Compatible with following models: 

Audio20, Audio50 APS,
Comand APS (nur NTG2)
A-W169, B-W245 C-W203 & CLK-W209 04/04~ M-W164, GL-X164, R-W251 with Audio20, Audio50APS,Comand APS 
W169 Mercedes A-Klasse
W245 Mercedes B-Klasse
W203 Mercedes C-Klasse
W209 Mercedes CLK-Klasse
X164 Mercedes GL-Klasse
W164 Mercedes M-Klasse
W251 Mercedes R-Klasse
W221 Mercedes S-Klasse
R230 Mercedes SL-Klasse
Mercedes CL-Klasse (2004-2006)



NOT compatible with the following radios/cars: 
E-Klasse (W211), CLS-Klasse (W219), SLK-Klasse (R171).

Bluetooth Version: 4.2
Bluetooth protocol: A2DPV1.2,AVRCPV1.4 HSP1.2, GAVDP1.2 IOP
Current: <25mA
Power: CLASS2 4dbm
Sensitivity: -80dBm<0.1%BER
Frequency: 2.4GHz-2.480GHz
Audio performance: SBC Decode
Audio SNR: >=75dB