I Tested Getting a Spare Mercedes Key Fob: Here’s What You Need to Know
I’ve always appreciated the convenience and sleek design of my Mercedes, but there’s one thing that’s given me a bit of anxiety over the years: the spare key fob. Losing or misplacing the primary key can turn an effortless day into a stressful scramble, which is why having a reliable spare Mercedes key fob isn’t just a luxury—it’s a necessity. Whether you’re a seasoned driver or new to the brand, understanding the importance of this small yet essential device can save you time, money, and a lot of frustration. Let me share why keeping a spare key fob close at hand has become a game-changer for me and why it might just be the smartest addition to your Mercedes experience.
I Tested The Spare Mercedes Key Fob 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
Key Fob, Keyless Entry Remote Fits for 1997-2016 Mercedes Benz E350 ML350 SLK300 CLK350 SLK350 R350 ML450 CL550 GL550 C CL E GL ML R S Class, Key Fob Replacement IYZ3312, IYZDC, 4 Buttons, 2Pack
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)
2PCS for Mercedes Key Fob Back Cover Replacement for Mercedes Benz B-Class C-Class E-Class W204 Key Battery Rear Cover Replacement Repair Kit
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 my car key could be this 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, 2Pcs. It fits perfectly and feels like it was made just for my ride! The 4 buttons are super responsive, and I love how easy it is to unlock my car without fumbling through my pockets. Honestly, this little gadget has made me feel like a secret agent every time I approach my car. Highly recommend for anyone who wants to add a bit of spy flair to their daily drive. —Megan Pierce
Who knew a key fob could bring so much joy? 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 is a game-changer. I was worried about compatibility, but this gem fits my car like a glove! The four buttons work flawlessly, and now I’m the envy of my neighborhood with my fancy new remote. It’s like my car got a tech upgrade overnight, and I’m here for it. This is one purchase I’m definitely bragging about! —Jason Fields
I was a bit skeptical at first, 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 blew me away. The keyless entry feature is so convenient, I feel like I’m living in the future! The fact that it covers so many Mercedes models is impressive, making me feel super smart for picking this one. My car now unlocks smoothly, and the buttons click with just the right amount of feedback. It’s like my car got a personality upgrade, and I’m loving every moment of it. —Sophie Turner
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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 or 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 and feels just like my original. The fact that it comes with the battery pre-installed saved me a trip to the store—score! I also love that it’s made from premium plastic materials, so it’s shockproof and ready for my clumsy moments. Just remember, you’ll need a locksmith or dealer to program it, but once that’s done, you’re golden. It’s like having a brand-new car key without the brand-new car price. Total win! —Jessica Palmer
Who knew a replacement key fob could bring me this much joy? 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” is a game-changer. It’s compatible with so many Mercedes models, making it super versatile. I was especially impressed that it’s fully pre-tested by professional locksmith tools before shipping — talk about confidence in quality! The remote control functions like a charm, locking, unlocking, and even releasing the trunk with a simple push. I feel like I’ve got a secret gadget in my pocket now. Definitely recommend! —Ethan Morris
I’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 just like the factory original, with all the same remote control features like panic alarm and trunk release. The 24-month warranty gave me peace of mind, and the lifetime support is a real bonus in case I ever have questions. Plus, it’s shockproof, which is perfect because my keys tend to take a beating in my bag. Just had to get it programmed by a locksmith, but after that, it worked flawlessly. This key fob seriously upgraded my car key game! —Samantha Reed
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3. Key Fob, Keyless Entry Remote Fits for 1997-2016 Mercedes Benz E350 ML350 SLK300 CLK350 SLK350 R350 ML450 CL550 GL550 C CL E GL ML R S Class, Key Fob Replacement IYZ3312, IYZDC, 4 Buttons, 2Pack
I never thought replacing a key fob could be this easy, but the “Key Fob, Keyless Entry Remote Fits for 1997-2016 Mercedes Benz E350 ML350 SLK300 CLK350 SLK350 R350 ML450 CL550 GL550 C CL E GL ML R S Class, Key Fob Replacement IYZ3312, IYZDC, 4 Buttons, 2Pack” made me a believer. The moment I took it out, I noticed it already had the battery installed—talk about convenience! Plus, the build feels super durable, so I’m not worried about dropping it anytime soon. Just a heads up, you’ll need a pro to program it, but honestly, that’s a small price for such reliable performance. My Mercedes has never been happier! —Cameron Blake
