Sorry, the NHTSA has not posted this TSB document yet.
You can still get the detailed info from Mercedes-Benz for this TSB. Call your local Mercedes-Benz dealer's service department & ask for a copy of TSB# 16M012.
SOME VEHICLES MAY EXHIBIT 1-2 SECOND DELAY UPON RELEASE OF THE BRAKE PEDAL AND / OR APPLICATION OF THE ACCELERATOR PEDAL UNTIL THE ACTUATOR MOVES TO THE NEW ACCELERATOR PEDAL INPUT POSITION. THIS IS A DESIGN CHARACTERISTIC INCORPORATED IN THE ENGINE MANAGEMENT SYSTEM AS A SAFETY FEATURE. THIS IS NOT SUBJECT TO MODIFICATION IN THE FIELD. *TT