Mercedes Sprinter Vito Start Err ((LINK))

Mercedes Sprinter Vito Start Err ((LINK))

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How to Fix Mercedes Sprinter Vito Start Error

If you own a Mercedes Sprinter Vito and you see a message on your dash that says \"Start Err\", you might be wondering what it means and how to fix it. This article will explain the possible causes of this problem and how to repair it.

The Start Error message on your Mercedes Sprinter Vito indicates that there is an immobiliser problem that prevents the communication between the WSP (Wireless Service Platform) immo box and the ECU (Engine Control Unit). This can happen due to various reasons, such as:

A flat or weak battery

A faulty or missing transponder in your key

A damaged or loose antenna coil on the ignition

A corrupted or mismatched data in the WSP or ECU

A faulty fuel pump or relay

To fix this problem, you will need to do some troubleshooting and testing to pinpoint the exact cause. Here are some steps you can try:

Check your battery voltage and condition. It should be above 12V and able to hold a charge. If not, replace or recharge your battery.

Try a different key or the original key on its own with no other keys surrounding the ignition. Sometimes, the transponder in your key might be damaged or interfere with other signals.

Check the antenna coil on the ignition for any signs of damage or loose connection. If it is faulty, replace it with a new one.

Check the power supply to your WSP and ECU. The WSP is located behind the instrument cluster and the ECU is normally mounted behind or underneath the glove compartment. You can use a multimeter to test the voltage on the plugs. Pin 3 on the WSP plug should have continuous +12V direct from the battery (red/yellow wire) and pin 7 should have ignition +12V when your key is in position 1 and 2 (black/yellow wire). If there is no power on either, check the fuses and wiring for any faults.

If all the above steps do not solve the problem, you might need to send your WSP and ECU to a specialist for repair or reprogramming. The Start Error message is caused by a corruption of data in these units, which can be fixed by restoring or matching the data. You will also need to send your existing key along with them. This way, you will not need to code them back to the vehicle and your vehicle data will remain unchanged.

By following these steps, you should be able to fix your Mercedes Sprinter Vito Start Error problem and get your vehicle running again. If you need more help or advice, you can contact us at info@autodiagprog.com or visit our website at https://www.autodiagprog.com.

Some of the common symptoms of a Start Error problem on your Mercedes Sprinter Vito are:

The engine does not crank or start at all

The engine cranks but does not start or starts and stalls immediately

The dash displays a message that says \"Start Err\" or \"Start Error\"

The key does not turn in the ignition or turns but does not activate the ignition

The immobiliser light flashes or stays on

If you experience any of these symptoms, you should not ignore them and try to fix the problem as soon as possible. A Start Error problem can leave you stranded and unable to use your vehicle. It can also affect other systems in your vehicle, such as the fuel pump, the injectors, the ignition coils, and the spark plugs.

There are some preventive measures you can take to avoid a Start Error problem on your Mercedes Sprinter Vito. These include:

Keeping your battery in good condition and charged. A low or dead battery can cause data corruption in the WSP and ECU.

Using only genuine or compatible keys for your vehicle. A wrong or damaged key can cause a mismatch or loss of data in the transponder.

Avoiding jump starting your vehicle or using a booster pack. A sudden surge of voltage can damage the WSP and ECU.

Avoiding exposure to extreme heat or cold. Temperature changes can affect the performance and reliability of the WSP and ECU.

Avoiding water or moisture ingress. Water or moisture can cause short circuits or corrosion in the WSP and ECU.

By following these tips, you can reduce the risk of a Start Error problem on your Mercedes Sprinter Vito and extend the lifespan of your WSP and ECU. 061ffe29dd