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Service bulletins for the 2015 Mercedes-Benz B-Class

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

33 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

Only bulletins with component: Transmission and driveline are shown. Show all

Bulletins, newest first
GI3330P0614522021-12-20. Service bulletin. POWER TRAIN:AXLE ASSEMBLY; EQUIPMENT. Clacking noises from the front axle area.
LI54.15-P-0573732019-11-12. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN. The vehicle cannot be started The vehicle may start by itself shortly after the startup attempt with a delay, as the relay can be late closing. and/or The gear selection is displayed, but no gear is engaged. Gear selection is not possible. and/or Rear window wiper inoperative. and/or Various fault codes concerning disrupted communication paths are stored and/or the corresponding control units are not displayed in the quick test. Affected control units include the transmission control unit, electronic ignition lock, driver SAM, engine control unit, Lane Keeping Assist, Distronic.
LI27.60-P-0583172019-11-12. Service bulletin. POWER TRAIN. 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.
LI27.60-P-0582832019-11-04. Service bulletin. POWER TRAIN. Reverse gear cannot be engaged. The following fault code is stored in the dual clutch transmission (DKG) control unit: FC 074600 -> Pressure regulating valve 1 does not close or FC 077600 -> Pressure regulating valve 1 does not close In the extended fault freeze frame data it can be seen that both clutches are pressurized when the fault code 074600 or 077600 occurs - see Figure 1 in attachment.
LI27 50-P-0644402018-12-17. Service bulletin. POWER TRAIN. 7G-DCT: Scratching noise when changing gear from D to R when transmission cold.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.