Frequent faults of engine control units MSM on Mercedes-Benz brand

Mercedes-Benz MSM LMM problem not working

Frequent faults happen to the Mercedes-Benz petrol engine control units MSM.

 

Symptoms:

  • The vehicle does not accelerate as it should.
  • The engine can’t reach high RPM.
  • The engine misfires and sometimes shuts down.
  • The engine control unit does not work.
  • Communication with the engine control unit is not possible.

 

Diagnostic tester report:

  • P0100 Mass or Volume Air Flow Circuit (MAF)
  • P0170 Fuel Trim Malfunction
  • P0601 Unit faulty
  • P0605 Unit faulty

 

All those who have this problem, and want to repair it as soon as possible, can contact us on the number +386 41 652 952 or, by sending an e-mail to info@avtoelektronika.si, or through the contact form.

We offer 1 year warranty on the repair.

 

Vehicle list:

Model: Leto: Koda: Oznaka motorja: Engine Code:
A 140 1997–2004 168.031 M 166 E 14 166.94
A 140 (Automatik) 2000–2004 168.031 M 166 E 16 red. 166.960 red.
A 160 1997–2004 168.033 M 166 E 16 166.96

 

ECU Catalogue Numbers:

Mercedes-Benz VDO
A0235450232 A 023 545 02 32 A1661401800 A 166 140 18 00 412250004001 412.250/004/001
A0235450332 A 023 545 03 32 A1661400400 A 166 140 04 00 412250004002 412.250/004/002
A0255453032 A 025 545 30 32 A1661401500 A 166 140 15 00 412250005001 412.250/005/001
A0255453032 A 025 545 30 32 A1661401600 A 166 140 16 00 412250005001 412.250/005/001
A0255454132 A 025 545 41 32 A1661401100 A 166 140 11 00 412250002002 412.250/002/002
A0255454132 A 025 545 41 32 A1661401200 A 166 140 12 00 412250002002 412.250/002/002
A0255454132 A 025 545 41 32 412250002002 412.250/002/002
A0265450532 A 026 545 05 32 A1661402000 A16 614 02 000 412250002003 412.250/002/003
A0265450532 A 026 545 05 32 A1661402100 A 166 140 21 00 412250002003 412.250/002/003
A0265450732 A 026 545 07 32 A1661402200 A 166 140 22 00 412250002004 412.250/002/004
A0265450732 A 026 545 07 32 A1661402300 A 166 140 23 00 412250002004 412.250/002/004
A0275457432 A 027 545 74 32 A1661402400 A 166 140 24 00 412250002005 412.250/002/005
A0275457432 A 027 545 74 32 A1661402500 A 166 140 25 00 412250002005 412.250/002/005
A0275457532 A 027 545 75 32 A1661402600 A 166 140 26 00 412250002006 412.250/002/006
A0275457532 A 027 545 75 32 A1661402700 A 166 140 27 00 412250002006 412.250/002/006
A0285453832 A 028 545 38 32 A1661402900 A 166 140 29 00 412250005004 412.250/005/004
A0285453832 A 028 545 38 32 A1661403000 A 166 140 30 00 412250005004 412.250/005/004
A0295450132 A 029 545 01 32 A1661403900 A 166 140 39 00 412250005006 412.250/005/006
A0295453632 A 029 545 36 32 A1661404000 A 166 140 40 00 412250005007 412.250/005/007
A0295453632 A 029 545 36 32 A1661404100 A 166 140 41 00 412250005007 412.250/005/007
A0295453732 A 029 545 37 32 A1661404200 A 166 140 42 00 412250005008 412.250/005/008
A1661500179 A 166 150 01 79 A1661404600 A 166 140 46 00 412250004003 412.250/004/003
A1661500179 A 166 150 01 79 A1661404700 A 166 140 47 00 412250004003 412.250/004/003
A1661500179 A 166 150 01 79 412250004003 412.250/004/003
A1661500279 A 166 150 02 79 A1661404800 A16 614 04 800 412250004004 412.250/004/004
