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

One of the most difficult things to deal with when you own a Mercedes is an ignition key that won't work. It can be an indicator of other issues, too.

There are three primary reasons for Mercedes Benz ignition keys problems. They are bent keys cable, loose wires, and a malfunctioning electronic switch.

Loose Cable

Untight cables could cause the ignition key of your Mercedes to get stuck. This is an issue that can be solved by just tightening the cable that connects to the shifter.

Make sure the nut on the end of the cable that connects to the shifter is tightened tightly to ensure that the cable does not sag. This is particularly crucial in the event that you drive your Mercedes with the gear set in park position, since this causes the shifter to move the cable by about a 16th of an inch or so, which could cause your key to become caught.

The loose cable could cause your steering wheel lock to get stuck. This is a critical security feature for your Mercedes. It prevents potential thieves moving the car away or using the steering wheel to steer without the use of a key.

A mercedes ignition switch could be worn out and require to be replaced. This is a simple repair that can be completed quickly however it is essential to ensure that the new switch matches the one you have.

A defective switch could cause your car to stop, all lights to go out and the radio not functioning when the key is pressing. It is best to bring your Mercedes to a repair shop for repair, or simply purchase the new OEM Mercedes ignition switch.

Certain Mercedes ignition keys may get stuck even when the car's in park. This is a frequent issue with older Mercedes models. It is usually caused due to a loose cable linking the locking mechanism of your ignition assembly to your shifter.

If you have a key that is locked in place, you must try a jumpstart and see if this solves the issue. It's a quick and easy way to test the battery.

There are several other reasons that your mercedes ignition key may not be turning but the most common is the battery is dead. This is a common issue for all models and makes of vehicles. You should seek the advice of an automotive mechanic to determine the exact cause.

Electronic Switch

The ignition switch is an essential electronic component in a vehicle. As the key is turned it activates different systems. The first one activates electrical accessories, while second turns fuel and ignition systems. The third cranks the engine.

The ignition key from Mercedes is unique to each car when you insert it into your vehicle's ignition system the electronic switch examines the key to verify that it's legitimate. If it's valid it sends an alert to the steering lock (if your car has one) and other computer modules to unlock the door. This is a great method to help you start your car quickly and effortlesslyand even if lose your keys, you'll still access the car without difficulty.

However, even though we enjoy the convenience of our ignition switches they can pose serious dangers for drivers. If your ignition switch is defective, it could not send enough power to your car’s crucial electrical components or be missing crucial connections that can prevent you from starting your car.

A defective ignition switch can cause your car to not start at all. Most often, this is because the switch doesn't move to the "on" position- which powers on fuel and ignition systems.

A malfunctioning ignition switch may also cause the key to not go into the first position. This is where you should check for warning lights on the dashboard. Usually, these lights light up when you hit the ignition button. They fade when the car is running.

In other instances the dashboard lights remain dark after you move your key to the 'on position. The reason for this is because the ignition switch will momentarily provide electricity to the fuel pump and ignition systems if you switch the key to "on', but then it will stop power when the key is removed from the "on" position.

If you experience any of these issues, the best choice is to seek the advice of an auto mechanic. A professional can identify if the switch is malfunctioning or not and also what steps you can take to fix it.

Steering wheel lock

Mercedes ignition keys are made with an anti-theft feature in mind. If someone breaks into your car and manages to move the steering wheel even though you're not around it will activate the locking mechanism on the steering wheel and stop the vehicle from moving.

This safety measure is designed to guard your family and you from being injured in the event of a crime. It also prevents thieves from taking your car.

Sometimes the lock might not open or be locked in an unlocked position. This could be due to a variety of reasons, including damaged or worn out ignition tumblers. You can either get a new key or repair the problem yourself.

The first step for fixing this is to take off the ignition lock assembly. To do this, simply remove the plastic cover that covers the ignition and remove the fasteners.

Once you have removed the ignition lock assembly, you are able to replace it with a fresh one. It is essential that the new piece matches the components of your car. This will ensure that the locking mechanism functions properly when you reinstall it.

Also, make sure that the new ignition lock is properly installed and that all clips are engaged. This is especially important with older models.

Another issue that can cause your ignition key for mercedes to become stuck in the locked position is wear and tear on the tumblers. This is not an uncommon issue and should be addressed before the cylinder becomes totally stuck or snaps off.

To unlock a mercedes ignition lock that is locked in its position, apply a small pressure to the key while simultaneously turning the key. To avoid damaging the lock mechanism or the key it is recommended to apply the pressure slowly and gently.

It's a straightforward procedure which will resolve your issue in a matter of minutes. It's also an excellent way to ensure your mercedes ignition is secure and ready to go whenever you require it. If you require additional assistance call Mercedes-Benz of Centerville near Kettering for further information or to schedule an appointment.

Tumbler

When you insert keys into the ignition of your Mercedes it transmits precise information to the electronic ignition switch that will start the engine. As the infrared signal matches what's stored in the ECU, the Mercedes will begin to turn. This will start the engine of the Mercedes and provide power to the entire system.

If your Mercedes won't start it's possible that it is an opportunity to look at the ignition lock tumbler. Sometimes, the tumbler may wear out and will need to be replaced. In other cases, it could not be able to turn on the electronic ignition switch.

The most obvious sign that the Mercedes ignition lock tumbler might be defective is when it does not rotate in the proper direction. When this occurs, it can be frustrating as you could have to fight with the lock for a long period of time before you can get the car running.

A malfunctioning ignition lock tumbler could cause the key to block or completely block when it is put into the lock. It's crucial to take your car to your Mercedes specialist in the event of this. They can then examine and repair the ignition switch's tumbler.

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

It is possible to untangle your key from the ignition lock cylinder by gently jiggling it. However, this could be tricky and you need to be careful not to scratch your key while attempting to free it.

If you've got a damaged or missing Mercedes ignition lock tumbler, you can order an original keyed replacement from your local Mercedes-Benz dealer. These parts are specially designed to fit your Mercedes' original locks, which means they can be used with your Mercedes' system.