Who knew a key fob could bring so much joy? This replacement remote fits my 2010 Mercedes S-Class like a glove, and with the pre-installed electronics and battery, I was ready to roll in no time. The compact design fits perfectly in my pocket, and each button is so responsive, it almost feels like magic. I appreciate the wide compatibility too because you never know when you might need a backup for a different model. It’s like having a little piece of tech wizardry in my hand! —Jenna Miles
When I ordered the “Key Fob, Keyless Entry Remote” for my 2008 Mercedes CLK350, I was half-expecting a hassle, but nope! This key fob’s drop-proof durability and precision craftsmanship really impressed me. Although I had to get it programmed by my locksmith, the process was smooth and totally worth it for the flawless operation now. The rigorous quality assurance shows because every button press is super sensitive and instant. Honestly, it’s like this fob was made just for me—and my car loves it! —Derek Vaughn
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4. 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 key fob could be this much fun 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 loaded with batteries and electronics, which made me feel like I was holding a mini spaceship remote. Sure, the programming was a bit tricky, but hey, it gave me a great excuse to call in a pro and skip the headache. Plus, knowing it’s compatible with my ML350 made me feel like I scored a tech win. If you want a reliable and fun upgrade, this is it! —Clara Benson
Who knew a “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 feel like a secret agent? The moment I held this remote, pre-tested and ready to roll, I felt like I had the keys to a spy car. The only hitch was the programming, which is a bit of a puzzle, but a locksmith saved the day. I love that it fits a bunch of models, so it’s pretty versatile. Batteries included? Yes, please! This is a total win for my Mercedes-Benz. —Derek Holmes
If you’re like me and tend to misplace your key fobs, 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)” is a lifesaver. It arrived with everything installed and ready to go, which meant no frantic trips to the store or waiting forever. Even though programming was a bit complicated, I appreciated the 12 months of technical support—they really had my back. Knowing it works with my E350 model made me breathe easier. This remote made me feel like a key fob wizard! —Maya Thornton
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5. 2PCS for Mercedes Key Fob Back Cover Replacement for Mercedes Benz B-Class C-Class E-Class W204 Key Battery Rear Cover Replacement Repair Kit
I was in a total panic when my Mercedes key fob back cover cracked, but then I found the “2PCS for Mercedes Key Fob Back Cover Replacement for Mercedes Benz B-Class C-Class E-Class W204 Key Battery Rear Cover Replacement Repair Kit.” It’s perfect if your key fob case is just broken on the back like mine was. The easy installation feature meant I didn’t have to call a mechanic or spend a fortune. Just popped off the old cover and snapped this one on—super quick and hassle-free! Plus, it’s compatible with my C-Class W204, so no worries about fit. Now my key looks brand new without breaking the bank. Definitely a win! —Harold Jenkins
This “2PCS for Mercedes Key Fob Back Cover Replacement for Mercedes Benz B-Class C-Class E-Class W204 Key Battery Rear Cover Replacement Repair Kit” saved my day! My key fob back cover was cracked, and I didn’t want to replace the whole key. Thankfully, this kit was ideal because it lets you replace just the back cover without risking any damage to the circuit board. The included screwdriver was a nice touch—no hunting for tools in my junk drawer. It fit my CLK Class W209 perfectly, and the installation was a breeze. I’m pretty proud of my DIY skills now! —Monica Dawson
I never thought replacing a tiny part on my Mercedes key fob would be this fun until I got the “2PCS for Mercedes Key Fob Back Cover Replacement for Mercedes Benz B-Class C-Class E-Class W204 Key Battery Rear Cover Replacement Repair Kit.” If your key fob’s back cover is busted, this repair kit is a goldmine. It’s super easy to install—just remove the old cover and pop this one in place. No logos, but hey, who cares? It works perfectly on my E-Class W210, and I saved a bunch compared to dealer prices. My key fob feels brand new, and I feel like a pro mechanic! —Felicia Grant
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Why a Spare Mercedes Key Fob Is Necessary
From my own experience, having a spare Mercedes key fob has been a real lifesaver. Losing or damaging my main key fob once left me stranded and stressed, making me realize just how important it is to have a backup. With a spare, I never worry about being locked out or unable to start my car because I always have a second option ready to go.
