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What to Do When Your Mercedes Sprinter Vito Shows Start Error



- How to diagnose start error? - How to repair start error? - Conclusion: Summary and tips - FAQs: Common questions and answers H2: Introduction - Explain what start error is and how it affects the vehicle - Mention the common causes of start error, such as data corruption, battery issues, key problems, etc. - State the main purpose of the article: to provide a step-by-step guide on how to fix start error H2: How to diagnose start error? - Describe the symptoms of start error, such as no start, start error message on dash, etc. - Suggest some simple checks to do before going deeper, such as testing battery, trying different keys, etc. - Explain how to use a diagnostic tool or a service to pinpoint the fault location, such as ECU, WSP, antenna coil, fuel pump, etc. H2: How to repair start error? - Provide a general overview of the repair process: synchronizing keys, WSP and ECU - Give detailed instructions on how to remove and reinstall the ECU and WSP - Provide a table with the pinout and wire colors of the WSP plug - Explain how to test for power on the WSP plug and what to do if there is no power - Provide a link to a service that can repair start error remotely or locally H2: Conclusion - Summarize the main points of the article: what is start error, how to diagnose it and how to fix it - Give some tips on how to prevent start error in the future, such as maintaining battery, using original keys, avoiding jump starting, etc. - Invite the reader to leave a comment or contact for more information H2: FAQs - Provide 5 unique FAQs with brief answers, such as: - What is the difference between CR1, CR2 and CR3 ECU? - How much does it cost to repair start error? - Can I use any diagnostic tool to read start error codes? - Will I lose any data or settings after repairing start error? - How long does it take to repair start error? # Article with HTML formatting How to Fix Mercedes Sprinter Vito Start Error




If you own a Mercedes Sprinter Vito, you may have encountered a frustrating problem called start error. This is when your vehicle refuses to start and displays a message on the dash saying "start error". This can happen for various reasons, such as data corruption in the engine control unit (ECU) or the immobilizer box (WSP), battery issues, key problems, antenna coil failure, fuel pump failure, etc.




Mercedes Sprinter Vito Start Err



In this article, we will explain what start error is and how it affects your vehicle. We will also show you how to diagnose start error using some simple checks and a diagnostic tool. Finally, we will provide you with a step-by-step guide on how to repair start error by synchronizing your keys, WSP and ECU. By following this guide, you should be able to fix your Mercedes Sprinter Vito start error and get your vehicle running again.


How to diagnose start error?




The first step in fixing your Mercedes Sprinter Vito start error is to diagnose the problem. Start error can have different symptoms depending on the cause. Some of the common symptoms are:



  • No start: The engine does not crank or turn over at all.



  • Start error message: The dash displays a message saying "start error" when you try to start the vehicle.



  • No communication: The diagnostic tool cannot communicate with the ECU or the WSP.



  • No power: The WSP plug does not have power on either pin 3 or pin 7.



To diagnose start error, you should first try some simple checks before going deeper. These are:



  • Test your vehicle's battery to make sure it is in good condition and has enough charge.



  • Try a different key or try the original key on its own with no other keys surrounding the ignition.



  • Check if there are any other warning lights or messages on the dash that could indicate another problem.



If you have done these checks and you still have start error, you will need to use a diagnostic tool or a service to pinpoint where the fault lies. You can use any diagnostic tool that can communicate with Mercedes vehicles, such as Star Diagnosis or Autel. You can also use a service that can remotely diagnose your vehicle using your smartphone or laptop.


To diagnose start error using a diagnostic tool or a service, you will need to access the ECU and the WSP. The ECU is normally mounted behind or underneath the glove compartment. The WSP is clamped to the back of the instrument cluster. You will need to remove these components carefully and connect them to your diagnostic tool or service.


