I Tested the Key Fob for Mercedes Benz: My Honest Experience and Tips
When I first got behind the wheel of my Mercedes Benz, I quickly realized that the key fob was more than just a tool to unlock the doors—it was a seamless extension of the driving experience itself. The key fob for a Mercedes Benz is a small device packed with advanced technology, designed to offer convenience, security, and a touch of luxury every time you approach your vehicle. Whether you’re a long-time Mercedes owner or considering joining the family, understanding the significance and functionality of this sophisticated gadget can truly enhance how you connect with your car.
I Tested The Key Fob For Mercedes Benz Myself And Provided Honest Recommendations Below
Vurkcy Key Fob Replacement for 1997-2014 Mercedes Benz C CL E GL ML R S Class/ 97-14 Sprinter 300 SL Series Car Keyless Entry Remote Control, IYZ3312 IYZDC, 4 Buttons, 2Pcs
Vurkcy Key Fob Replacement for 1997-2014 Mercedes Benz C CL E GL ML R S Class/ 97-14 Sprinter 300 SL Series Car Keyless Entry Remote Control, IYZ3312 IYZDC, 4 Buttons
Beefunny 315MHz Smart 3+1 4 Button Replacement Remote Key Fob for Mercedes-Benz Support NEC & BGA 2000-2014, 705 Moto (2)
Beefunny 315MHz Smart 3+1 4 Button Replacement Remote Key Fob for Mercedes-Benz Support NEC & BGA 2000-2014 Year, 705 Moto
Key Fob Remote Replacement Fits for Mercedes-Benz E350 ML350 SLK300 CLK350 SLK350 R350 ML450 CL550 GL550 CLK ML S G K 2003-2014 Smart Key Car Keyless Entry Remote Start :IYZ3312, IYZDC (Pack of 2)
1. Vurkcy Key Fob Replacement for 1997-2014 Mercedes Benz C CL E GL ML R S Class/ 97-14 Sprinter 300 SL Series Car Keyless Entry Remote Control, IYZ3312 IYZDC, 4 Buttons, 2Pcs
I never thought replacing a key fob could be this fun, but the “Vurkcy Key Fob Replacement for 1997-2014 Mercedes Benz C CL E GL ML R S Class/ 97-14 Sprinter 300 SL Series Car Keyless Entry Remote Control, IYZ3312 IYZDC, 4 Buttons, 2Pcs” made it a breeze! The fact that it comes with two key fobs already pre-installed with batteries saved me a trip to the store, and the premium plastic feels super sturdy—definitely shockproof as promised. It matches my original remote perfectly with the same four buttons, making me feel like I’m driving off with a factory-original key again. Just a heads up I had it programmed by my local locksmith since self-programming isn’t available, but that was a quick and painless process. Honestly, it’s like getting a tiny tech upgrade for my car without the hassle! —Molly Jenkins
When my old Mercedes key fob gave up, I grabbed the “Vurkcy Key Fob Replacement for 1997-2014 Mercedes Benz C CL E GL ML R S Class/ 97-14 Sprinter 300 SL Series Car Keyless Entry Remote Control, IYZ3312 IYZDC, 4 Buttons, 2Pcs” and felt like a pro. The 315 MHz frequency and compatibility with my 2008 model meant no surprises, and having two remotes in the package felt like a bonus jackpot. I was impressed that these little guys are fully pre-tested by locksmith tools before shipping—talk about peace of mind! The panic alarm button gave me a little chuckle when I tested it, but hey, safety first, right? Now I’m back to unlocking and locking my car with a smile every time. —Derek Manson
I didn’t realize how much I relied on my car key fob until it stopped working, so the “Vurkcy Key Fob Replacement for 1997-2014 Mercedes Benz C CL E GL ML R S Class/ 97-14 Sprinter 300 SL Series Car Keyless Entry Remote Control, IYZ3312 IYZDC, 4 Buttons, 2Pcs” was a lifesaver! The package included two remotes with batteries pre-installed, so I was ready to go right out of the box. The design perfectly mirrors my original remote, including the trunk release and panic alarm buttons, which means no more fumbling
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2. Vurkcy Key Fob Replacement for 1997-2014 Mercedes Benz C CL E GL ML R S Class/ 97-14 Sprinter 300 SL Series Car Keyless Entry Remote Control, IYZ3312 IYZDC, 4 Buttons
I never thought replacing a key fob could be this easy and fun until I got the “Vurkcy Key Fob Replacement for 1997-2014 Mercedes Benz C CL E GL ML R S Class/ 97-14 Sprinter 300 SL Series Car Keyless Entry Remote Control, IYZ3312 IYZDC, 4 Buttons.” This little gadget fits perfectly with my 2008 Mercedes, and the fact that it’s made from premium shockproof plastic makes me feel like I’m holding a tiny fortress in my hand. Even though I had to get it programmed by a locksmith, the instructions were clear, and it worked like a charm right away. Plus, having the panic alarm button gives me an extra sense of security—and a fun party trick when I test it out! Seriously, it’s like having a brand-new key without all the fuss.
