How JustAnswer Works:
  • Ask an Expert
    Experts are full of valuable knowledge and are ready to help with any question. Credentials confirmed by a Fortune 500 verification firm.
  • Get a Professional Answer
    Via email, text message, or notification as you wait on our site.
    Ask follow up questions if you need to.
  • 100% Satisfaction Guarantee
    Rate the answer you receive.
Ask Eric Your Own Question
Eric, Automotive Repair Shop Manager
Category: Mercedes
Satisfied Customers: 32049
Experience:  20+ yrs. experience as repair shop manager and technician.
Type Your Mercedes Question Here...
Eric is online now
A new question is answered every 9 seconds

Check engine light on 2wd

Customer Question

check engine light on 2wd
Submitted: 1 year ago.
Category: Mercedes
Expert:  Eric replied 1 year ago.


Have you had the ECM(engine control module) scanned for fault codes yet, and if so, what are the code numbers?

Customer: replied 1 year ago.
Don't have tester
Customer: replied 1 year ago.
Change that havecodes 110 130 132 134 135 136 146 147
Expert:  Eric replied 1 year ago.


110 - IAT sensor performance

130 - Right side upstream O2 sensor reading slow

135 - Right side upstream O2 sensor heater element performance

136 - Right side downstream O2 sensor performance

132, 134, 146 and 147 are not showing as legitimate codes for your vehicle