The diagnostic tool or service will then scan your vehicle for any fault codes or immobilizer counters that could indicate start error. Some of the common fault codes are:



  • P1570: Immobilizer communication failure



  • P1610: Immobilizer malfunction



  • P1611: Wrong transponder key



  • P1612: Antenna coil circuit failure



  • P1613: Fuel pump circuit failure



The diagnostic tool or service will also check if your keys are synchronized with your WSP and ECU. If they are not synchronized, you will get start error.


How to repair start error?




The second step in fixing your Mercedes Sprinter Vito start error is to repair the problem. The repair process involves synchronizing your keys, WSP and ECU so that they can communicate properly and allow your vehicle to start.


To repair start error, you will need to follow these steps:



  • Remove your ECU and WSP from your vehicle as described above.



  • Synchronize your keys with your WSP using a special device called an IR Key Programmer. This device can read and write data from your keys and WSP using infrared signals. You can buy this device online or use a service that can do this for you remotely or locally.



  • Synchronize your WSP with your ECU using a special software called Sprinter Start Error Repair Software. This software can read and write data from your WSP and ECU using a USB cable. You can download this software online or use a service that can do this for you remotely or locally.



  • Reinstall your ECU and WSP in your vehicle as described above.



  • Start your vehicle and check if start error is gone.



To help you with these steps, we have provided some detailed instructions below:


How to remove and reinstall your ECU and WSP?




To remove your ECU from your vehicle, you will need to do the following:



  • Disconnect your battery negative terminal.



  • Open your glove compartment and remove any items inside.



  • Squeeze both sides of the glove compartment inward until it drops down.



  • Locate your ECU behind or underneath the glove compartment. It should be a metal box with wires coming out of it.



  • Unplug all the connectors from your ECU by pressing down on the tabs and pulling them out.



  • Unscrew all the bolts holding your ECU in place using a 10mm socket wrench.



  • Carefully pull out your ECU from its bracket.



To reinstall your ECU in your vehicle, you will need to do the following:



  • Carefully slide in your ECU into its bracket.



  • Screw all the bolts holding your ECU in place using a 10mm socket wrench.



  • Plug all the connectors into your ECU by pushing them in until they click.



  • Lift up your glove compartment until it snaps back into place.



  • Put back any items inside your glove compartment.



  • Reconnect your battery negative terminal.



To remove your WSP from your vehicle, you will need to do the following:



  • Disconnect your battery negative terminal.



  • Tilt down your steering wheel until it locks in place.



  • Pry off the plastic cover around your instrument cluster using a flathead screwdriver or a trim removal tool.



  • Unscrew all the screws holding your instrument cluster in place using a Phillips screwdriver.



  • Unplug the connector from your WSP by pressing down on the tab and pulling it out.



  • Unclamp your WSP from the back of your instrument cluster by pressing down on the tabs and pulling it out.



To reinstall your WSP in your vehicle, you will need to do the following:



  • Clamp your WSP to the back of your instrument cluster by pushing it in until it clicks.



  • Plug the connector into your WSP by pushing it in until it clicks.



  • Carefully slide in your instrument cluster into its slot.



  • Screw all the screws holding your instrument cluster in place using a Phillips screwdriver.



  • Put back the plastic cover around your instrument cluster by snapping it in place.



  • Tilt up your steering wheel until it locks in place.



  • Reconnect your battery negative terminal.



How to synchronize your keys with your WSP?




To synchronize your keys with your WSP, you will need to use an IR Key Programmer. This is a device that can read and write data from your keys and WSP using infrared signals. You can buy this device online or use a service that can do this for you remotely or locally.


To synchronize your keys with your WSP using an IR Key Programmer, you will need to do the following:



  • Connect your IR Key Programmer to your computer using a USB cable.



  • Install the driver and software for your IR Key Programmer on your computer.



  • Launch the software and select the model and type of your vehicle.



  • Insert one of your keys into the ignition and turn it to position 1 or 2.



  • Place your IR Key Programmer near the key and press the read button on the software.



  • The software will display the key data on the screen. Check if the key data is correct and save it as a file.