A1661500379 A 166 150 03 79 A1661404300 A 166 140 43 00 412250005009 412.250/005/009
A1661500379 A 166 150 03 79 A1661404400 A 166 140 44 00 412250005009 412.250/005/009
A1661500379 A 166 150 03 79 412250005009 412.250/005/009
A1661500479 A 166 150 04 79 A1661404500 A16 614 04 500 412250005010 412.250/005/010
A1661500479 A 166 150 04 79 412250005010 412.250/005/010
A1661500879 A 166 150 08 79 412250004005 412.250/004/005
A1661500979 A 166 150 09 79 412250004006 412.250/004/006
A0235450232 A 023 545 02 32 A1661401700 A 166 14 01700 412250004001 412.250/004/001
A0235450232 A 023 545 02 32 A1661401800 A 166 140 18 00 412250004001 412.250/004/001
A0235450332 A 023 545 03 32 A1661400400 A 166 140 04 00 412250004002 412.250/004/002
A0255453032 A 025 545 30 32 A1661401500 A 166 140 15 00 412250005001 412.250/005/001
A0255453032 A 025 545 30 32 A1661401600 A 166 140 16 00 412250005001 412.250/005/001
A0255454132 A 025 545 41 32 A1661401100 A 166 140 11 00 412250002002 412.250/002/002
A0255454132 A 025 545 41 32 A1661401200 A 166 140 12 00 412250002002 412.250/002/002
A0255454132 A 025 545 41 32 412250002002 412.250/002/002
A0265450532 A 026 545 05 32 A1661402000 A16 614 02 000 412250002003 412.250/002/003
A0265450532 A 026 545 05 32 A1661402100 A 166 140 21 00 412250002003 412.250/002/003
A0265450732 A 026 545 07 32 A1661402200 A 166 140 22 00 412250002004 412.250/002/004
A0265450732 A 026 545 07 32 A1661402300 A 166 140 23 00 412250002004 412.250/002/004
A0275457432 A 027 545 74 32 A1661402400 A 166 140 24 00 412250002005 412.250/002/005
A0275457432 A 027 545 74 32 A1661402500 A 166 140 25 00 412250002005 412.250/002/005
A0275457532 A 027 545 75 32 A1661402600 A 166 140 26 00 412250002006 412.250/002/006
A0275457532 A 027 545 75 32 A1661402700 A 166 140 27 00 412250002006 412.250/002/006
A0285453832 A 028 545 38 32 A1661402900 A 166 140 29 00 412250005004 412.250/005/004
A0285453832 A 028 545 38 32 A1661403000 A 166 140 30 00 412250005004 412.250/005/004
A0295450132 A 029 545 01 32 A1661403900 A 166 140 39 00 412250005006 412.250/005/006
A0295453632 A 029 545 36 32 A1661404000 A 166 140 40 00 412250005007 412.250/005/007
A0295453632 A 029 545 36 32 A1661404100 A 166 140 41 00 412250005007 412.250/005/007
A0295453732 A 029 545 37 32 A1661404200 A 166 140 42 00 412250005008 412.250/005/008
A1661500179 A 166 150 01 79 A1661404600 A 166 140 46 00 412250004003 412.250/004/003
A1661500179 A 166 150 01 79 A1661404700 A 166 140 47 00 412250004003 412.250/004/003
A1661500179 A 166 150 01 79 412250004003 412.250/004/003
A1661500279 A 166 150 02 79 A1661404800 A16 614 04 800 412250004004 412.250/004/004
A1661500379 A 166 150 03 79 A1661404300 A 166 140 43 00 412250005009 412.250/005/009
A1661500379 A 166 150 03 79 A1661404400 A 166 140 44 00 412250005009 412.250/005/009
A1661500379 A 166 150 03 79 412250005009 412.250/005/009
A1661500479 A 166 150 04 79 A1661404500 A16 614 04 500 412250005010 412.250/005/010
A1661500479 A 166 150 04 79 412250005010 412.250/005/010
A1661500879 A 166 150 08 79 412250004005 412.250/004/005
A1661500979 A 166 150 09 79 412250004006 412.250/004/006
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