How I Expertly Replaced My Chrysler 300 Key Fob: A Step-by-Step Guide

If you’re anything like me, your Chrysler 300 isn’t just a car—it’s a trusted companion that gets you through every journey smoothly. So, when your key fob suddenly stops working or goes missing, it can feel like a major disruption. I’ve been there, and I know how frustrating it can be to face the inconvenience of replacing a key fob. Whether it’s due to wear and tear, accidental damage, or simply losing it, understanding the ins and outs of Chrysler 300 key fob replacement is essential. It’s more than just swapping out a device—it’s about regaining control, convenience, and peace of mind behind the wheel.

I Personally Tested The Chrysler 300 Key Fob Replacement And Shared My Honest Recommendations

1. Key Fob Replacement Compatible for Chrysler 300 Dodge Charger 2011 2012 2013 2014 2015 2016 2017 2018 Challenger 2015-2018 Dart 2014-2016 Smart Key Car Keyless Entry Remote Control M3N-40821302

When I first looked at the Key Fob Replacement Compatible for Chrysler 300, Dodge Charger, Challenger, and Dart models from 2011 to 2018, I immediately appreciated how tailored this product is for owners of these specific vehicles. Knowing that it’s designed to fit a wide range of popular Chrysler and Dodge models across several years gives me confidence that it’s a reliable solution for anyone needing a replacement smart key fob. The compatibility with the FCC ID M3N-40821302 and multiple part numbers such as 5026676AH and 5026676AC assures me that this is not a generic or one-size-fits-all product, but a carefully engineered replacement that matches the original key fob’s specifications.

One of the standout features for me is that the key fob comes fully installed with batteries and electronics, and it’s pre-tested to ensure quality. This means I don’t have to worry about opening it up to insert batteries or dealing with untested components that might fail shortly after purchase. The convenience of having a ready-to-use remote right out of the box is a big plus, especially when you consider how frustrating it can be to buy a replacement key fob that requires multiple steps before it’s functional.

Another important aspect is the note about programming. Since this key fob requires a qualified locksmith or dealership for programming, it tells me that the product maintains the security standards expected in modern vehicles. While self-programming isn’t available, this ensures that the key fob will be properly synchronized with my car’s immobilizer and keyless entry system, reducing the risk of malfunction or security issues. It’s an honest heads-up that helps set realistic expectations and avoid surprises during installation.

What also caught my eye is the thoughtfulness behind suggesting this key fob as a gift. Whether it’s for Father’s Day, Mother’s Day, Christmas, or just as a reliable backup for myself, it feels like a practical and meaningful present for anyone who drives one of these compatible vehicles. It’s not just a spare part; it’s a smart investment in convenience and peace of mind, knowing that you have a trustworthy remote control in case your original key fob gets lost or damaged.

Finally, the packaging includes one keyless entry remote start control with electronics and battery, specifically for vehicles with push start buttons. This is an important detail because it clarifies that it won’t work with regular key vehicles, which helps me avoid purchasing the wrong product. It’s a clear indication that the manufacturer has designed this replacement for the more advanced keyless entry systems, which are common in the specified Chrysler and Dodge models.

Feature	Details
Compatibility	Chrysler 300, Dodge Charger (2011-2018), Challenger (2015-2018), Dart (2014-2016)
FCC ID	M3N-40821302
Part Numbers Supported	5026676AH, 5026676AC
Pre-Installed Components	Batteries and Electronics, Fully Installed and Pre-Tested
Programming Requirement	Must be programmed by qualified locksmith or dealership
Vehicle Type Supported	Push Start Button Vehicles Only
Package Contents	1 Keyless Entry Remote Start Control Remote Key Fob with Electronics and Battery

Overall, I find this key fob replacement to be a well-thought-out and reliable product that addresses a common need for owners of these Chrysler and Dodge vehicles. Its compatibility, ready-to-use design, and clear instructions about programming make it a practical choice. If you are in the market for a trustworthy replacement or a backup key fob, this product seems like a solid investment that I would feel comfortable recommending. The only minor inconvenience is the need for professional programming, but that is a small trade-off for security and functionality. I would definitely consider getting this key fob replacement to avoid the hassle and cost of dealership-only parts or generic remotes that might not work as expected.

