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Matt, Mechanical Engineer
Category: Mercedes
Satisfied Customers: 537
Experience:  BEng hons Mech engineering, in auto industry 22 years
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Mercedes A140 2002 - ESP/BAS, engine management, SRS, ABS

Customer Question

Mercedes A140 2002 has ESP/BAS, engine management, SRS and ABS warnings.

Fault memory results are below. I want to fix the bits necessary for MOT. What parts need replacing and what's the likely cost?

MSM 1.x
070300 CAN signal: brake light switch - not plausible
014102 Oxygen sensor heating 2 (behind CAT) - open circuit/earth short
050002 Vehicle speed - signal improbable
014103 Oxygen sensor heating 2 (behind CAT) - current error

ESP 1.14
C1200 Brake safety switch (redundancy) - plausible
C1112 Unknown fault
C1101 Front right wheel sped sensor - incorrect / no signal
C1504 init., steering wheel angle sensor - faulty

Airbag AB 7.7
1F seat-occupied sensor - hardware defective
25 child seat installation detector - signal improbable
1B child seat detector - faulty
Automatic A/C 1.1
Fault memory cannot be read

Submitted: 3 years ago.
Category: Mercedes
Expert:  Shantal-Mod replied 3 years ago.
I'm Shantal and I'm a moderator for this topic.
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Customer: replied 3 years ago.