In addition, you can watch more videos on repair instructions, coding, software usage instructions,… on our youtube channel. The videos are made by experienced technicians at Eurocartool during the actual car repair process for customers.

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