How to Fix a Mercedes Ignition Key That Won't Work
An ignition key that does not work is among the most frustrating issues you'll face when driving an Mercedes. It could also be a sign that you have other issues.
There are three main reasons for Mercedes Benz ignition key problems. They are bent keys cable, loose cables, and malfunctioning electronic switches.
Loose Cable
Loose cables can cause your Mercedes ignition key to get stuck in its place. This is a problem that can be resolved with just tightening the cable on the shifter.
The bolt on the shifter end of the cable has to be tightened in a way that there isn't any looseness in the cable. This is particularly important if you drive your Mercedes with the gear in park, since this causes the shifter to move the cable about a 16th of an inch or so, which may cause the key to become caught.
The loose cable could cause your key to be bind to the steering wheel lock. This is an important security feature of your Mercedes. It helps prevent thieves from moving the car away or using the steering wheel to navigate it without having a key.
mercedes key programming can also wear out and need to be replaced. It's an easy fix, but you should make sure that the new switch is compatible with the existing one.
A faulty switch could cause your car to stop and all lights to go out and the radio stop working when the key is pressing. It's best to bring your Mercedes to a repair shop to have this repaired or buy an OEM Mercedes ignition switch.
Certain ignition keys from Mercedes can become stuck in place even when the car's in park. This is a common problem in older Mercedes models and is usually caused by an untidy cable that connects the locking mechanism inside your ignition assembly to the shifter.
Jump start is a great way to check if your key is still in its place. This is an easy and easy way to test your battery.
There are other causes that your mercedes ignition keys may not be turning, but the most common is the battery being dead. This is a frequent issue for a variety of kinds of automobiles and you should speak with an automotive mechanic to determine the exact cause of your problem.
Electronic Switch
The ignition switch is a crucial electronic component in a vehicle. When the key is turned, it triggers various systems. The first one activates electric accessories, while second turns fuel and ignition systems. The third turns the engine.
Each ignition key from Mercedes is unique. When you insert the key into the ignition of your vehicle the electronic switch checks that it is valid. If it's valid, it sends an indication to the steering lock (if your vehicle has one) as well as other computer modules to unlock the door. This is a great method to get you started in your car quickly and easily -and even if have lost your keys, you can still gain entry and exit without difficulty.
However, even though we enjoy the convenience of our ignition switches they can pose serious dangers for our roads. When the ignition switch is malfunctioning it might not be supplying enough power to the vital electrical components, or it could have missing connections that prevent you from starting your vehicle.
A defective ignition switch can cause your car to not start at all. This is usually due the fact that the switch doesn't switch to the "on" position, which activates fuel or ignition systems.
Another sign of a defective ignition switch is that it does not move into the desired position, from which you can look for warning indicators on the dashboard. Usually, these lights light up when you press the ignition button and then dim once your vehicle is running.
In other instances, the dashboard lights remain dark once you have moved your key to the 'on' position. The reason for this is that the ignition switch will momentarily provide electricity to the fuel pump and ignition systems if you turn the key to 'on however it will cut off power once the key is removed from the 'on' position.
If you experience any of these issues, the best way to fix it is to seek the advice of an auto mechanic. A professional can tell you whether the switch is defective and what steps you should take to fix it.
Steering wheel lock
Mercedes ignition keys include an anti-theft feature. If someone breaks into your car and manages to move the steering wheel while you're not there it will trigger the lock on the steering wheel and stop the car from moving.
This safety measure is designed to guard you and your family from being hurt during a crime. It also stops thieves from taking your car.
But, in some cases, the lock won't unlock or is stuck in a locked position. It can happen for a number of reasons, including worn or broken ignition tumblers. You can purchase an alternate key or fix it yourself.
To fix this issue, you'll need to dismantle the ignition lock assembly. To do this, remove the plastic cover that covers the ignition and take out the fasteners.
After you have removed the ignition lock assembly you can replace it with a brand new one. It is essential that the new component matches your car's parts. This will ensure that the locking mechanism functions properly when it is reinstalled.
It is also important to ensure that the new ignition lock is correctly installed and that all clips are correctly engaged. This is particularly important with older models.
Another reason that could cause your mercedes ignition key to get stuck in the locked position is wear and wear on the tumblers. This is not an uncommon issue that should be fixed before the cylinder gets totally stuck or snaps off.
To unlock an ignition lock from a Mercedes that is locked in its locked position, apply a small pressure to the key while simultaneously turning the key. Do this slowly and gently, so as not to damage the lock mechanism or the key.

This is a quick and simple way to fix your problem. This is a great method to ensure your Mercedes ignition is in good condition and secure, so you can use it at any time. If you need additional help get in touch with Mercedes-Benz of Centerville near Kettering for more details or to make an appointment.
Tumbler
When you insert keys into the ignition of your Mercedes it sends detailed information to the electronic ignition switch that will start the engine. The Mercedes will rotate when the infrared information matches the ECU. This will start the car's engine, and also powers the numerous systems inside it.
If your car isn't getting started then it's probably time to look at your ignition lock's tumbler. Sometimes, the tumbler may get old and needs to be replaced. In other instances, it may not be able to engage the electronic ignition switch.
One of the most obvious indications that your Mercedes ignition lock tumbler may be defective is that it doesn't turn to the correct 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 are able to start the car.
A malfunctioning ignition tumbler could also cause the key to become jammed or become completely blocked once it is in the lock. If this happens, it's important to bring the vehicle to a local Mercedes specialist so that they can look over and repair the ignition lock tumbler.
Other possibilities for a 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 should flatten the bent end using the hammer before trying to turn it over. Be sure to employ a hammer that is soft and that you tap very carefully.
If your key is stuck inside the ignition lock cylinder, you can sometimes get it free by gently jiggling the steering wheel. However, this can be tricky and you need to be careful not to break your key while trying to untangle it.
If you've a damaged or missing Mercedes ignition lock tumbler, you can request an original keyed replacement from your local Mercedes-Benz dealer. These parts are designed to fit the original locks in your vehicle and you can be at ease knowing that they'll be able to work with the system that is in your Mercedes.