3 Common Causes For Why Your Mercedes-Benz Key Replacement Isn't Performing (And How To Fix It)

· 6 min read
3 Common Causes For Why Your Mercedes-Benz Key Replacement Isn't Performing (And How To Fix It)

Programming Mercedes Keys With a Mercedes Key Programmer

It's likely that you will need to program your Mercedes' key at some moment. The best method for doing it is to purchase an experienced tool that will perform the task correctly.

There are a number of options available which include the Autel IM608 key programmer as well as the Carrfan CK-100. While these aren't perfect, they'll get the job done for a beginner or home mechanic.

How to program the Mercedes key

Your Mercedes key fob might not be working to unlock your car's trunk or doors. It could be an issue with your vehicle, so it's essential to attempt to repair it before you decide to purchase a replacement.

A problem with your battery is usually the first thing you should examine. In addition to the battery, you should look for damaged fuses in your fuse box as well. This will let you know whether there is a power issue with the All Activity Module (AAM) or with the antenna module.

If you notice a blown fuse in your fuse box, this indicates that the All Activity Module (AAM) or the antenna module aren't recognizing the signal from the key fob. This can be resolved by opening the fuse box in the engine bay, underneath the rear seat, or inside the trunk.

After you have opened the fuse box, you should be able to find a fuse for the central locking circuit. A fuse that is blown will cause your key fob to cease working in the event of damage.


Next, locate locksmiths who can program the key by using a Mercedes key programming device. Unfortunately, this is not something that Mercedes-Benz dealerships do, so you'll need to find a professional who has expertise in this kind of work.

Typically, a locksmith will purchase new keys for the vehicle you're trying to program, and will use a key programmer such as CGDI MB Key Programmer or VVDI MB Key Programmer to program it. This is a complicated procedure and you should consult a locksmith before you attempt to do it yourself.

Another option is to order an original or used Mercedes Benz key on the internet and have it programmed. This will save you time and money since you don't need to go through the entire process.

However, the biggest drawback of this method is that a lot of locksmiths aren't aware of how to program a previously used or a new Mercedes-Benz key. This is due to the fact that the process is more complicated than with other kinds of cars.

How to program a brand new Mercedes key

While it is possible to program an existing Mercedes key, the process involves chip removal and erasing the EEPROM memory that requires tools for this task. This is best accomplished using an Mercedes programer such as the CGDIMB Key Programmer. However, it can be expensive and difficult.

A key that isn't working is the most common issue for mercedes owners. This is usually caused by a malfunctioning transponder or an electronic control module (ECU) that requires to be replaced. It could also be the result of when the key does not have the correct coils or the processor which runs your immobilizer system is not functioning properly.

One of the easiest methods of getting a new working key for your Mercedes is to find a skilled locksmith who has worked with programming Mercedes keys. These experts can make new keys using the VIN number of your car and will cost you between $200 and $280 for the process.

It is crucial to locate a trustworthy and reliable locksmith who can program your key. This will give you the most effective results. It is also important to determine whether they have the tools and equipment required to complete the task right.

A  mercedes key , which is an intricate device that is equipped with sophisticated technology, is quite complicated. The most difficult part of the process involves removal of the chip from the circuit board. Although this is not something Mercedes-Benz dealers do it is doable with the help of a locksmith.

A mb key programmer is the simplest method of doing this. It is available for less than $200. This tool is suitable to program a variety of Mercedes-Benz models, and it is cheaper than visiting a dealership to do the same.

Amazon sells the CGDI Key Programr MB which is well-worth the cost. In addition to the mv-momentaryfeature, it can program most all of the standard Mercedes keys as well as a few of the more expensive transponders. It can even program some non-Mercedes models and not require for a special Mercedes-branded transponder.

Where to get a used Mercedes key programmed

If you need to program an old Mercedes key there are a number of options available. You can either take the key to a dealer or hire an auto locksmith to perform the task for you.

Dealerships usually charge more than a locksmith, and can be difficult to locate in your area. If you know where you can look, you might be able find an automotive locksmith who can program your Mercedes key for less than what a dealership would charge.

A locksmith equipped with specialized tools can program your key for you. They will need to open the chip on your Mercedes key , and remove its memory EEPROM. They can then use a program like the CGDI MB Programmer or the VVDI Key Programmer to reprogram the used Mercedes key for you.

You should not try to do this yourself unless you have some experience in programming car keys. It can be a tedious procedure and it's better to leave it to a professional.

The key code for Mercedes-Benz keys is unique to your vehicle and made in Germany which makes it an extremely difficult task for locksmiths or mechanics in your area to create a new key without buying one from Germany. This is because a new key must be programmed using a unique code that is based on your vehicle's VIN number.

Mercedes-Benz used keys that could be cut and matched to the ignition and door locks in the past. However, this has since been replaced with smart keys that require programming before it can be linked with the vehicle's immobilizer.

Mercedes-Benz owners have tried programming their keys themselves, but this has not been the best option. This is because it may cause problems with the ignition unit. This is particularly true when older models have metal bladesthat can wear down over time, causing problems in the ignition box.

Another issue with changing your key's program is that it is a complex process and requires special tools. The majority of locksmiths do not have these tools , so it is best to take your Mercedes key to an auto mechanic or dealership to be reprogrammed.

Where can I get a virgin Mercedes key programed?

If you're looking for a virgin Mercedes key the best choice is to visit the local locksmith. A locksmith in your neighborhood is more likely to program a key that is used than an authorized dealer. However, the cost could be staggering.

A trustworthy locksmith can program a virgin Mercedes key using a Mercedes key programmer (also called an mb key reader). The MB key programmer is an instrument that is able to read the main chip of the Mercedes key and also the smaller EEPROM chips on the key circuit board.

The key reader from mb can read the newest and coolest features of Mercedes-Benz car keys, such as telematics systems. Depending on the model of your Mercedes these features could include things like remote locking and unlocking your car, syncing the telematics device with your car's immobilizer, as well as other advanced technologies.

One of the most complicated aspects of the mb reader is that it can scan the vehicle's electronic braking and steering systems. This can be very useful for fixing or replacing damaged or defective electronics.

The key reader for the MB isn't for everyone, but it can be very beneficial for certain people. It is especially useful to those who own vehicles older, since they might not have the latest electronic features that are available on the latest models.