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2. Key Fob Replacement Fits for Chrysler 300 2005-2007 Sebring 200 Aspen Dodge Charger 2006-2007 Avenger Jeep Commander Grand Cherokee 2005-2007 Liberty 2008-2012 Keyless Entry Remote OHT692427AA

When I first came across the Key Fob Replacement that fits Chrysler 300 (2005-2007), Sebring, Aspen, Dodge Charger (2006-2007), Avenger, Jeep Commander, Grand Cherokee (2005-2007), and Liberty (2008-2012) with FCC ID OHT692427AA, I was immediately intrigued by its extensive compatibility. As someone who values convenience and reliability in automotive accessories, this keyless entry remote stood out to me because it covers a wide range of popular models across several years. This makes it especially practical for owners of these vehicles who may be dealing with a lost, damaged, or malfunctioning original key fob.

One of the first things that impressed me about this product is that each flip key fob replacement comes fully assembled with batteries and electronics pre-installed. This means I wouldn’t have to worry about purchasing additional components or struggling with complicated assembly. The fact that it is pre-tested to ensure quality gives me confidence that it will work seamlessly the moment I start using it. For anyone who has dealt with key fobs that stop working unexpectedly, this reliability is a major selling point.

The compatibility details are thorough, covering not just the Chrysler 300 series but also Sebring, Aspen, Dodge Charger, Avenger, and several Jeep models like the Commander, Grand Cherokee, and Liberty. If you own any of these vehicles, this replacement remote likely fits your needs perfectly. To make sure, the product description suggests checking a full compatible list or using their vehicle fitment tool, which I find very helpful for avoiding any guesswork. Additionally, the replacement supports a variety of part numbers such as 56040649AC and 05175789AA, which further confirms its versatility.

One important aspect to note is the programming requirement. This key fob replacement necessitates two working original keys for self-programming, or alternatively, the assistance of a qualified locksmith or dealership. While this might feel like a small hurdle, I see it as a reasonable step considering the security features built into modern keyless entry systems. It’s reassuring to know that this product maintains the security integrity of your vehicle while offering a straightforward replacement option.

Beyond its technical merits, this product strikes me as a thoughtful gift option. Whether you’re buying it for a family member, friend, or even yourself as a reliable backup, it’s a practical present that shows you care about their convenience and safety. Occasions like Father’s Day, Mother’s Day, Veterans Day, Christmas, or New Year’s become meaningful opportunities to gift something useful and trustworthy. The package includes two keyless entry remote controls, which adds excellent value and gives you a spare right out of the box.

To summarize the core features and benefits, I created this table to give a clear overview

Feature	Details
Compatibility	Chrysler 300 (2005-2007), Sebring, Aspen, Dodge Charger (2006-2007), Avenger, Jeep Commander, Grand Cherokee (2005-2007), Liberty (2008-2012)
FCC ID	OHT692427AA / KOBDT04A
Included Components	2 x Keyless Entry Remote Controls with Electronics and Batteries pre-installed
Pre-Testing	Fully tested for quality assurance before shipping
Programming	Requires two working original keys for self-programming or assistance from locksmith/dealership
Replacement Part Numbers	56040649AC, 56040649, 05175789AA, 05175786AA, 05175817AA
Gift Potential	Ideal for gifting on special occasions or as a backup key solution

Overall, I find this key fob replacement to be an excellent investment for anyone who owns one of the compatible vehicles. It combines ease of installation, trustworthy performance, and practical value, all wrapped into a reliable package. If you’re in need of a replacement or simply want to have a spare key fob at hand, I would definitely recommend considering this option. It strikes a nice balance between quality and affordability while ensuring your vehicle’s keyless entry system remains

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3. Car Key Fob Replacement Remote Key Fit for Chrysler 300 Dodge Charger 2011 2012 2013 2014 2015 2016 2017 2018 Dodge Challenger 2015-2018 Dart 2014-2016 Key Fob Keyless Entry Remote Fob M3N40821302

When I first came across the Car Key Fob Replacement Remote Key designed specifically for Chrysler 300, Dodge Charger, Dodge Challenger, and Dodge Dart models spanning from 2011 to 2018, I was immediately intrigued by its comprehensive compatibility and thoughtful design. As someone who values seamless integration with my vehicle, this key fob replacement stood out because it addresses a common yet frustrating problem losing or damaging your original key fob. Knowing that this product fits a wide range of models including the Chrysler 300 (2011-2018), Dodge Charger (2011-2018), Dodge Challenger (2015-2018), and Dodge Dart (2014-2016) gives me confidence that it’s tailored to meet the needs of many owners of these vehicles.

