Mercedes-Benz gearbox electronics on classes A and B

Mercedes Benz A B Automatic Transmission FCVT Temic

Frequent faults on Mercedes-Benz class A and B automatic gearbox electronics.

Symptoms:

  • In most cases, the faults show upon reaching the working temperature
  • Does not shift gears – stays in a determined gear
  • Shifts to Neutral position
  • The vehicle does not move
  • Enters the secure working program

 

Descriptions and error codes:

  • Y3/9b3 CVT primary rpm sensor
  • Y3/9b4 CVT secondary rpm sensor
  • Y3/9b5 CVT output rpm sensor
  • Y3/9n1 CVT control unit
  • Y3/9y1 CVT primary-control solenoid valve
  • Y3/9y2 CVT secondary-control solenoid valve
  • Y3/9y3 CVT clutch control solenoid valve
  • Y3/9y4 CVT control solenoid valve for torque converter lockup clutch

 

Models:

  • A150 (A-Klasse, 169) 2006-2009 engine code 266.920 gearbox code 722.8
  •  B150 (B-Klasse, 245) 2008 engine code 266.920 gearbox code 722.8
  • A160 CDI (A-Klasse, 169) 2008-2011 engine code 640.942 gearbox code 722.8
  • A170 (A-Klasse, 169) 2005-2010 engine code 266.940 gearbox code 722.7, 722.8
  • A170 CDI (A-Klasse, 169) 2009 engine code 640.941
  • B170 (B-Klasse, 245) 2006-2009 engine code 266.940 gearbox code 722.8
  • A180 CDI (A-Klasse, 169) 2005-2008 engine code 640.940 gearbox code 722.8
  • B180 CDI (B-Klasse, 245) 2006-2011 engine code 640.940, 646.940 gearbox code 722.8
  • A200 CDI (A-Klasse, 169) 2005-2009 engine code 640.941 gearbox code 722.8
  • A200 Turbo (A-Klasse, 169) 2006 engine code 266.980 gearbox code 722.8
  • A200 (A-Klasse, 169) 2005-2008 engine code 266.960 gearbox code 722.8
  • B200 CDI (B-Klasse, 245) 2005-2010 engine code 640.941 gearbox code 722.8
  • B200 Turbo (B-Klasse, 245) 2006 engine code 266.980
  • B200 (B-Klasse, 245) 2005-2008 engine code 266.960 gearbox code 722.8

 

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.

 

Catalogue Numbers:

Mercedes:
A 169 370 04 06 A1693700406
A 169 370 05 06 A1693700506
A 169 370 06 06 A1693700606
A 169 370 07 06 A1693700706
A 169 370 08 06 A1693700806
A 169 370 10 06 A1693701006
A 169 370 11 06 A1693701106
A 169 545 10 32 A1695451032
А 169 545 10 62 А1695451062
A 003 444 24 10 A0034442410
А 003 446 24 10 А0034462410
Temic:
00107205A7
00107205A8
00107205A9
00107205B0
00107205B1
00107205B2
00403159A5
00403159A6
00403159A7
00403159A8
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