All Bulletins » Mercedes-benz » M166 » 2012

Technical Service Bulletins of the 2012 Mercedes-benz M166

There have been 64 technical service bulletins issued for the 2012 Mercedes-benz M166.

1 2012 Mercedes-benz M166 power train TSB (Bulletin LI27.00-P-068206)

Bulletin Date:	Jun. 6, 2018
Component:	Power train.
Bulletin Summary:	Initial startup not possible after replacement of transmission 725. 0 or of electrohydraulic controller unit
Vehicles covered in this TSB:	2016 Mercedes Benz C205, 2016 Mercedes Benz S222, 2018 Mercedes Benz S222, 2016 Mercedes-benz E213, 2017 Mercedes-benz E213, 2018 Mercedes-benz E213, 2010 Mercedes-benz M166, 2011 Mercedes-benz M166, 2012 Mercedes-benz M166, 2013 Mercedes-benz M166, 2014 Mercedes-benz M166.

2 2012 Mercedes-benz M166 front suspension macpherson strut TSB (Bulletin P-SC-2018020006)

Bulletin Date:	Mar. 23, 2018
Component:	Front suspension macpherson strut.
Bulletin Summary:	Check right front air suspension strut, replace if necessary
Vehicles covered in this TSB:	2010 Mercedes-benz M166, 2011 Mercedes-benz M166, 2012 Mercedes-benz M166, 2013 Mercedes-benz M166, 2014 Mercedes-benz M166.

3 2012 Mercedes-benz M166 digital instrument panel TSB (Bulletin LI32 34-P-056198)

Bulletin Date:	Aug. 25, 2017
Component:	Digital instrument panel.
Bulletin Summary:	Fault message "airmatic" or "active curve system" in instrument cluster
Vehicles covered in this TSB:	2011 Mercedes Benz GL166, 2012 Mercedes Benz GL166, 2013 Mercedes Benz GL166, 2014 Mercedes Benz GL166, 2010 Mercedes-benz M166, 2011 Mercedes-benz M166, 2012 Mercedes-benz M166, 2013 Mercedes-benz M166, 2014 Mercedes-benz M166.

4 2012 Mercedes-benz M166 steering column TSB (Bulletin LI46.15-P-063353)

Bulletin Date:	Jan. 30, 2017
Component:	Steering column.
Bulletin Summary:	Height adjustment of electric steering column inoperative
Vehicles covered in this TSB:	2011 Mercedes Benz GL166, 2012 Mercedes Benz GL166, 2013 Mercedes Benz GL166, 2014 Mercedes Benz GL166, 2010 Mercedes-benz M166, 2011 Mercedes-benz M166, 2012 Mercedes-benz M166, 2013 Mercedes-benz M166, 2014 Mercedes-benz M166.

5 2012 Mercedes-benz M166 wheels TSB (Bulletin LI33.20-P-054920)

Bulletin Date:	Jan. 27, 2017
Component:	Wheels.
Bulletin Summary:	Creaking/crackling noises from area of front axle wheel bearing
Vehicles covered in this TSB:	2016 Mercedes Benz S217, 2017 Mercedes Benz S217, 2016 Mercedes Benz S222, 2011 Mercedes Benz SL231, 2012 Mercedes Benz SL231, 2013 Mercedes Benz SL231, 2014 Mercedes Benz SL231, 2016 Mercedes-benz Gle292 Coupe, 2010 Mercedes-benz M166, 2011 Mercedes-benz M166, 2012 Mercedes-benz M166, 2013 Mercedes-benz M166, 2014 Mercedes-benz M166, 2016 Mercedes-benz SL231, 2017 Mercedes-benz SL231.

6 2012 Mercedes-benz M166 seats TSB (Bulletin LI91.25-P-058219)

Bulletin Date:	Jan. 10, 2017
Component:	Seats.
Bulletin Summary:	Front active multicontour seat/ rear multicontour seats/ massage/ pump inoperative and no communication possible via diagnosis
Vehicles covered in this TSB:	2016 Mercedes Benz S222, 2010 Mercedes-benz M166, 2011 Mercedes-benz M166, 2012 Mercedes-benz M166, 2013 Mercedes-benz M166, 2014 Mercedes-benz M166.

7 2012 Mercedes-benz M166 equipment:air conditioner TSB (Bulletin LI83.30-P-059119)

Bulletin Date:	Jun. 26, 2015
Component:	Equipment:air conditioner.
Bulletin Summary:	Odor from the air conditioning
Vehicles covered in this TSB:	2011 Mercedes Benz GL166, 2012 Mercedes Benz GL166, 2013 Mercedes Benz GL166, 2014 Mercedes Benz GL166, 2010 Mercedes-benz M166, 2011 Mercedes-benz M166, 2012 Mercedes-benz M166, 2013 Mercedes-benz M166, 2014 Mercedes-benz M166.