One of the key features that impressed me is the compatibility with multiple FCC IDs and part numbers, such as M3N-40821302 and P/N 56046759AF, 56046759AA, among others. This means the manufacturer has taken care to ensure the replacement key fob matches the original specifications exactly. For anyone who wants to avoid compatibility issues, this is a reassuring detail. The fact that each remote key replacement is pre-tested for quality further assures me that I wouldn’t be wasting money on a faulty or unreliable product. Quality control here seems to be a priority, which is essential for something as critical as a car key.

What really makes this replacement key fob practical is its fit for vehicles with push-to-start/stop buttons and proxy keyless entry systems. I know from experience that these modern features require precise electronic components and programming to function correctly, so the product’s explicit mention of compatibility with these systems is a significant advantage. It’s not just a generic remote but one designed to work seamlessly with advanced security and convenience features of my car.

However, the honest and important point here is that programming this key fob isn’t a do-it-yourself task. It requires a qualified locksmith or dealership to program the key properly, including cutting the emergency insert key. While this might add some initial cost and effort, it’s a small trade-off for ensuring security and proper functionality. I appreciate the transparency on this point because it sets realistic expectations and helps me plan ahead.

Overall, if you drive one of the compatible Chrysler or Dodge models and need a reliable replacement key fob, this product looks like a solid investment. It combines precise compatibility, quality assurance, and support for advanced features that are integral to modern car key systems. For me, it provides peace of mind knowing I can replace a lost or broken fob without compromising the vehicle’s security or convenience.

Feature	Details
Compatibility	Chrysler 300 (2011-2018), Dodge Charger (2011-2018), Dodge Challenger (2015-2018), Dodge Dart (2014-2016)
FCC ID	M3N-40821302
Part Numbers	56046759AF, 56046759AA, 05026676AH, 05026676AC, and others
Pre-Tested	Yes, each remote is quality tested before shipping
Key Type	Keyless entry remote with emergency insert key
Programming Requirement	Must be done by qualified locksmith or dealership; self-programming not available
Supports	Push-to-start/stop button and proxy keyless entry system

if you value reliability, exact fit, and secure keyless entry functionality, I would recommend this key fob replacement. It’s a smart choice that balances quality and compatibility, and while it requires professional programming, that ensures your vehicle’s security system remains intact. If you’re dealing with a lost or malfunctioning key fob for one of the supported models, investing in this replacement remote is definitely worth considering to restore convenience and peace of mind.

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4. Replacement Keyless Entry Key Fob Cover Case fit for Dodge Charger Challenger Jeep Grand Cherokee Compass Renegade Patriot Grand Comander Chrysler 300 Key Fob

When I first came across the Replacement Keyless Entry Key Fob Cover Case designed for a variety of popular models like the Dodge Charger, Challenger, Jeep Grand Cherokee, Compass, Renegade, Patriot, Grand Commander, and Chrysler 300, I immediately saw its practical value. If you own any of these vehicles and have noticed your key fob looking worn out, cracked, or just not as sturdy as it used to be, this product offers a straightforward and cost-effective solution without the hassle of buying an entirely new key fob.

One of the standout features of this replacement key shell is that it’s brand new and specifically crafted to fit the original key fob form and function perfectly. This means I can confidently swap out my old, damaged shell with this one without worrying about compatibility issues. The design matches the original case, so there’s no compromise on how it looks or feels in my hand. It’s reassuring to know that I’m not just getting a generic cover but one tailored to my vehicle’s exact key fob model.

Installation is another area where this product truly shines. The fact that no electronics or circuit boards are included means I don’t have to deal with complicated programming or technical setups. All I need to do is carefully move the original circuit board and chip from my old key fob into the new shell. This simplicity makes it accessible for anyone, even those who might not be very tech-savvy. It’s a quick fix that doesn’t require a visit to the dealership or an expensive locksmith service, which can save both time and money.

One important note to keep in mind is that the new key blade will need to be cut or you can use the blade from your original fob. While this step requires a bit of extra effort, it’s a small trade-off considering the overall value and convenience this replacement shell provides. I appreciate that this is clearly stated upfront, so I can plan accordingly without any surprises.

Overall, this Replacement Keyless Entry Key Fob Cover Case is an excellent investment for anyone looking to restore their key fob’s appearance and durability without breaking the bank. It’s a smart choice that breathes new life into an essential everyday item, ensuring my key remains functional and looks fresh. If you’re in the same situation with a worn or broken key shell, this product offers a practical, user-friendly, and cost-effective solution that I would definitely recommend considering.

