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 does not work. It can be an indicator of other issuestoo.
There are three main reasons Mercedes Benz ignition keys problems. These include a bent key or a cable that is loose, and an electronic switch that's not working.
Loose Cable
Untight cables can cause your Mercedes ignition key to become stuck. This issue can be resolved by a simple tightening of the cable on the shifter.
The nut on the shifter side of this cable should be tightened to ensure that there isn't any looseness in the wire. This is particularly important when your Mercedes is in park position. The shifter will move the cable approximately 16 inches and this could cause the key to become stuck.
This loose cable could also cause your key to become affixed to the steering wheel lock. This is a critical security feature for your Mercedes. It prevents potential thieves moving the car away or using the steering wheel for navigation without the use of a key.
Another issue that could arise with an ignition key for a Mercedes is that the electronic switch can wear out and need to be replaced. This is a simple fix that can be completed quickly however it is essential to make sure your new switch is in line with the one you currently have.
A malfunctioning switch can cause your vehicle to stall with all lights going out and the radio stop working when the key is press. It's best to bring your Mercedes in to have this repaired or buy an OEM Mercedes ignition switch.
Certain ignition keys for Mercedes may also become locked, even when the car is in park. This is a typical issue in older Mercedes models and is typically caused by an untidy cable that connects the locking mechanism of your ignition assembly to the shifter.
Jump start can be used to verify if the key is still in place. It's a quick and simple method to test your battery.
There are a variety of other reasons that your mercedes ignition keys might not turn but the most common is a dead battery. This problem is common for all makes and models of cars. You should consult an automotive mechanic to diagnose the root cause.
Electronic Switch
The ignition switch is an essential electronic device in a vehicle. It has several positions that can power various systems as the key is turned. The first position activates electrical accessories, the second will power the ignition and fuel systems, and the final cranks the engine.
The ignition key of the Mercedes is unique to each car when you insert it into your vehicle's ignition system the electronic switch tests the key to verify that it's legal. If it's valid it will send a signal to the steering lock (if your car has one) and other computer modules to unlock the door. This is a great way to allow you to start your car quickly and effortlesslyand even if have lost your keys, you'll still get in and out without difficulty.
But, despite the fact that we love the convenience of our ignition switches they can be a source of serious trouble for the road. If your ignition switch is malfunctioning it might not be able to provide enough power to the car's critical electrical components or may be missing crucial connections that could prevent you from starting your car.
A faulty ignition switch can cause your car to not start at all. Often, this is because the switch isn't in the 'on' position -- which powers on fuel and ignition systems.
A faulty ignition switch can cause the key to not turn into the first position. This is when you should look for warning lights on the dashboard. Usually, these lights come up when you press the ignition button and then dim once the vehicle is running.
In certain instances, the dashboard lights will remain dark even after you turn the key to 'on'. The reason for this is because the ignition switch will momentarily provide power to the ignition and fuel pump systems when you switch the key to 'on however it will cut off power once the key is removed from the "on" position.
You should seek out an auto mechanic if you have any of these problems. A professional can tell you if the switch is defective and what steps to take in order to repair it.
Locking the Steering Wheel
Mercedes ignition keys are created with an anti-theft feature in mind. If someone tries to break into your vehicle and manages to move the steering wheel even though you're not around, it will activate the steering wheel lock and keep the vehicle from moving.
This security measure is designed to safeguard you and your family from being harmed in a crime. It also prevents thieves from stealing your vehicle.
But, in some cases, the lock won't unlock, or it may be locked. This can happen for many reasons, including damaged or worn out ignition tumblers. You can get an entirely new key or fix the problem yourself.
The first step for fixing this is to remove the ignition lock assembly. To do this, you'll need to remove the cover made of plastic on the top of the ignition and then take off the fasteners which hold it in place.
After you've removed the ignition lock assembly you can replace it with a new one. It is crucial that the new piece matches the car's components. This will ensure that the locking mechanism is working correctly when it is installed.
Also, make sure that the new ignition lock is properly installed and that all clips are properly engaged. This is especially important with 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 isn't a common problem that needs to be rectified before the cylinder is completely stuck or snaps off.
To unlock a mercedes ignition lock which is locked position, apply a little 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.
This is an easy and simple way to fix your problem. This is a great way to ensure your Mercedes ignition is working and secure to drive it at any time you want. If you require further assistance get in touch with Mercedes-Benz of Centerville near Kettering for more details or to make an appointment.
Tumbler
When keys are inserted into the ignition of your Mercedes it transmits precise infrared signal to the ignition switch, which will start the engine. The Mercedes will rotate when the infrared information matches the ECU. This will start the engine of the Mercedes, and also power all its systems.
If your car isn't starting it's possible that it is time to inspect the ignition lock tumbler. In some instances 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 damaged is when it doesn't turn in the correct direction. When this happens, it could be a hassle as you might 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 malfunctioning is that it will jam up or even completely block the key when it's inserted into the lock. It's essential to take your car to your Mercedes specialist if this happens. They can then examine and repair the ignition switch's tumbler.
Other possibilities for a Mercedes Benz ignition lock tumbler that isn't turning are bent keys or a worn out key. If your key has a bent end, you should flatten the ends with an hammer, and then try to turn it back. Make sure to make use of a soft-headed hammer, and that you tap carefully.
If your key is stuck inside the ignition lock cylinder you may be able to pull it out of the way by gently turning the steering wheel. This isn't easy, so make sure not to cause damage to your key while trying to unravel it.
You can purchase a new keyed Mercedes-Benz ignition tumbler if it's damaged or has gone missing. These parts are specifically made to fit your Mercedes' original locks, meaning they can be used with your Mercedes system.