8 2012 Mercedes-benz M166 visibility TSB (Bulletin LI67.30-P-052837)

Bulletin Date:	Jun. 26, 2015
Component:	Visibility.
Bulletin Summary:	Side windows may make noises when closing and opening, or reverse direction when closing.
Vehicles covered in this TSB:	2011 Mercedes Benz GL166, 2012 Mercedes Benz GL166, 2013 Mercedes Benz GL166, 2014 Mercedes Benz GL166, 2010 Mercedes-benz M166, 2011 Mercedes-benz M166, 2012 Mercedes-benz M166, 2013 Mercedes-benz M166, 2014 Mercedes-benz M166.

9 2012 Mercedes-benz M166 electrical system TSB (Bulletin LI67.30-P-052837)

Bulletin Date:	Jun. 26, 2015
Component:	Electrical system.
Bulletin Summary:	Side windows may make noises when closing and opening, or reverse direction when closing.
Vehicles covered in this TSB:	2011 Mercedes Benz GL166, 2012 Mercedes Benz GL166, 2013 Mercedes Benz GL166, 2014 Mercedes Benz GL166, 2010 Mercedes-benz M166, 2011 Mercedes-benz M166, 2012 Mercedes-benz M166, 2013 Mercedes-benz M166, 2014 Mercedes-benz M166.

10 2012 Mercedes-benz M166 software TSB (Bulletin LI82.85-P-061613)

Bulletin Date:	Jun. 24, 2015
Component:	Software.
Bulletin Summary:	Facebook app cannot be opened
Vehicles covered in this TSB:	2017 Mercedes Benz Amg Gt, 2018 Mercedes Benz Amg Gt, 2014 Mercedes Benz CLS218, 2011 Mercedes Benz GL166, 2012 Mercedes Benz GL166, 2013 Mercedes Benz GL166, 2014 Mercedes Benz GL166, 2011 Mercedes Benz GLK204, 2012 Mercedes Benz GLK204, 2013 Mercedes Benz GLK204, 2014 Mercedes Benz GLK204, 2016 Mercedes Benz S222, 2011 Mercedes Benz SL231, 2012 Mercedes Benz SL231, 2013 Mercedes Benz SL231, 2014 Mercedes Benz SL231, 2011 Mercedes Benz SLS, 2012 Mercedes Benz SLS, 2013 Mercedes Benz SLS, 2014 Mercedes Benz SLS, 2011 Mercedes-benz A176, 2012 Mercedes-benz A176, 2013 Mercedes-benz A176, 2011 Mercedes-benz B242, 2012 Mercedes-benz B242, 2013 Mercedes-benz B242, 2011 Mercedes-benz B246, 2012 Mercedes-benz B246, 2013 Mercedes-benz B246, 2011 Mercedes-benz C204, 2012 Mercedes-benz C204, 2013 Mercedes-benz C204, 2014 Mercedes-benz C204, 2011 Mercedes-benz CLA117, 2012 Mercedes-benz CLA117, 2013 Mercedes-benz CLA117, 2011 Mercedes-benz CLS218, 2012 Mercedes-benz CLS218, 2013 Mercedes-benz CLS218, 2011 Mercedes-benz E207, 2012 Mercedes-benz E207, 2013 Mercedes-benz E207, 2014 Mercedes-benz E207, 2015 Mercedes-benz E207, 2016 Mercedes-benz E207, 2017 Mercedes-benz E207, 2011 Mercedes-benz E212, 2012 Mercedes-benz E212, 2013 Mercedes-benz E212, 2014 Mercedes-benz E212, 2015 Mercedes-benz GLA45, 2016 Mercedes-benz GLA45, 2017 Mercedes-benz GLA45, 2010 Mercedes-benz M166, 2011 Mercedes-benz M166, 2012 Mercedes-benz M166, 2013 Mercedes-benz M166, 2014 Mercedes-benz M166, 2016 Mercedes-benz SL231, 2017 Mercedes-benz SL231, 2011 Mercedes-benz SLK172, 2012 Mercedes-benz SLK172, 2013 Mercedes-benz SLK172, 2014 Mercedes-benz SLK172, 2015 Mercedes-benz SLK172, 2016 Mercedes-benz SLK172, 2017 Mercedes-benz SLK172.

11 2012 Mercedes-benz M166 power train TSB (Bulletin LI27.00-P-060968)

Bulletin Date:	Jun. 19, 2015
Component:	Power train.
Bulletin Summary:	Uncomfortable 1-2 and 3-2 shifts in model 166 (ml) with engine 276. 955
Vehicles covered in this TSB:	2010 Mercedes-benz M166, 2011 Mercedes-benz M166, 2012 Mercedes-benz M166, 2013 Mercedes-benz M166, 2014 Mercedes-benz M166.