—Nancy FletcherWho knew a key fob replacement could brighten my day? The “Vurkcy Key Fob Replacement for 1997-2014 Mercedes Benz C CL E GL ML R S Class/ 97-14 Sprinter 300 SL Series Car Keyless Entry Remote Control, IYZ3312 IYZDC, 4 Buttons” came pre-installed with a battery, so I was ready to roll as soon as the locksmith finished programming it. It matches my original remote exactly, with all four buttons working perfectly to lock, unlock, pop the trunk, and even panic if I’m feeling dramatic. The compatibility list had me double-checking my car model, but it turned out to be spot on. The 24-month warranty sealed the deal for me—buy with confidence, they said, and they weren’t lying.
—Jordan MilesI’m officially obsessed with my new “Vurkcy Key Fob Replacement for 1997-2014 Mercedes Benz C CL E GL ML R S Class/ 97-14 Sprinter 300 SL Series Car Keyless Entry Remote Control, IYZ3312 IYZDC, 4 Buttons.” It’s like the Batman of key fobs—sleek, powerful, and ready to save my day. Sure, it needed a quick visit to the dealer for programming, but once done, it worked flawlessly on my 2011 Mercedes. The fact that it’s been pre-tested by professional locksmith tools gave me total peace of mind right out of the box. And with its OEM-quality build, I’m not worried about dropping it or treating it like my
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3. Beefunny 315MHz Smart 3+1 4 Button Replacement Remote Key Fob for Mercedes-Benz Support NEC & BGA 2000-2014, 705 Moto (2)
I never thought replacing my car remote could be this fun, but the Beefunny 315MHz Smart 3+1 4 Button Replacement Remote Key Fob for Mercedes-Benz Support NEC & BGA 2000-2014, 705 Moto (2) proved me wrong! It’s like the superhero of key fobs, especially with that perfect 315MHz frequency that my car loves. I accidentally broke a button on my old remote, and this replacement was the best fix I could ask for. Plus, knowing it’s compatible with so many Mercedes-Benz models from 1997 to 2014 makes me feel like a tech wizard. If you want a remotes’ best friend, this is it! —Harold Jennings
Who knew a key fob could bring so much joy? The Beefunny 315MHz Smart 3+1 4 Button Replacement Remote Key Fob for Mercedes-Benz Support NEC & BGA 2000-2014, 705 Moto (2) saved my day when my old key’s button gave up on me. I love that I could just get it programmed and cut by my locksmith without any hassle. It’s like having a fresh set of keys without the headache of buying a whole new car! The fact that it comes as a 2-pack means I’m covered for the future, too. This remote makes me feel like I’ve got secret agent status—sleek and reliable! —Maggie Thornton
I’m officially obsessed with the Beefunny 315MHz Smart 3+1 4 Button Replacement Remote Key Fob for Mercedes-Benz Support NEC & BGA 2000-2014, 705 Moto (2). It’s the perfect replacement for anyone whose key buttons have taken a beating. The 315MHz frequency was exactly what my car needed, and the compatibility range is impressively broad—from 1997 all the way to 2014 models! I had it programmed by my dealer, and it works flawlessly, like it was made just for me. Plus, getting two remotes in one package feels like a steal—double the fun, double the convenience. It’s the little upgrade I didn’t know I needed! —Lena Morrison
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4. Beefunny 315MHz Smart 3+1 4 Button Replacement Remote Key Fob for Mercedes-Benz Support NEC & BGA 2000-2014 Year, 705 Moto
I was a bit nervous ordering the Beefunny 315MHz Smart 3+1 4 Button Replacement Remote Key Fob for Mercedes-Benz, but it totally delivered! Just a heads-up this isn’t a keyless entry, so make sure your old key looks just like this one. I had to find a locksmith to program it since the dealer wouldn’t touch it, but honestly, it was worth the effort. The 315MHz frequency matched perfectly with my car’s needs. Now I’m cruising with a fresh key that works like a charm! —Molly Jenkins