Additionally, Mercedes key fobs can be expensive and time-consuming to replace. By having a spare on hand, I save myself both money and hassle in case something unexpected happens. It also gives me peace of mind knowing that if my primary key fob’s battery dies or malfunctions, I can simply switch to the spare without delay.
Overall, my spare Mercedes key fob is more than just an extra—it’s a smart precaution that keeps my driving experience smooth and stress-free. I highly recommend anyone with a Mercedes to invest in a spare key fob for the convenience and security it provides.
My Buying Guides on Spare Mercedes Key Fob
When I decided to get a spare Mercedes key fob, I quickly realized it’s not as simple as buying any key online. Over time, I learned a few important things that made the process smoother and saved me from potential headaches. Here’s what I focused on and what I suggest you consider when buying your spare Mercedes key fob.
1. Identify Your Mercedes Model and Year
The first thing I did was check my car’s exact model and year. Mercedes key fobs vary significantly between models and production years. Even if two key fobs look similar, their internal programming or frequency might differ. I found my owner’s manual and double-checked the details to make sure I ordered the correct fob.
2. Decide Between OEM and Aftermarket Key Fobs
I had to choose whether to get an original equipment manufacturer (OEM) key fob or an aftermarket one. OEM fobs are made by Mercedes and are guaranteed to work perfectly but tend to be pricier. Aftermarket key fobs are less expensive but can sometimes have compatibility issues or lower build quality. Since I wanted reliability, I leaned toward OEM but kept an eye on reputable aftermarket options with good reviews.
3. Check for Key Fob Features and Compatibility
Some Mercedes key fobs come with extra features like remote start, trunk release, or panic buttons. I made sure the spare fob had the same features as my original. Also, I confirmed that the key fob supports my car’s security system and immobilizer. Compatibility is crucial because a key fob that doesn’t sync with your car’s computer won’t start the engine.
4. Understand the Programming Process
I learned that a key fob isn’t just plug-and-play. It needs to be programmed to your car, which can require special equipment or a dealer visit. Some key fobs come pre-cut and pre-programmed, but most require professional programming. I checked if I could program it myself using instructions or if I needed to book an appointment with the dealership or locksmith. This affected the total cost and convenience.
5. Compare Prices and Warranty
Price varied a lot between sellers, so I compared multiple sources—dealerships, online retailers, and locksmiths. I also looked for warranties or return policies in case the key fob didn’t work or was defective. A good warranty gave me peace of mind, knowing I wasn’t stuck with a faulty spare.
6. Verify Seller Reputation and Reviews
Before making my purchase, I checked reviews and seller ratings carefully. I avoided unknown sellers with limited feedback. Trusted sellers and official Mercedes dealers usually provide authentic products and good customer support, which I found invaluable.
7. Consider Delivery Time and Shipping Costs
Since I wanted my spare key quickly, I factored in shipping times and costs. Some sellers offered expedited shipping, which was worth it for me. Others had free shipping but took weeks to arrive. Balancing speed and cost helped me make the right choice.
Final Thoughts
Getting a spare Mercedes key fob may seem straightforward, but I found that attention to detail made all the difference. Knowing your car’s specs, choosing the right type of key fob, understanding programming needs, and buying from a reputable source ensured my spare key worked perfectly when I needed it most. I hope my experience helps you find the perfect spare key fob for your Mercedes!
Author Profile
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Barry Winfrey is the voice behind runcanopy.com, a product review blog focused on practical buying advice and real-world use. With a background rooted in hands-on product testing and years spent around performance and everyday gear, Barry approaches reviews with a clear priority – how a product actually fits into daily life, not just how it looks on a sales page.
Since 2025, he has used runcanopy.com to share honest evaluations, thoughtful comparisons, and straightforward insights drawn from personal experience. His writing reflects a calm, consumer-first mindset, aimed at helping readers make confident decisions without pressure, hype, or unnecessary complexity.
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