Mercedes Benz E 550 4MATIC Sedan Technical Service Bulletin # S-80_57-56 Date: 100908 Audio System - Radio Interruption Information Date: September 8, 2010 Order No.: S-B-80.57/56 Group: 80 SUBJECT: MY-All, Models 129, 163, 164, 170, 171, 199, 202, 203, 204, 207, 208, 209, 210, 211, 212, 215, 216, 219, 220, 221, 230, 251, 463 Interruptions in Radio-Operated Vehicle Systems In the frequency range of the transmitter key or KEYLESS-GO, many other radio-operated Systems can also be transmitting and with a stronger signal. Systems such as, radio frequency headphones, radio thermometer, garage door opener, alarm systems, etc. can prevent or interrupt unlocking, locking, and engine starting via a KEYLESS-GO. 2010 Mercedes Benz E 550 4MATIC Sedan (212.090) V8-5.5L (273.970) Page 388 Fortunately, in parallel with radio remote control, most MB vehicles also have infrared remote control, so that even with radio disturbance, the transmitter key will unlock and lock ...
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