M3-2312 (382) for Marantec Garage Door Opener Remote 315MHz Harrison Martin






M3-2312 Garage Door Remote Post


M3-2312 😅🔑 Garage remote rescue time!

Honestly, it’s always a little annoying when you realize you only have one garage remote (and it’s not even in your pocket).
This M3-2312 replacement remote is designed to work with compatible Marantec garage door opener models, and it’s set up to be a straightforward clone from your existing remote.

315MHz compatibility check
Clone setup with connectors
Works with multiple Marantec opener lines


Check Availability on Amazon

Product explanation

The M3-2312 (382) remote is intended as a replacement for certain Marantec digital garage door opener remotes.
The key thing is making sure your current remote is operating on 315MHz—because frequency mismatches are a real “why isn’t this working?!” moment.
If your existing remote is compatible, the biggest appeal is the simple code-clone approach using the included program connectors.

Package includes: m3-2312 garage opener remote, user manual, and a clip.

Compatibility notes (read this part)

This remote is described as compatible with Marantec garage door opener systems listed by the manufacturer.
It also mentions that it shares Marantec coding with certain Martin/Marantec opener models—so it’s worth double-checking your exact model before you buy.

M3-2312 / 382 / 384
315MHz check
Marantec digital lines

Key Features
  • Replacement remote: M3-2312 remote compatible with Marantec garage door remote digital models including 382, 384, M3-2312, M3-3313, and M3-2314 (per the provided details).
  • 315MHz frequency: Please verify your existing remote is 315MHz by checking the back before pairing/using this replacement.
  • Clone-style setup: Intended for a straightforward code transfer from your old Marantec remote using the included program connectors (listed as “in 1 min” in the product details).
  • Works with listed Marantec openers: Includes models such as M4500, M4700, Q7700, Q7900, M4500e, M4700e, M4900e, M4500ECO, M4700ECO, M50, M55, Synergy Solo, Synergy 260, Synergy 270, Synergy 280, Synergy 360, Synergy 370, and Synergy 380 (from the provided details).
  • Also listed for certain Martin/Marantec opener models: DC3700, DC2500, or DC3700HD that share Marantec coding (per the provided details).
  • Range mentioned: The details state up to 120 feet away from the driver’s seat (range can vary by installation and environment).
Why This Product Exists

This is basically for people who have a garage opener that works… until a remote goes missing, stops cooperating, or someone in the household needs their own.
The biggest appeal is the “clone from your old remote” approach—because nobody wants to spend an evening hunting through complicated setup steps when they just want the door to open.

Best Fit For
  • Multi-car households that want a spare remote without starting from scratch.
  • Anyone replacing a Marantec remote where the details match your opener’s remote model and frequency.
  • People who prefer a simple code transfer method using connectors (as described in the product information).

If you’re unsure about frequency or model compatibility, double-check the back of your current remote and your opener model before ordering.

Final Verdict

If your current Marantec setup is on 315MHz and falls within the compatible model list, the M3-2312 replacement remote is a practical, spare-friendly option.
It’s designed for a straightforward clone setup, so it’s a good “get it back to normal” fix for everyday garage life.

Required Disclaimers

Affiliate Disclosure: This post includes affiliate links, and I may earn a commission if you purchase through them at no extra cost to you.
AI Image Disclaimer: No images are used in this post.
AI Content Disclaimer: This content is generated with AI assistance and is based on the product details provided by the user.
Electrical/Battery Disclaimer: This remote may rely on a power source depending on the model; follow the manufacturer’s instructions for installation and use.
Tool Safety Disclaimer: If you’re cloning codes or handling any included connectors, follow the included manual and safety guidance.
Child Safety Disclaimer: Keep remotes out of reach of children and operate garage doors only when it’s safe to do so.
Privacy/Surveillance Disclaimer: Garage door remotes control access to a physical location—use them responsibly and keep them secure.


Leave a Comment

Your email address will not be published. Required fields are marked *

Scroll to Top