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 MB Paul Your Own Question
MB Paul
MB Paul, Mercedes Technician
Category: Mercedes
Satisfied Customers: 3567
Experience:  Qualified Mercedes Benz Diagnostic Technician - 20+ years experience - Workshop Foreman for Mercedes
Type Your Mercedes Question Here...
MB Paul is online now
A new question is answered every 9 seconds

My name is jr, i put my daignotic tool to repair my cls 550

Customer Question

Hi my name is ***** ***** put my daignotic tool to repair my cls 550 and it took out in cars information and is not responding - no communication from diagnostic tool. any idea what i can do
Submitted: 1 year ago.
Category: Mercedes
Customer: replied 1 year ago.
Posted by JustAnswer at customer's request) Hello. I would like to request the following Expert Service(s) from you: Live Phone Call. Let me know if you need more information, or send me the service offer(s) so we can proceed.
Customer: replied 1 year ago.
what to do when diagnostic tool not communicating with mercedes cls550 - i attached a diagnostic tool to my cls 550 and it wiped out all the computers info and now its not responding to the tool, what can i do to reset the cars computer?
Expert:  Hipo64 replied 1 year ago.

Hi Jr and Welcome to Just Answer! First We need to know what diagnostic tool you are using, second what do you mean when saying wiped out all the computers?

Regards Pavlin!

Customer: replied 1 year ago.
I was using the star diagnostic machine let lap top
Expert:  Hipo64 replied 1 year ago.

What do you mean as you say you wiped the car?

Expert:  Hipo64 replied 1 year ago.

Were you using development mode and have changed some settings in the vehicle?

Customer: replied 1 year ago.
Cooling fan run high abs light on srs lights on power steering hard but car start up but can't communicate with computer
Expert:  Hipo64 replied 1 year ago.

You did not answer my question, but if you don't want to is OK too. Sounds like you have issues with gateway module or wiring, do you have a oscilloscope?

Customer: replied 1 year ago.
No I don't have oscilloscope
Customer: replied 1 year ago.
What the location of the gateway module?????
Expert:  Hipo64 replied 1 year ago.

It is located in front left foot well area. To the left of brake pedal behind left kick panel

Expert:  Hipo64 replied 1 year ago.

Small black box,

Customer: replied 1 year ago.
Can a used cluster be reprogrammed to this vehicle?????????
Expert:  Hipo64 replied 1 year ago.

Yes it can, you need to change vin and transfer variant coding from old one

Customer: replied 1 year ago.
Ebv,abs,esp on dash on can't get them out????
Customer: replied 1 year ago.
Same car CLS(###) ###-####�😩😩
Expert:  Hipo64 replied 1 year ago.

Do you have communication with ESP, what are the code numbers?