How to Fix a Mercedes Ignition Key That Won't Work
A key for ignition that doesn't work is one of the most frustrating things you'll face when driving an Mercedes. It could be a sign of other issues, too.
There are three main reasons Mercedes Benz ignition keys problems. This includes a bent key as well as a loose cable and an electronic switch that is not working properly.
Loose Cable
The loose cables can cause your mercedes ignition key to be stuck. This issue can be corrected by tightening the cable near the shifter.
Check that the nut at the end of the cable that connects to the shifter is tightened tightly to ensure that the cable doesn't stretch. This is particularly important if your Mercedes is in the park position. The shifter can move the cable about 1/16 inch and this could cause your key to become stuck.
The loose cable could cause your key to become affixed to the steering wheel lock. This is an important safety feature for your Mercedes. It will stop potential thieves from pushing the car away, or using the steering wheel to drive without having a key.
A mercedes ignition switch could also become worn and need to replaced. This can be a fairly easy repair, but you must make sure that the new switch matches the current one.
A defective switch could result in a range of issues, like your vehicle becoming stuck and the lights not working, or the radio not working when you turn your key. You can bring your Mercedes in for repair or purchase a new OEM Mercedes ignition button.
Some ignition keys of Mercedes can be stuck in place even when your car is in park. keys mercedes is a common problem with older Mercedes models. It is typically caused by a loose cable that connects the locking mechanism in the ignition assembly to the shifter.
If you have a key locked in its place, try a jump start and see if this solves the issue. This is a great way to test the battery, and it's a quick and cheap solution.
There are a variety of other reasons that your mercedes ignition key may not work however the most common is the battery being dead. This is a common issue for all models and makes of vehicles. You should consult with an automotive mechanic to diagnose the exact reason.
Electronic Switch
The ignition switch is an essential electronic component in a vehicle. It is equipped with several positions that provide power to various systems when the key is turned. The first position is where you can activate electric accessories, while second turns fuel and ignition systems. The third position cranks the engine.
Each ignition key from Mercedes is unique. When you insert the key into your car's ignition the electronic switch confirms that it's valid. If it's valid the key sends a signal to the steering lock (if your car has one) and other computer modules to unlock the door. This is a great method to get you started in your car quickly and effortlesslyeven if you lose your keys, you'll still get in and out without any trouble.
However, as much as we love the convenience of our ignition switches, they also cause problems while driving. If the ignition switch you use is not working properly it may not be able to send enough power to the car's crucial electrical components or be missing crucial connections that may prevent you from starting your vehicle.
A malfunctioning ignition switch could cause your vehicle to not start at all. This is usually due to the fact that the switch doesn’t move to the "on" position, which powers on fuel or ignition systems.
A defective ignition switch could also cause the key to not move into the first position. This is why you can look for warning lights on the dashboard. Usually, these lights come up when you press the ignition button and fade when the car is running.
In some instances the dashboard lights remain dark even after you turn the key to turn it on. This is due to the fact that the ignition switch will temporarily provide power to the fuel pump, ignition systems, and ignition if the key has been turned to 'on'. However it will cut off power after the key is removed.
If you have any of these issues, the best choice is to seek out a diagnosis from an auto mechanic. A professional will be able to identify if the switch is defective or not and also what steps to take to repair it.
Steering wheel lock
Mercedes ignition keys come with an anti-theft feature. If someone attempts to break into your car and moves the steering wheel without you being present, it will trigger the steering lock and stop the vehicle moving.
This safety measure is designed to guard you and your family from being injured in a crime. It also prevents thieves from taking your car.
But, in some cases, the lock won't open or may be stuck in a locked position. This can happen for many reasons, including damaged or worn ignition tumblers. You can either purchase the key replaced or fix the issue yourself.
The first step in fixing this is to remove the ignition lock assembly. To do this, take off the plastic cover that covers the ignition, and remove the fasteners.
Once you've removed your ignition lock assembly, you can then replace it with a brand new one. It is important to make sure the new component is exactly the same as the car's components. This will ensure that the locking mechanism operates well when it's reinstalled.
Also, ensure that the new ignition lock has been installed correctly and that all clips are properly engaged. This is especially important for older models.
Wear and tear on the tumblers can cause your Mercedes ignition keys to be stuck in their locked position. This isn't a common issue that should be fixed before the cylinder is completely stuck or snaps off.
To unlock the mercedes ignition key stuck in the locked position, try applying a little pressure to the key while turning it. It's best to do this slowly and gently, so as to not damage the lock mechanism or the key.
This is a straightforward process that should solve your problem in no time. It's also a great method to ensure that your Mercedes ignition is safe and ready to go whenever you need it. For more information or to make an appointment, call Mercedes-Benz Centerville near Kettering.
Tumbler
When you insert a key into the ignition of your Mercedes it transmits precise information to the electronic ignition switch that will turn the engine on. If the infrared information matches what's stored in the ECU, the Mercedes will begin to turn. This triggers the car's engine and powers the many components inside it.
If your car isn't getting started it could be time to take a closer look at your ignition lock tumbler. In some cases the tumbler will wear out over time and requires replacement. Sometimes, the tumbler may not be able engage the electronic ignition button.
The most obvious sign that the Mercedes ignition lock tumbler might be malfunctioning is when it fails to rotate in the proper direction. When this occurs, it can be frustrating because you could need to battle with the lock for a long period of time before you can start the car.
Another sign of an ignition lock tumbler that is not working properly is that it could stop working or even block the key when it's placed into the lock. It's essential that you take your vehicle to your Mercedes specialist if this happens. They will then be able to examine and service the ignition switch tumbler.
A bent key or a worn-out key might be the reason why your Mercedes Benz ignition lock tumbler won't turn. If the bent part of your key is causing it not to turn then you can flatten it using a hammer in order to get it back straight. Use a soft-headed, gentle hammer and tap it carefully.
You can sometimes remove your key from the ignition lock by gently jiggling it. This isn't easy, so be careful not to harm your key when trying to free it.
If you've a damaged or missing Mercedes ignition lock tumbler, you can order an original keyed replacement from your local Mercedes-Benz dealer. These parts are specifically made to fit your Mercedes' original locks, which means they can be used with your Mercedes' system.