12 2012 Mercedes-benz M166 electrical system TSB (Bulletin LI07.07-P-058244)

Bulletin Date:	Jun. 19, 2015
Component:	Electrical system.
Bulletin Summary:	Engine diagnosis warning lamp lights up. The fault code (fc) p0101fa or p0101fb or p0101fc is logged in the engine control unit.
Vehicles covered in this TSB:	2011 Mercedes Benz GLK204, 2012 Mercedes Benz GLK204, 2013 Mercedes Benz GLK204, 2014 Mercedes Benz GLK204, 2010 Mercedes-benz M166, 2011 Mercedes-benz M166, 2012 Mercedes-benz M166, 2013 Mercedes-benz M166, 2014 Mercedes-benz M166.

13 2012 Mercedes-benz M166 engine and engine cooling TSB (Bulletin LI05.10-P-049909)

Bulletin Date:	Jun. 9, 2015
Component:	Engine and engine cooling.
Bulletin Summary:	Engine noises after engine start
Vehicles covered in this TSB:	2001 Mercedes Benz C203, 2001 Mercedes Benz C320, 2002 Mercedes Benz C320, 2003 Mercedes Benz C320, 2004 Mercedes Benz C320, 2005 Mercedes Benz C320, 2006 Mercedes Benz C320, 2007 Mercedes Benz C320, 2009 Mercedes Benz C350, 2010 Mercedes Benz C350, 2011 Mercedes Benz C350, 2012 Mercedes Benz C350, 2013 Mercedes Benz C350, 2014 Mercedes Benz C350, 2005 Mercedes Benz CLK320, 2006 Mercedes Benz CLK320, 2007 Mercedes Benz CLK320, 2008 Mercedes Benz CLK320, 2009 Mercedes Benz CLK320, 2014 Mercedes Benz CLS218, 2011 Mercedes Benz G463, 2012 Mercedes Benz G463, 2013 Mercedes Benz G463, 2011 Mercedes Benz GL166, 2012 Mercedes Benz GL166, 2013 Mercedes Benz GL166, 2014 Mercedes Benz GL166, 2018 Mercedes Benz Glc350e, 2019 Mercedes Benz Glc350e, 2011 Mercedes Benz GLK204, 2012 Mercedes Benz GLK204, 2013 Mercedes Benz GLK204, 2014 Mercedes Benz GLK204, 2007 Mercedes Benz GLK350, 2008 Mercedes Benz GLK350, 2009 Mercedes Benz GLK350, 2010 Mercedes Benz GLK350, 2011 Mercedes Benz GLK350, 2012 Mercedes Benz GLK350, 2013 Mercedes Benz GLK350, 2014 Mercedes Benz GLK350, 2015 Mercedes Benz GLK350, 2007 Mercedes Benz GLX164, 2007 Mercedes Benz M164, 2007 Mercedes Benz R251, 2007 Mercedes Benz S221, 2016 Mercedes Benz S222, 2011 Mercedes-benz C204, 2012 Mercedes-benz C204, 2013 Mercedes-benz C204, 2014 Mercedes-benz C204, 2011 Mercedes-benz CLS218, 2012 Mercedes-benz CLS218, 2013 Mercedes-benz CLS218, 2011 Mercedes-benz E207, 2012 Mercedes-benz E207, 2013 Mercedes-benz E207, 2014 Mercedes-benz E207, 2015 Mercedes-benz E207, 2016 Mercedes-benz E207, 2017 Mercedes-benz E207, 2011 Mercedes-benz E212, 2012 Mercedes-benz E212, 2013 Mercedes-benz E212, 2014 Mercedes-benz E212, 2016 Mercedes-benz Gle292 Coupe, 2010 Mercedes-benz M166, 2011 Mercedes-benz M166, 2012 Mercedes-benz M166, 2013 Mercedes-benz M166, 2014 Mercedes-benz M166.

14 2012 Mercedes-benz M166 digital instrument panel TSB (Bulletin LI49.20-P-053539)

Bulletin Date:	Jun. 9, 2015
Component:	Digital instrument panel.
Bulletin Summary:	Engine diagnosis warning lamp lights up - "check adblue" or "no start in xxx km/miles" appears in instrument cluster - fault codes concerning adblue system stored in engine control unit
Vehicles covered in this TSB:	2011 Mercedes Benz G463, 2012 Mercedes Benz G463, 2013 Mercedes Benz G463, 2011 Mercedes Benz GL166, 2012 Mercedes Benz GL166, 2013 Mercedes Benz GL166, 2014 Mercedes Benz GL166, 2007 Mercedes Benz GLX164, 2007 Mercedes Benz M164, 2007 Mercedes Benz R251, 2007 Mercedes Benz S221, 2011 Mercedes-benz E212, 2012 Mercedes-benz E212, 2013 Mercedes-benz E212, 2014 Mercedes-benz E212, 2010 Mercedes-benz M166, 2011 Mercedes-benz M166, 2012 Mercedes-benz M166, 2013 Mercedes-benz M166, 2014 Mercedes-benz M166.