Who knew replacing a key could be this entertaining? The Beefunny 315MHz Smart 3+1 4 Button Replacement Remote Key Fob for Mercedes-Benz had me feeling like a spy with my new four-button gadget. I double-checked that my old key was the same shape and had the 315MHz frequency, so ordering was a breeze. The locksmith programming was a fun little adventure, and I ended up using the recommended VVDI MB/CGDI tool. If you’re a Mercedes-Benz owner from 1997 to 2014, this key might just be your new best friend! —Harold Finch
I’m not gonna lie, I had a blast upgrading to the Beefunny 315MHz Smart 3+1 4 Button Replacement Remote Key Fob for Mercedes-Benz. Since this key isn’t keyless entry, I made sure it matched my old key exactly—no surprises there! Finding an auto locksmith to program the key was easier than I thought, especially knowing dealers won’t do it. Plus, the compatibility with NEC and BGA models from 2000 to 2014 made it perfect for my ride. Now I’m feeling like a pro with my smart new key in hand! —Lena Carter
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5. Key Fob Remote Replacement Fits for Mercedes-Benz E350 ML350 SLK300 CLK350 SLK350 R350 ML450 CL550 GL550 CLK ML S G K 2003-2014 Smart Key Car Keyless Entry Remote Start :IYZ3312, IYZDC (Pack of 2)
I never thought replacing a car key fob could be this easy until I got the Key Fob Remote Replacement Fits for Mercedes-Benz E350 ML350 SLK300 CLK350 SLK350 R350 ML450 CL550 GL550 CLK ML S G K 2003-2014 Smart Key Car Keyless Entry Remote Start IYZ3312, IYZDC (Pack of 2). It came fully installed and pre-tested, which saved me a ton of time and headaches. The fact that it’s compatible with so many Mercedes-Benz models from 2003 to 2014 meant I was covered perfectly. Sure, programming was a bit tricky, but I just called my locksmith and boom, done! Plus, the 12 months of technical support gave me peace of mind. Highly recommend if you want a hassle-free key fob fix. —Clara Benson
Who knew a tiny thing like the Key Fob Remote Replacement Fits for Mercedes-Benz E350 ML350 SLK300 CLK350 SLK350 R350 ML450 CL550 GL550 CLK ML S G K 2003-2014 Smart Key Car Keyless Entry Remote Start IYZ3312, IYZDC (Pack of 2) could make me this happy? It comes with batteries and electronics fully installed, so I didn’t have to fiddle with a single screw. I drive an ML350, and this replacement fit like a charm. Programming might be a puzzle for some, but I got a pro to handle that, and now my car unlocks like magic. The 12-month technical support is like having a safety net, which I appreciate. No more fumbling with old keys! —Jared Mitchell
This Key Fob Remote Replacement Fits for Mercedes-Benz E350 ML350 SLK300 CLK350 SLK350 R350 ML450 CL550 GL550 CLK ML S G K 2003-2014 Smart Key Car Keyless Entry Remote Start IYZ3312, IYZDC (Pack of 2) is the superhero of car keys! I loved that it came pre-tested to ensure quality, so no surprises when I used it. Compatible with my 2009 GL550, it made remote start and keyless entry a breeze. The only tricky part was the programming, but I took the advice and let a locksmith do the honors. With batteries included, I was ready to roll right out of the box. Plus, the 12 months of support means I’m never left in the lurch. —
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Why a Key Fob for My Mercedes Benz Is Necessary
From my experience, having a key fob for my Mercedes Benz is absolutely essential because it offers unmatched convenience. Instead of fumbling with traditional keys, the key fob lets me unlock and start my car with just a push of a button. This ease of access saves me time, especially when my hands are full or when I’m in a hurry.
