1997-2016 Mercedes ALL IYZ3312 Key Fob for Keylessbest

Replace Mercedes-Benz Key Battery CR2032 keyless entry Remote IYZ-3312 instruction

Is This the Right Key Fob for Your Mercedes-Benz?

Finding a Mercedes Benz replacement key fob shouldn’t be a headache. To ensure this Keylessbest remote works for your vehicle, the first step is verifying the FCC ID: IYZ3312 or IYZ3317, Part Number 5WK47283 20490562029999 20490511049999, along with the 315MHz frequency, is the standard for U.S. model Mercedes-Benz vehicles.

Verify FCC ID IYZ3312 & Part Number 5WK47283 20490562029999 20490511049999 and Button Layout

Before ordering, check the back of your current remote or the internal circuit board. Your device must match these specific identifiers:

• FCC ID: IYZ3312 or IYZ3317
• CAN: 2701 103 2302
• PN: 5WK47283, 20490562029999, 20490511049999
• Button Configuration: 4-Button (Lock, Unlock, Trunk , and Panic)
• Frequency: 315MHz (North American Standard)

Mercedes C E S Class Key Compatibility

This remote covers a massive range of vehicles. While it supports 1997–2016 Mercedes ALL models generally, it is specifically optimized for the following year ranges:2006-2015 Mercedes Benz C CLASS

Year	Model
2006-2015	Mercedes Benz CL CLASS
2006-2015	Mercedes Benz E CLASS
2006-2015	Mercedes Benz G CLASS
2007-2015	Mercedes Benz GL CLASS
2006-2015	Mercedes Benz ML Class
2006-2015	Mercedes Benz R Class
2006-2015	Mercedes Benz S Class
1997-2016	Mercedes ALL

I’ve designed this Keylessbest Mercedes remote to be versatile. It is compatible with both NEC and BGA chip variations.

• NEC Chips: Typically found in earlier “Smart Key” versions (often with a plastic casing).
• BGA Chips: Found in the later, sleeker chrome-sided versions.

Our electronics are engineered to sync seamlessly with your car’s Electronic Ignition Switch (EIS), provided you are using the 315MHz Mercedes remote standard common in the United States. If your vehicle was manufactured for the U.S. market within these year ranges, this is the high-quality, cost-effective solution you need.

Key Features and Tech Specs of the Keylessbest IYZ3312 Remote

I have designed this Mercedes 4 button key fob to be a rock-solid replacement for your original equipment. It’s not just about looking the part; the internal circuitry is precision-engineered to meet the exact 315MHz Mercedes remote standards used in U.S. models. Whether you are replacing a lost unit or just want a spare, the build quality on this IYZ3312 key fob ensures it stands up to daily use without the buttons wearing down or the signal dropping.

Technical Specifications At-A-Glance

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High-Performance Hardware

I make sure every Mercedes smart key 1997-2016 we ship is ready for long-term service. We don’t cut corners on the internals, focusing on range and durability.

• Long-Range Signal: With two CR2026 batteries pre-installed, you get maximum transmission distance for locking and unlocking your vehicle from afar.
• Emergency Access: I include an uncut HU64 emergency key blade inside the housing. This is a lifesaver for manual entry if your vehicle’s main battery ever fails.
• OEM-Grade Shell: The outer casing is made from high-impact materials designed to survive drops and pocket wear while maintaining the professional look of your Mercedes-Benz.
• Circuit Protection: The internal chipsets are built to handle the security protocols of the Mercedes C E S Class key systems without glitching.

How to Program Your 1997-2016 Mercedes C CL E G GL ML R S CLASS IYZ3312 Key Fob

Programming a Mercedes Benz replacement key fob is a specialized task that requires professional-grade equipment. Because Mercedes uses a sophisticated infrared security system, these remotes cannot be programmed at home with a simple DIY sequence. The IYZ3312 key fob must be digitally “mated” to your vehicle’s computer to function.

Why Professional Programming is Required

The heart of your car’s security is the Electronic Ignition Switch (EIS). To prevent theft, the EIS only accepts signals from keys with the exact matching rolling code. When you bring your Keylessbest Mercedes remote to a professional, they use a dedicated programmer to sync the chip data.

