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Marty, Mercedes Technician
Category: Mercedes
Satisfied Customers: 53903
Experience:  Bosch Certified Master Tech. Over 35 years experience.
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ABC code in a SL500 2004 .. just had the Oil changed and

Customer Question

ABC code in a SL500 2004 .. just had the Oil changed and this pops up
JA: Where exactly do you think the noise is coming from? And how long has this been going on?
Customer: no noise .. just code
JA: Are you hoping to fix this yourself? What have you tried so far?
Customer: i tried to clear it through the dash but no luck yet been 4 days
JA: Anything else you think the mechanic should know?
Customer: no car has been flawlees
Submitted: 11 months ago.
Category: Mercedes
Expert:  Marty replied 11 months ago.

Hi, my name is***** is the actual fault code that you are getting in the ABC system?

Expert:  Marty replied 11 months ago.

Hi, please reply back to this question. Do not open a new question to reply.

Is the car getting low at the front or rear suspension when the ABC warning comes on?

Customer: replied 11 months ago.
say drive carefully in red
restart it
the code says memory code has one malfunction
then goes red again
Expert:  Marty replied 11 months ago.

Ok, more than likely the ABC suspension pump has failed. If the car is still st normal height the ABC control unit is probably detecting low pressure from the pump. You need to get the car to a Mercedes specialist to have a diagnosis done with the Mercedes tester. The diagnosis will give him the specific fault codes that are causing the warning to come on. There are other possibilities such as low fluid level due to a leak in the system or a fault with one of the sensors but low system pressure is the most common issue if the ride height is normal.

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