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 an ignition key that doesn't work. It could be a sign of other issuesas well.

There are three main causes of Mercedes Benz ignition key problems. They are bent keys cable, loose wires, and an electronic switch that is malfunctioning.

Loose Cable

Cables that are loose could cause the ignition key of your Mercedes to get stuck. This issue can be fixed by tightening your cable at the shifter.

Make sure that the nut at the end of the cable that connects to the shifter is tightened so that the wire doesn't stretch. This is particularly important if you drive your Mercedes with the gear set in park position, as this will cause the shifter to move the cable by one-sixteenth of an inch or so, which may result in your key getting stuck.

The loose cable may cause your steering wheel lock to become stuck. This is a crucial security feature for your Mercedes. It will stop potential thieves from driving the car away or using the steering wheel to navigate it without the use of a key.

The ignition switch on a Mercedes can be damaged and will need to be replaced. This is a simple fix that can be completed quickly however it is crucial to ensure that the new switch matches the one you currently have.

A defective switch could cause your vehicle to stall the engine, all lights to go out and the radio not functioning when the key is in use. It's best to bring your Mercedes to a repair shop for repair or buy a new OEM Mercedes ignition switch.

Certain genuine mercedes key fob ignition keys may be stuck in place even when the car's in park. This is a common problem in older Mercedes models and is typically caused by a loose cable connecting the locking mechanism of your ignition assembly to the shifter.

If you have a key that's locked in place, you must attempt a jump start and try to resolve the issue. This is a quick and easy method to test the battery.

There are other causes that your ignition key for mercedes car keys might not turn but the most common is an unresponsive battery. This issue is prevalent for all models and makes of cars. You should consult with an automotive mechanic to determine the exact cause.

Electronic Switch

The ignition switch is a crucial electronic component of a vehicle. It has several positions that enable different systems when the key is turned. The first one is for activating electrical accessories, while the second turns on the ignition and fuel systems. The third position cranks the engine.

Each ignition key for mercedes is unique. When you insert the key into the ignition of your car the electronic switch will verify that it's valid. If the key is valid it will send an indication to your car's steering lock and other computer components to unlock your door. This is a great way for you to start your vehicle quickly and easily. Even if you lose your keys you can still get in and exit your car without any difficulties.

However, even though we love the convenience of our ignition switches, they can be a source of serious trouble for the road. If your ignition switch is defective, it could not send enough power to your car’s crucial electrical components or be missing connections that could stop you from starting your car.

A malfunctioning ignition switch may cause your car to not start at all. This is usually due the fact that the switch does not switch to the "on" position, which powers on fuel or ignition systems.

A malfunctioning ignition switch may also cause the key to not turn into the first position. This is the reason you should look for warning lights on your dashboard. Usually, these lights come up when you press the ignition button and fade when the vehicle is running.

In some instances the dashboard lights remain dark even after you turn the key to 'on'. The reason is that the ignition switch may temporarily provide power to the ignition and fuel pump systems if you change the ignition key to 'on however it will stop power when the key is removed from the "on" position.

If you are experiencing any of these issues, your best bet is to seek the advice of an auto mechanic. A qualified mechanic can tell whether the switch is malfunctioning and what steps to take to fix it.

Steering wheel lock

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

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

Sometimes, however, the lock may not be unlocked or remain locked in an unlocked position. It could be due to many reasons, including worn or broken ignition tumblers. You can either buy the key replaced or fix the problem yourself.

To fix this, you'll have to remove the ignition lock assembly. To do this, simply remove the plastic cover that covers the ignition and take out the fasteners.

Once you've removed the ignition lock assembly, you are able to replace it with a new one. It is crucial to make sure the new component is an exact match for the parts of your vehicle. This will ensure that the locking mechanism functions well when it's reinstalled.

You should also check that the new ignition lock is installed properly and that all clips are engaged correctly. This is especially crucial for older models.

Another reason that could cause your ignition key for mercedes to get stuck in the locked position is wear and tear on the tumblers. This is a common problem that needs to be addressed before the cylinder gets stuck or snaps off.

To unlock a mercedes replacement key cost ignition lock that is stuck in its locked position, apply a bit of pressure to the key while simultaneously turning the key. To avoid damaging the lock mechanism or the key it is best to do this slowly and gently.

It's a straightforward procedure that should solve your problem in no time. This is a great way to ensure your Mercedes ignition is ready and secure, so you can drive it whenever you need. If you require further assistance, contact Mercedes-Benz of Centerville near Kettering for more information or to schedule an appointment.

Tumbler

When you insert a key into the ignition of your Mercedes it transmits specific information to the electronic ignition switch to start the engine. As the infrared data matches with the data stored in the ECU, the Mercedes will begin to turn. This will start the engine of the Mercedes and power all its systems.

If your Mercedes isn't able to start and it's not starting, it's time to look at the ignition lock tumbler. In some cases the tumbler may wear out over time and require replacement. Sometimes, it will not be able to turn on the electronic ignition switch.

The most obvious sign that the Mercedes ignition lock tumbler might be malfunctioning is when it fails to turn in the right direction. This can be frustrating as you may need to fight the lock for a long time before turning.

Another sign that an ignition lock tumbler that's malfunctioning is that it can stop working or even block the key when it's inserted into the lock. If this happens it's imperative to take the vehicle to your local Mercedes specialist so that they can examine and repair the ignition tumbler of the lock.

Other possible causes for the Mercedes Benz ignition lock tumbler that won't turn is bent keys or a worn-out key. If your key has a bent end, you must smooth the edge with the hammer and attempt to turn it over. Use an incredibly soft hammer and tap it carefully.

Finally, if your key is stuck inside the ignition lock cylinder you may be able to pull it out by gently jiggling the steering wheel. However, this can be difficult and you must be careful not to break your key while attempting to unravel it.

You can get a replacement keyed Mercedes-Benz ignition tumbler if it's damaged or not working. These parts are specifically designed to fit the original locks on your vehicle and you can be at ease knowing that they'll be able to fit into the system of your Mercedes.