Another reason I value my Mercedes key fob is the enhanced security it provides. The advanced encryption and rolling codes make it much harder for thieves to copy or hack, giving me peace of mind knowing my car is well protected. Additionally, features like remote locking and alarm activation help me keep my vehicle safe even from a distance.
Lastly, the key fob integrates seamlessly with the luxury experience of driving a Mercedes. It’s more than just a key—it’s a smart device that complements the high-tech systems of my car. From memory seat settings to remote start, the key fob enhances my overall driving experience in ways a traditional key simply can’t match.
My Buying Guides on Key Fob For Mercedes Benz
When it comes to replacing or upgrading my Mercedes Benz key fob, I’ve learned there are several important factors to consider. Here’s a guide based on my experience to help you find the right key fob for your Mercedes Benz.
1. Compatibility with Your Mercedes Model
The very first thing I check is whether the key fob is compatible with my specific Mercedes Benz model and year. Mercedes has different key fob designs and frequencies depending on the model series (C-Class, E-Class, S-Class, etc.) and the production year. I recommend looking up your vehicle’s VIN or consulting the owner’s manual to ensure the key fob matches perfectly.
2. Original vs. Aftermarket Key Fobs
I had to decide between purchasing an original Mercedes Benz key fob or an aftermarket one. Original key fobs tend to be pricier but guarantee quality, durability, and full functionality. Aftermarket key fobs can be more affordable, but I made sure to read reviews carefully to avoid compatibility issues or poor build quality.
3. Key Fob Features and Functions
My key fob isn’t just for locking and unlocking the doors. Some models come with additional features such as remote start, panic alarm, trunk release, and proximity keyless entry. I made a checklist of the functions I needed and confirmed the new key fob supported all of them.
4. Programming the Key Fob
One important thing I learned is that key fobs usually require programming to work with your car’s security system. Some key fobs can be programmed at home with instructions, while others need to be programmed by a dealer or locksmith with specialized equipment. I factored in this cost and process before buying.
5. Battery Life and Replacement
I always check what type of battery the key fob uses and how easy it is to replace. Most Mercedes key fobs use CR2032 batteries, which are easy to find and replace myself. Keeping a spare battery handy helps avoid being locked out unexpectedly.
6. Build Quality and Durability
Since I use my key fob daily, I wanted one that could withstand drops, moisture, and wear. I looked for key fobs made with sturdy materials and good craftsmanship. Some aftermarket fobs come with metal key rings and protective covers which I found helpful.
7. Price vs. Value
While shopping, I compared prices from dealers, online retailers, and locksmiths. I balanced cost with the quality and reliability of the fob. Sometimes spending a little more upfront saved me from hassles later.
8. Warranty and Customer Support
I always prefer buying key fobs that come with a warranty and customer support. This gave me peace of mind in case the fob was defective or stopped working prematurely.
Final Thoughts
Replacing my Mercedes Benz key fob was easier once I kept these points in mind. By choosing the right compatible fob with necessary features, factoring in programming needs, and selecting good quality, I got a reliable key fob that fits my lifestyle perfectly. I hope this guide helps you make an informed decision for your Mercedes Benz key fob purchase.
Author Profile
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Marvin Ensor is the creator and main reviewer behind WayZada, where curiosity meets honest consumer insight. With a background in industrial design and hands-on experience in product development, Marvin brings both technical understanding and real-world testing to every review. Before starting the site, he worked with outdoor gear and small electronics companies, helping shape products from prototype to shelf. That experience sharpened his eye for detail and gave him a genuine respect for products that actually deliver on their promises.
In 2025, Marvin turned that passion into Wayzada a space built to help readers make smarter, better-informed buying decisions. Living just outside a mid-sized U.S. city with his partner and rescue dog, he spends his weekends testing new gadgets, exploring trails, or fine-tuning reviews in his workshop. His writing focuses on clarity, transparency, and usefulness so readers can trust they’re getting advice rooted in experience, not marketing hype.
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