• Dealer vs. Locksmith: Most dealerships charge premium labor rates for a lost Mercedes key replacement. I recommend finding a local automotive locksmith who specializes in European brands to save significantly on costs.
• The Syncing Process: The technician will write the vehicle’s unique security identification to the NEC BGA Mercedes key chip.
• Blade Cutting: Don’t forget the Mercedes emergency key blade. A locksmith will use a high-precision laser cutter to trace your original key, ensuring manual entry works every time.

Tips for Finding the Right Locksmith

Not every locksmith has the hardware to handle a Mercedes smart key 1997-2016. When calling around, ask specifically if they have the software to program the Mercedes FCC ID IYZ3312 for your specific year and model.

Once your order arrives—ideally secured with our route shipping protection for peace of mind—you simply provide the remote to the technician. A standard programming and cutting session usually takes under an hour. This ensures your 315MHz Mercedes remote and all 4 buttons (Lock, Unlock, Trunk, and Panic) are fully calibrated to your car’s factory standards.

Why I Recommend Keylessbest Over Dealership Options

Dealing with a dealership for a lost Mercedes key replacement is notoriously expensive and time-consuming. I recommend the Keylessbest Mercedes remote because it provides an affordable Mercedes key fob solution without the “luxury tax” usually added by service centers. We use high-quality electronics that match the Mercedes FCC ID IYZ3312 requirements, ensuring you get the same 315MHz Mercedes remote performance for a fraction of the price.

Dealership vs. Keylessbest Comparison

Fast Shipping and Reliable Support

I’ve built this platform to ensure every 1997-2016 Mercedes C CL E G GL ML R S CLASS IYZ3312 Key Fob for Keylessbest arrives in a ready-to-program condition. We know that being without a vehicle is a major headache, so we prioritize quick processing to get you back on the road. If you are looking for compatible parts for older models, such as a 2005 Mercedes-Benz, our inventory is curated for precision and reliability.

• Arrive-Ready Condition: Every IYZ3312 key fob is tested before it leaves our facility.
• 90-Day Guarantee: My experience shows that confidence matters; if the remote isn’t right, we fix it.
• Expert Support: We provide the technical specs your locksmith needs for a smooth Mercedes key programming experience.

By choosing an aftermarket Mercedes key from us, you aren’t sacrificing security. You are simply choosing a smarter way to maintain your Mercedes C E S Class key system without the dealership markup.

FAQ: Common Worries About the 1997-2016 Mercedes C CL E G GL ML R S CLASS IYZ3312 Key Fob for Keylessbest

I understand that buying a Mercedes Benz replacement key fob online can feel a bit technical. Here are the most common questions I get from customers looking to secure a reliable spare or replace a lost Mercedes key replacement.

Will this work with my push-button start system?

This IYZ3312 key fob is designed for Mercedes-Benz models using the 315MHz frequency. It works perfectly for vehicles where you insert the smart key into the ignition slot. If your car has the “Keyless Go” push-button start feature, this remote will typically start the car when inserted into the dash, but proximity-based starting depends on your specific vehicle’s software and the locksmith’s programming capabilities.

The importance of having a backup spare key

Never wait until you lose your last key. A lost Mercedes key replacement scenario can cost upwards of $500 for a mobile locksmith to generate a key from scratch. By ordering this Keyless entry remote Mercedes now, you are spending a fraction of that cost to ensure you’re never stranded.

How to replace the internal battery

If your range starts to drop, it’s time for a fresh power source. This remote uses two CR2026 batteries.

• Slide the release catch to remove the Mercedes emergency key blade.
• Use the blade to pop the back cover open.
• Swap the old cells for new ones, ensuring the “+” side faces up.
• For more details, check out my guide to what kind of battery your key fob needs to ensure peak performance.

What to do if the programming doesn’t take the first time

If your locksmith struggles to sync the NEC BGA Mercedes key, don’t panic. Security protocols on these European cars are tight.

• Verify the Frequency: Double-check that your car is a U.S. spec 315MHz model.
• Check the EIS: Ensure your Electronic Ignition Switch is healthy and communicating.
• Try a Specialist: Some generic scanners can’t handle the Mercedes FCC ID IYZ3312 encryption; you may need a locksmith specifically using tools like the VVDI MB Tool or Autel IM608.