Mercedes-Benz B242 2012–2017 — technical service bulletin
Bulletin LI27.60-P-058317 · NHTSA communication 10167497 · issued Mar 4, 2014
Technical service bulletin
communication type
Power Train
component
2012–2017
model years
11
vehicle entries
Official summary
Transmission intermittently fails to shift, vehicle jolts in higher gears. The dual clutch transmission (DKG) control unit contains the stored FC 92177 or FC 92100 ("The shift valve of the internal shaft has a malfunction. The commanded position cannot be reached"). In the extended fault freeze frame data it can be seen that this fault was set in 7th gear - see Figure 1 in attachment.
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.