How to Fix a Mercedes Ignition Key That Won't Work

One of the most annoying issues to face when you own a Mercedes is the ignition key that doesn't work. It could also be an indication of other issues.

There are three main causes for Mercedes Benz ignition keys problems. This includes a bent key or cable that is not in good condition, and an electronic switch that's not working.

Loose Cable

The loose cables could cause the ignition key of your Mercedes to become stuck. This issue can be resolved with an easy tightening of the cable that connects to the shifter.

Make sure the nut at the end of the cable that connects to the shifter is tightly tucked so that the wire does not sag. This is especially crucial if your Mercedes is in park position. The shifter will move the cable by about 1/16 inch and this could cause your key to be stuck.

This loose cable could also cause your key to be tied to the steering wheel lock. This is an important security feature of your Mercedes. It stops potential thieves from pushing the car away, or using the steering wheel to steer without having a key.

Another issue that may arise when using a mercedes ignition key is that the electronic switch may become worn down and need to be replaced. This can be a fairly simple repair, however you need to make sure that the new switch matches the existing one.

A damaged switch could cause your vehicle to stall the engine, all lights to go out and the radio not functioning when the key is pressed. You can either take your Mercedes to the repair shop or buy a new OEM Mercedes ignition button.

Certain ignition keys from Mercedes can become stuck in place even when the car is in park. This is a frequent issue in older Mercedes models and is usually caused by a loose cable that connects the locking mechanism in your ignition assembly to the shifter.

If you have a lock that is locked in place, you must try a jumpstart and determine if this fixes the issue. This is a great method to test the battery and it's an easy and cheap solution.

There are many reasons your Mercedes ignition keys might not work. The most frequent reason is an unbalanced or dead battery. This issue is common to all models and makes of vehicles. You should consult an auto mechanic to find the root reason.

Electronic Switch

The ignition switch is an essential electronic part of a vehicle. As the key is turned it triggers various systems. The first position turns on electrical components, the second power on fuel and ignition systems, and the third turns the engine.

Each ignition key from mercedes is unique. When you insert the key into your vehicle's ignition the electronic switch will verify that it's valid. If it's valid it sends signals to the steering lock (if your vehicle has one) and other computer components to unlock the door. This is a great method to allow you to start your car quickly and easily -- and even if you have lost your keys, you can still gain entry and exit without any trouble.

But, despite the fact that we enjoy the convenience of our ignition switches they can be a source of serious trouble for our roads. If your ignition switch is defective it might not be able to provide enough power to your car’s vital electrical components or could have a problem with the connections that could prevent you from starting your vehicle.

One of the most common symptoms of a faulty ignition switch is that it can't start your vehicle at all. This is usually due to the issue that the switch does not change to the "on" position, which powers on ignition or fuel systems.

Another indication of a damaged ignition switch is that the key isn't in the first position, where you could look for warning indicators on the dashboard. Usually, these lights light up when you hit the ignition button. They they dim when your car is running.

In certain instances the dashboard lights remain dark even after you turn the key to "on". This is due to the fact that the ignition switch temporarily supplies power to the fuel pump, ignition systems if the key is turned to "on". However it will shut off the power when the key is removed.

If you are experiencing any of these problems, the best option is to seek the advice of an auto mechanic. An expert can tell you whether the switch is malfunctioning and the steps to do to fix it.

Locking the Steering Wheel

Mercedes ignition keys include an anti-theft feature. If someone attempts to steal your car and turns the steering wheel without being present, the key will activate the steering lock and stop your vehicle from moving.

This measure of security protects you and your family members from being the victim of an act of crime. It also prevents thieves from stealing your car.

However, there are times when the lock won't unlock or is locked. This can happen for many reasons, such as worn or damaged ignition tumblers. You can either purchase the replacement key or repair it yourself.

The first step to fix this is to remove the ignition lock assembly. To do this, you must remove the plastic cover that covers the ignition, and take out the fasteners.

Once you've removed your ignition lock assembly, you'll be able to replace it with a brand new one. It is essential to ensure that the new part is a perfect match to the parts of your vehicle. This will ensure that the locking mechanism works well when it's reinstalled.

It is also important to ensure that the new ignition lock is installed properly and that all of the clips are in the correct position. This is especially important for older models.

Wear and wear and tear on the tumblers may also cause your mercedes ignition keys to get stuck in their locked position. This is not an uncommon problem and should be repaired before the cylinder gets totally stuck or snaps off.

To unlock the mercedes ignition lock that is locked in its position, apply a small pressure to the key while simultaneously turning the key. It's best to do this slowly and gently in order to avoid damaging the lock mechanism or the key.

This is a straightforward process that will solve your issue within a short time. It's also a great method to ensure that your Mercedes ignition is secure and ready to drive at any time you need it. For more information or to set up an appointment, contact Mercedes-Benz Centerville near Kettering.

Tumbler

When the key is inserted into the ignition of your Mercedes it will send detailed infrared signals to the electronic ignition switch to begin the engine. As the infrared data matches up with what is stored in the ECU the Mercedes will begin to turn. This starts the car's engine, and also powers the numerous systems inside it.

If your car isn't starting, it might be time to examine the ignition lock tumbler. In some instances, the tumbler will simply get worn out and will require replacement. Sometimes, the tumbler may not be able the electronic ignition button.

The most obvious indication that the most obvious sign that your Mercedes ignition lock tumbler might be defective is when it does not rotate in the proper direction. This can be frustrating as you might have to fight the lock for a long time before turning.

Another indication of an ignition lock tumbler that's not working properly is that it could stop working or even block the key when it's placed into the lock. If this occurs it's crucial to take the vehicle to a local Mercedes specialist so that they can look over and repair the ignition lock tumbler.

Other possibilities for the Mercedes Benz ignition lock tumbler that won't turn is the possibility of a bent or worn out key. If your key has a bent end, you must flatten the bent end using a hammer and try to turn it again. Be sure to make use of a soft-headed hammer, and tap it very carefully.

Finally, if your key is stuck in the ignition lock cylinder, you may be able to get it untangled by gently jiggling the steering wheel. But, this can be challenging and you must be careful not to break the key as you try to untangle it.

You can purchase a replacement keyed Mercedes-Benz ignition lock tumbler if it's damaged or is missing. These parts are made to fit your Mercedes original locks, so they will work with your Mercedes' system.