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How to Fix a Mercedes Ignition Key That Won't Work
One of the most difficult things to deal with when you own a Mercedes is an ignition key that won't work. It could be a sign of other issues, too.
There are three main causes of Mercedes Benz ignition key problems. They are bent keys or cable that is loose, as well as a malfunctioning electronic switch.
Loose Cable
Cables that are loose could cause the ignition key of your Mercedes to become stuck. This issue can be resolved by tightening the cable near the shifter.
The nut on the shifter side of this cable should be tightened up to ensure there isn't any slack in the wire. This is crucially important for those who drive their Mercedes with the gear set in park position, as this could cause the shifter to move the cable by one-sixteenth of an inch or so, which could result in your key getting stuck.
This loose cable can also cause your key to be tied to the lock on your steering wheel. This is an essential safety feature of your mercedes as it blocks potential thieves from dragging the car away or using the steering wheel for navigation the vehicle without having a key.
A mercedes ignition switch can also wear out and need to replaced. It's a simple fix that can be done quickly but it is vital to make sure you match the new switch to the one you currently have.
A faulty switch can cause a variety of issues, including your vehicle becoming stuck and the lights going out or the radio not working when you turn your key. It is recommended to bring your Mercedes in to have this repaired or buy a new OEM Mercedes ignition switch.
Some ignition keys of Mercedes can become stuck in place even when the car's in park. This is a common problem with older Mercedes models. It's typically caused by a loose cable connecting the locking mechanism of your ignition assembly to your shifter.
If you have a key that is locked in place, you should try a jump start and check if this resolves the problem. This is a good way to test the battery and it's a simple and affordable solution.
There are many other reasons the ignition key of your Mercedes might not turn however the most frequent is the battery is dead. This problem is common for all makes and models of vehicles. You should seek the advice of an automotive mechanic to identify the cause.
Electronic Switch
The ignition switch is an essential electronic component in a vehicle. When the key is turned, it triggers different systems. The first one is for activating electric accessories, while second turns fuel and ignition systems. The third cranks the engine.
The ignition key for the Mercedes is unique to each vehicle when you insert it into your vehicle's ignition system the electronic switch examines the key to make sure it's 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 start your car quickly and easilyeven if you lose your keys, you'll still get in and out without difficulty.
However, even though we enjoy the convenience of our ignition switches, they can be a source of serious trouble for our roads. If your ignition switch is malfunctioning it may not be able to send enough power to the car's critical electrical components or may be missing vital connections that could prevent you from starting your car.
One of the most common symptoms of a faulty ignition switch is that it can't start your vehicle in any way. This is typically due to the fact that the switch doesn’t change to the "on" position, which is the one that powers on ignition or fuel systems.
Another indication of a malfunctioning ignition switch is that the key isn't in the first position, where you could check for warning dashboard lights. These lights usually turn on when you press the ignition key. They dim after your car is started.
In other situations the dashboard lights will remain dark when you turn your key to the 'on' position. The reason is that the ignition switch will momentarily provide electricity to the fuel pump and ignition systems if you change the ignition key to 'on but it will shut off power once the key is removed from the "on" position.
If you're experiencing any of these problems, the best option is to seek out a diagnosis from an auto mechanic. A specialist can tell you whether the switch is defective and the steps to take to fix it.
Steering Wheel Lock
Mercedes ignition keys are created with an anti-theft feature in mind. If someone attempts to steal your car and then moves the steering wheel without you being present, it will trigger the steering lock and stop the vehicle from moving.
This safety measure is designed to protect you and your family from being injured during a robbery. It also stops thieves from taking your car.
Sometimes the lock might not be able to unlock or remain locked in an unlocked position. This can be caused by a variety of reasons, such as damaged or worn-out ignition tumblers. You can either buy a new key or fix the issue yourself.
The first step to fixing this is removing 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 out the fasteners to secure it.
Once replacement key mercedes have removed the ignition lock assembly you can replace it with a fresh one. It is crucial that the new piece matches the parts of your vehicle. This will help ensure that the locking mechanism functions well when you replace it.
It is also important to ensure that the new ignition lock is properly installed and that all clips are in the correct position. This is particularly important with older models.
Another issue that can cause your mercedes ignition key to get stuck in the locked position is wear and tear on the tumblers. This is not an uncommon issue and should be addressed prior to the cylinder becoming completely stuck or snapped off.
To unlock a mercedes ignition lock that is locked position, apply some pressure to the key while simultaneously turning the key. To avoid damaging the lock mechanism or the key it is best to apply the pressure slowly and gently.
This is a quick and simple solution to your issue. It's also an excellent way to ensure that your Mercedes ignition is secure and ready to drive at any time you need it. For more information, or to schedule an appointment, contact Mercedes-Benz Centerville near Kettering.
Tumbler
When you insert a key 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 is in sync with the ECU. This will start the engine of the Mercedes, and also power all of its systems.
If your car won't start, it may be time to take a closer look at the tumbler in your ignition lock. In some instances the tumbler can get worn out and require replacement. Sometimes, the tumbler will not be able to engage the electronic ignition button.
One of the main indications that the Mercedes ignition lock tumbler is faulty is that it won't turn to the correct position. If this occurs, it can be frustrating because you could need to battle with the lock for a long period of time before you are able to start the car.
Another indication of an ignition lock tumbler that is malfunctioning is that it will block or completely block the key when it's placed into the lock. It's essential to bring your vehicle to your Mercedes specialist if this happens. They will examine and repair the ignition switch's tumbler.
A bent or worn-out key could also be reasons for why your Mercedes Benz ignition lock tumbler will not turn. If your key has a bent end, you must flatten the bent end using an hammer, and then try to turn it. Use an easy-headed, soft hammer and tap it carefully.
In the end, if your key is stuck inside the ignition lock cylinder you may be able to get it untangled by gently jiggling the steering wheel. However, this could be difficult and you should be cautious not to break your key while attempting to free it.
You can purchase a new keyed Mercedes-Benz ignition lock tumbler if it's damaged or has gone missing. These parts are specifically made to fit your Mercedes original locks, and can be used with your Mercedes system.