15 2012 Mercedes-benz M166 power train TSB (Bulletin LI27.00-P-060968)

Bulletin Date:	Jun. 9, 2015
Component:	Power train.
Bulletin Summary:	Uncomfortable 1-2 and 3-2 shifts in model 166 (ml) with engine 276. 955 without code 430 (off-road engineering package)
Vehicles covered in this TSB:	2010 Mercedes-benz M166, 2011 Mercedes-benz M166, 2012 Mercedes-benz M166, 2013 Mercedes-benz M166, 2014 Mercedes-benz M166.

16 2012 Mercedes-benz M166 electrical system TSB (Bulletin LI54.18-P-061568)

Bulletin Date:	Jun. 9, 2015
Component:	Electrical system.
Bulletin Summary:	Intermittently reduced power, faults including some referring to exhaust back pressure sensor logged
Vehicles covered in this TSB:	2016 Mercedes Benz S222, 2010 Mercedes-benz M166, 2011 Mercedes-benz M166, 2012 Mercedes-benz M166, 2013 Mercedes-benz M166, 2014 Mercedes-benz M166.

17 2012 Mercedes-benz M166 engine and engine cooling TSB (Bulletin LI54.18-P-061568)

Bulletin Date:	Jun. 9, 2015
Component:	Engine and engine cooling.
Bulletin Summary:	Intermittently reduced power, faults including some referring to exhaust back pressure sensor logged
Vehicles covered in this TSB:	2016 Mercedes Benz S222, 2010 Mercedes-benz M166, 2011 Mercedes-benz M166, 2012 Mercedes-benz M166, 2013 Mercedes-benz M166, 2014 Mercedes-benz M166.

18 2012 Mercedes-benz M166 power train TSB (Bulletin LI27.00-P-059110)

Bulletin Date:	Jun. 8, 2015
Component:	Power train.
Bulletin Summary:	Uncomfortable 1-2, 2-3 and/or 3-4 acceleration upshifts with cold transmission oil on model 166 with engine 642
Vehicles covered in this TSB:	2011 Mercedes Benz GL166, 2012 Mercedes Benz GL166, 2013 Mercedes Benz GL166, 2014 Mercedes Benz GL166, 2010 Mercedes-benz M166, 2011 Mercedes-benz M166, 2012 Mercedes-benz M166, 2013 Mercedes-benz M166, 2014 Mercedes-benz M166.

19 2012 Mercedes-benz M166 engine and engine cooling TSB (Bulletin LI27.00-P-059110)

Bulletin Date:	Jun. 3, 2015
Component:	Engine and engine cooling.
Bulletin Summary:	Uncomfortable 1-2, 2-3 and/or 3-4 acceleration upshifts with cold transmission oil on model 166 with engine 642
Vehicles covered in this TSB:	2010 Mercedes-benz M166, 2011 Mercedes-benz M166, 2012 Mercedes-benz M166, 2013 Mercedes-benz M166, 2014 Mercedes-benz M166.

20 2012 Mercedes-benz M166 diesel engine TSB (Bulletin LI49.20-P-056353)

Bulletin Date:	Jun. 1, 2015
Component:	Diesel engine.
Bulletin Summary:	Heating element of adblue tank has malfunction, fault code 20be1b and/or 20bd1b logged in bluetec control unit
Vehicles covered in this TSB:	2014 Mercedes Benz CLS218, 2011 Mercedes Benz G463, 2012 Mercedes Benz G463, 2013 Mercedes Benz G463, 2011 Mercedes Benz GLK204, 2012 Mercedes Benz GLK204, 2013 Mercedes Benz GLK204, 2014 Mercedes Benz GLK204, 2007 Mercedes Benz GLX164, 2007 Mercedes Benz R251, 2007 Mercedes Benz S221, 2011 Mercedes-benz CLS218, 2012 Mercedes-benz CLS218, 2013 Mercedes-benz CLS218, 2011 Mercedes-benz E212, 2012 Mercedes-benz E212, 2013 Mercedes-benz E212, 2014 Mercedes-benz E212, 2010 Mercedes-benz M166, 2011 Mercedes-benz M166, 2012 Mercedes-benz M166, 2013 Mercedes-benz M166, 2014 Mercedes-benz M166.

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