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 be a sign of other issuestoo.
There are three primary reasons for Mercedes Benz ignition keys problems. They are a bent key, a loose cable, and an electronic switch that is malfunctioning.
Loose Cable
Cables that are loose can cause your Mercedes ignition key to be stuck in its place. This issue can be corrected by tightening the cable around the shifter.
The bolt on the shifter end of the cable must be tightened to ensure that there isn't any slack in the cable. This is particularly important if your Mercedes is in the park position. The shifter will move the cable by about a sixteenth inch and this could cause your key to be stuck.
The loose cable can cause the steering wheel lock to get stuck. This is a crucial security feature of your Mercedes because it stops criminals from attempting to push the car away or using the steering wheel to navigate the vehicle without a key.
Another issue that can arise with a mercedes ignition switch is that the electronic switch could wear out and need to be replaced. This is a simple repair that is quick and easy to do, but it is important to ensure that the new switch is compatible with the one you have.
A damaged switch can lead to a variety of issues, like your car stalling, the lights going out, or the radio not working when you turn your key. It is recommended to bring your Mercedes in for this repair, or simply purchase the new OEM Mercedes ignition switch.
Certain Mercedes ignition keys may become stuck in place even when your car is in park. This is a common issue with older Mercedes models. It is usually caused by a loose cable that connects the locking mechanism of your ignition assembly to your shifter.
If you have a key that is locked in its place, try a jump start and check if this resolves the problem. This is a fast and easy way to test your battery.
There are a myriad of reasons your Mercedes ignition keys might not work. The most common reason is an inoperable or damaged battery. This is a frequent issue for many different brands and models of cars and you should seek the advice of an automotive mechanic to determine the exact cause of your problem.
Electronic Switch
The ignition switch is an essential electronic part of a vehicle. When the key is turned it activates various systems. The first position is where you can activate electrical accessories, the second activates the ignition and fuel systems, and the final cranks the engine.
Each ignition key for mercedes is unique. When you insert the key into your car's ignition the electronic switch confirms that it is valid. If it's valid it sends a signal to the steering lock (if your vehicle has one) and other computer components to unlock the door. This is a great way to allow you to start your car quickly and easilyeven if you have lost your keys, you'll still be able to get in and out of the car without difficulty.

However, even though we appreciate the convenience of our ignition switches, they can cause problems while driving. When the ignition switch is malfunctioning it might not be supplying enough power to your vehicle's vital electrical components, or it could have a problem with the connections that prevent your vehicle from starting.
One of the most frequent symptoms of a faulty ignition switch is that it will not start your car in any way. It's usually because the switch isn't in the "on" position- which powers on ignition and fuel systems.
A defective ignition switch could cause the key to not move into the first position. This is the reason you should check for warning lights on your dashboard. Usually, these lights light up when you press the ignition button and they dim when your car is running.
In mercedes key repair remain dark after you move your key to the 'on position. The reason is that the ignition switch will briefly provide electricity to the fuel pump and ignition systems if you switch the key to "on however it will cut off power as soon as the key is removed from the "on" position.
It is recommended to contact an auto mechanic if you encounter any of these problems. An expert can tell you whether the switch is malfunctioning and the steps to do to fix it.
Steering Wheel Lock
Mercedes ignition keys have an anti-theft feature. If someone attempts to steal your car and manages move the steering wheel, even though you're not there, it will activate the lock on the steering wheel to stop the vehicle from moving.
This measure of security protects you and your family against being victim to the perpetrator of a crime. It also stops thieves from driving away with your vehicle.
Sometimes, however, the lock might not be able to unlock or be locked in an unlocked position. It can happen for a number of reasons, such as damaged or worn-out ignition tumblers. You can purchase a replacement key or repair it yourself.
The first step in fixing this is removing the ignition lock assembly. To do this, you must remove the plastic cover that covers the ignition, and remove the fasteners.
After you've removed the ignition lock assembly, you are able to replace it with a new one. It is essential to ensure that the new component is an exact match for the components of your car. This will ensure that the locking mechanism works perfectly when it's installed.
Also, ensure that the new ignition lock has been installed correctly and that all clips are engaged. This is particularly important with older models.
Another issue that can cause your ignition key for mercedes to stop working in the locked position is wear and tear on the tumblers. This isn't a common problem that needs to be rectified prior to the cylinder becoming totally stuck or snaps off.
To unlock the mercedes ignition lock that is stuck in its locked position, apply a little pressure to the key while simultaneously turning the key. To avoid damaging the lock mechanism or key it is recommended to take your time and do it slowly and gently.
This is a straightforward process that will solve your issue within a short time. This is a great method to make sure the Mercedes ignition is functioning and secure to operate it whenever you need to. If you require further assistance you can contact Mercedes-Benz of Centerville near Kettering for more details or to make an appointment.
Tumbler
When you insert a key into the ignition of your Mercedes it transmits precise infrared signal to the ignition switch to begin the engine. When the infrared data matches up with what is stored in the ECU the Mercedes will begin to turn. This will start the engine of the Mercedes and power all of its systems.
If your Mercedes isn't able to start then it's probably time to take a closer look at the ignition lock tumbler. In some instances, the tumbler will simply wear out over time and will require replacement. In other instances, it may be unable to engage the electronic ignition switch.
One of the most frequent signs that your Mercedes ignition lock tumbler is defective is that it doesn't turn into the proper position. When this happens, it can be frustrating because you may need to battle with the lock for a long period of time before you can start the car.
A malfunctioning ignition lock's tumbler can also cause the key to jam or become completely blocked once it is inserted into the lock. If this happens it's imperative to take the vehicle to your local Mercedes specialist so that they can look over and service the ignition lock tumbler.
Other possibilities for an Mercedes Benz ignition lock tumbler that won't turn include bent keys or a worn-out key. If your key's bent end causes it to not turn then you can flatten it with a hammer to make it straight. Make sure you make use of a soft-headed hammer, and that you tap very carefully.
You can sometimes untangle your key from the ignition lock cylinder by gently jiggling it. However, this could be difficult and you must be careful not to scratch your key while trying to untangle it.
If you've broken or missing Mercedes ignition lock tumbler, you can order an original keyed replacement from your local Mercedes-Benz dealer. These parts are designed to fit your Mercedes' original locks, and will work with your Mercedes' system.