  • Repeat steps 4-6 for all of your keys that you want to synchronize.



  • Remove one of your keys from the ignition and place it near the IR Key Programmer.



  • Select one of the key files that you saved and press the write button on the software.



  • The software will write the key data to your key using infrared signals. Wait until the process is completed and check if the key is working.



  • Repeat steps 8-10 for all of your keys that you want to synchronize.



How to synchronize your WSP with your ECU?




To synchronize your WSP with your ECU, you will need to use a Sprinter Start Error Repair Software. This is a software that can read and write data from your WSP and ECU using a USB cable. You can download this software online or use a service that can do this for you remotely or locally.


To synchronize your WSP with your ECU using a Sprinter Start Error Repair Software, you will need to do the following:



  • Connect your ECU and WSP to your computer using a USB cable.



  • Download and install the Sprinter Start Error Repair Software on your computer.



  • Launch the software and select the model and type of your vehicle.



  • Select read ECU data option and wait until the software displays the ECU data on the screen. Check if the ECU data is correct and save it as a file.



  • Select read WSP data option and wait until the software displays the WSP data on the screen. Check if the WSP data is correct and save it as a file.



the ECU data to your ECU using a USB cable. Wait until the process is completed and check if the ECU is working.


  • Select write WSP data option and select one of the WSP files that you saved. The software will write the WSP data to your WSP using a USB cable. Wait until the process is completed and check if the WSP is working.



Conclusion




In this article, we have explained what start error is and how it affects your Mercedes Sprinter Vito. We have also shown you how to diagnose start error using some simple checks and a diagnostic tool or service. Finally, we have provided you with a step-by-step guide on how to repair start error by synchronizing your keys, WSP and ECU.


By following this guide, you should be able to fix your Mercedes Sprinter Vito start error and get your vehicle running again. However, if you encounter any difficulties or need any assistance, please feel free to contact us or leave a comment below. We will be happy to help you with your start error problem.


Here are some tips on how to prevent start error in the future:



  • Maintain your battery in good condition and charge it regularly.



  • Use original keys and avoid losing or damaging them.



  • Avoid jump starting your vehicle or using a faulty charger.



  • Keep your ECU and WSP clean and dry.



  • Check for any other issues that could affect your vehicle's performance.



FAQs




What is the difference between CR1, CR2 and CR3 ECU?




CR1, CR2 and CR3 are different types of ECU that are used on Mercedes Sprinter Vito vehicles. They have different software versions and hardware configurations. You can identify your ECU type by looking at the label on the ECU or by reading the ECU data using a diagnostic tool or service.


How much does it cost to repair start error?




The cost of repairing start error depends on the cause and the method of repair. If you can repair start error yourself using an IR Key Programmer and a Sprinter Start Error Repair Software, you will only need to buy or rent these tools online or use a service that can do this for you remotely or locally. The cost of these tools or services may vary from $50 to $500 depending on the quality and availability. If you need to replace any parts or use a professional service to repair start error, you will need to pay more depending on the part price and labor fee.


Can I use any diagnostic tool to read start error codes?




You can use any diagnostic tool that can communicate with Mercedes vehicles, such as Star Diagnosis or Autel. However, not all diagnostic tools can read all the fault codes or immobilizer counters that could indicate start error. You may need to use a specific diagnostic tool or service that can read these codes or counters.


Will I lose any data or settings after repairing start error?




No, you will not lose any data or settings after repairing start error. The repair process only involves synchronizing your keys, WSP and ECU without changing any other data or settings. However, it is always advisable to backup your data or settings before repairing start error in case of any unexpected errors.


How long does it take to repair start error?




The time it takes to repair start error depends on the cause and the method of repair. If you can repair start error yourself using an IR Key Programmer and a Sprinter Start Error Repair Software, it may take you from 30 minutes to 2 hours depending on your skills and experience. If you need to replace any parts or use a professional service to repair start error, it may take longer depending on the availability and location of the parts or service.



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