OEM Mercedes-Benz Keyless Remote Fob Uncut Key IYZ-MS5 Gloss Black
Product Description
Genuine Mercedes-Benz OEM passive-entry smart key remote finished in gloss black. The key is described as being in excellent, like-new cosmetic condition and includes a new battery and new uncut emergency key insert.
This remote carries FCC ID IYZ-MS5. It was previously programmed and is currently locked, so it will require specialized unlocking and programming by a qualified automotive locksmith. It cannot be self-programmed, and the seller specifies locksmith service only—not dealership programming.
Product Details
- Condition: New other / like-new cosmetic condition
- Brand: Mercedes-Benz
- Type: OEM passive-entry smart key remote
- FCC ID: IYZ-MS5
- Model: MS5
- Frequency: 433.47–434.37 MHz
- Additional technology: Ultra-wideband passive-entry capability
- Finish: Gloss black
- Feature listed: Trunk release
- Emergency key: New, uncut insert included
- Battery: New battery installed
- Programming status: Previously programmed and locked
- Programming method: Specialized automotive locksmith only
- Quantity: One remote
The FCC equipment record identifies MS5 as a passive-entry vehicle key manufactured by Marquardt and operating in the 433 MHz range. FCC equipment record
Potential Compatibility
The seller’s compatibility catalog contains numerous configurations, including examples from these newer Mercedes-Benz model families:
- 2022–2025 C-Class, including C 300 and Mercedes-AMG C 43
- 2024–2025 CLA-Class, including CLA 250 and Mercedes-AMG CLA 35
- 2024–2025 E-Class, including E 350 and E 450
- 2022–2025 EQB
- 2023–2025 EQE sedan and EQE SUV
- 2022–2025 EQS sedan and EQS SUV
- 2023–2025 GLC-Class
- 2021–2023 S-Class
- Select additional newer Mercedes-Benz and Mercedes-AMG vehicles equipped with a matching IYZ-MS5 remote
Examples specifically shown in the seller’s 2025 catalog include:
- C 300
- Mercedes-AMG C 43
- CLA 250
- Mercedes-AMG CLA 35
- E 350
- E 450 sedan and wagon
- EQB 250+, EQB 300 and EQB 350
- EQE 350, EQE 350+, EQE 500 and Mercedes-AMG EQE SUV
Published technical information also associates four-button IYZ-MS5 remotes with newer C-Class, S-Class, GLC, EQE and EQS applications. Exact compatibility depends on the OEM part number, frequency, button layout, regional specification and vehicle equipment—not FCC ID alone. IYZ-MS5 application reference
Package Includes
- 1 × OEM Mercedes-Benz IYZ-MS5 smart key remote
- 1 × new uncut emergency key insert
- 1 × newly installed battery
Unlocking, programming and blade-cutting services are not included.
Critical Compatibility and Programming Notice
This is a previously programmed, locked remote. Do not assume that a dealership can reuse it; the seller expressly directs buyers to an automotive locksmith. Some specialist locksmiths may be able to unlock or reset an MS5 remote, but capability and successful programming are not guaranteed.
Before purchasing, provide a Mercedes-Benz key specialist with:
- Complete VIN
- Original remote’s FCC ID
- Original remote’s full OEM part number
- Frequency and market specification
- Button configuration
- Photographs of this remote
- Confirmation that it is used and locked
Your original key should be identical to the pictured unit. Purchase for operational use only after a qualified locksmith confirms that this exact remote can be unlocked and programmed to your vehicle.
