Problem	Possible causes/consequences and Solutions
The indicator lamp illuminates and remains illuminated. The person on the front-passenger seat: - has the weight of a typical adult - has been determined by the system not to be a child.	The OCS is malfunctioning. - Have the OCS checked as soon as possible at an authorized Mercedes-Benz Center. - Observe the additional display messages in the multifunction display.

WARNING
If the indicator lamp illuminates and remains illuminated when the weight of a typical adult or someone larger than a small individual has been detected on the passenger seat, do not allow any occupant to use the passenger seat until the system has been repaired.

Problem

Possible causes/consequences and Solutions

The indicator lamp does not illuminate and/or does not remain illuminated. The front-passenger seat is: - unoccupied - occupied with a weight up to or less than a typical 12-month-old child in a standard child restraint system

The OCS is malfunctioning. - Make sure there is nothing between the seat cushion and the child seat. - Check the installation of the child restraint system. - Make sure that no objects are applying additional weight onto the seat. - If the indicator lamp does not illuminate, have the OCS checked as soon as possible at an authorized Mercedes-Benz Center. Do not transport a child on the front-passenger seat as long as the OCS is not functioning. - Observe the additional display messages in the multifunction display.

WARNING
If the indicator lamp does not illuminate or remains out with the weight of a typical 12-month-old child in a standard child restraint or less, or is unoccupied, on the front-passenger seat, do not transport a child on the front-passenger seat until the system has been repaired.