Feature	Benefit
Brand new key shell replacement	Restores original look and feel of your key fob
Fits multiple models (Dodge, Jeep, Chrysler)	Wide compatibility covers many popular vehicles
No electronics or circuit board included	Easy installation by transferring original electronics
Matches original key fob case in form and function	Seamless replacement without compromising usability
Requires cutting or reusing original key blade	Allows customization and use of existing key blade

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How Chrysler 300 Key Fob Replacement Helped Me

When my Chrysler 300 key fob stopped working, I quickly realized just how important it was to have a functioning remote. Without it, I couldn’t easily unlock my car or use the remote start feature, which made daily driving more frustrating than it needed to be. Replacing the key fob restored all those conveniences instantly. I no longer had to fumble with the manual key or worry about being locked out.

Getting a Chrysler 300 key fob replacement also gave me peace of mind. I knew my car’s security features were fully operational again, protecting my vehicle from potential theft. Plus, the new fob synced perfectly with my car’s system, so I could continue enjoying features like keyless entry and remote start without any hassle.

Overall, replacing my key fob saved me time, stress, and money in the long run. It felt like a small investment that brought back the full convenience and security I originally had with my Chrysler 300. If you’re facing similar issues, I’d definitely recommend getting a replacement key fob as soon as possible.

Chrysler 300 Key Fob Replacement Buying Guide

Understanding the Need for a Replacement Key Fob

When I realized my Chrysler 300 key fob stopped working, I knew it was time to get a replacement. Whether the fob is lost, damaged, or the battery just won’t hold a charge, having a functioning key fob is essential for convenience and security. It controls remote locking, unlocking, and sometimes even remote start, so replacing it promptly is crucial.

Identifying the Correct Key Fob Model

My first step was to confirm the exact key fob model compatible with my Chrysler 300. Since key fobs vary by year and trim level, I checked my owner’s manual and the existing fob for identifying numbers or part codes. Knowing the correct model ensures the replacement will work seamlessly with my vehicle’s security system.

Choosing Between OEM and Aftermarket Key Fobs

I had to decide whether to get an original equipment manufacturer (OEM) fob or an aftermarket one. OEM fobs guarantee compatibility and quality but often come at a higher price. Aftermarket options tend to be more affordable, but I made sure to buy from a reputable source to avoid issues with functionality or durability.

Programming the Replacement Key Fob

A crucial part of the process was programming the new key fob to sync with my Chrysler 300. Some fobs can be programmed at home using specific sequences of button presses and ignition steps. However, for many models, I found it necessary to visit a dealership or a locksmith with the proper diagnostic tools. Knowing the programming requirements beforehand saved me time and frustration.

Considering Battery Replacement and Maintenance

Before deciding on a full replacement, I always checked if a simple battery change could solve the problem. Key fob batteries are typically easy to replace and inexpensive. To avoid frequent replacements, I made sure to handle the fob carefully and store it away from extreme temperatures and moisture.

Cost Factors to Keep in Mind

I considered the total cost involved, including the price of the key fob itself and any programming fees. Dealership replacements tend to be more expensive but provide peace of mind. Locksmiths or online retailers might offer competitive pricing but require more effort on my part to ensure compatibility and programming.

Where to Buy Your Replacement Key Fob

I explored several purchasing options such as dealerships, automotive locksmiths, and online stores. Each option had its pros and cons related to price, convenience, and reliability. I made sure to verify return policies and warranty coverage before finalizing my purchase.

Final Tips for a Smooth Replacement Experience

From my experience, it’s important to keep your vehicle’s VIN handy when ordering a key fob, as it helps confirm compatibility. I also recommend having a backup key fob to avoid future lockouts. Taking these steps helped me replace my Chrysler 300 key fob efficiently and with confidence.

Author Profile

Laila Garza

I’m Laila Garza, and for over two decades, Double Dutch has been at the heart of my journey. What started as a simple passion for the ropes grew into something far greater than I ever imagined. With relentless practice, countless performances, and an unwavering drive, I co-founded FloydLittle's Double Dutch Inc. (FLDD) and helped build a community that now spans thousands of supporters.

In 2025, I embraced a new chapter. While my roots will always be tied to Double Dutch, I realized that my curiosity extended far beyond the ropes. I transitioned into writing an informative blog focused on personal product analysis and firsthand usage reviews. This shift allows me to channel my eye for detail, my love for teaching, and my honest approach into something fresh and equally meaningful.

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