How to choose a Mercedes FBS3 KeylessGo Smart Key

Let’s have a question first: Why Mercedes Benz FBS3 KeylessGo Smart Key by Xhorse or by CG Company is the best one in the market, what can them support and other similar ones can’t support? The answer is please read this comparison table below.

Item No.	sa1880-c	sa1880-b1	sa1880	sa1880-b (out of stock)
Image
Manufacturer	XHORSE	By CGDI	Made in China	Made in China
Full Smart	Full Smart	Full Smart	Full Smart	Full Smart
Frequency	433Mhz/315Mhz	315Mhz	433Mhz	315Mhz
Allow set the frequency between 315MHz and 433MHz	Support. The method: 1. in vvdi mb software (update software to latest version)…look at the image. 2. manually by soldering / desoldering the FRE resistor (marked red in picture Here )	Not support	Not support	Not support
Erasing times	No limited	No limited	3 times only	3 times only
How to erase the key	The key supports repeated erasing by infrared (vvdi mb)	1). Manual Reset a. First press the Trunk button b. Then press the LOCK button until the key indicator keeps turning on c. Wait for 1 second, Press the UNLOCK button until the key indicator flashes twice. d. Key has been erased successfully 2) Renew via CGDI MB	1. Welding usb cable on the key board 2. Connect the USB to the computer and open the renew software to erase.	1. Welding usb cable on the key board 2. Connect the USB to the computer and open the renew software to erase.
Compatible car models	W204, W207, W212, W164, W166, W221 BGA Key(the FBS3 models after 2010)	W221-S series, W216-S series, W164-ML series, W251-R series, W166-ML series, W164-GL series, 207 C Series, 204 C Series, 212 E series (the FBS3 models after 2009)	The FBS3 models after 2009 BGA (W221 W216 W164 W251)	The FBS3 models after 2009 BGA (W221 W216 W164 W251)
Compatible Device	VVDI MB,CGDI MB	multi Benz key programmers: VVDI MB, CGDI MB, AVDI etc.	VVDI MB,CGDI MB	VVDI MB,CGDI MB
Compatible key type	BGA -76/78	BGA -76/78	BGA	BGA
Update	Yes, can update.	Yes, can update.	/	/