128 On-board computer event window Rear axle oil grade Under Rear axle Oil grade , set the trans- mission oil grade used according to the Sheet Numbers of the Mercedes-Benz Specifica- tions for Service Products. Depending on the priority of the message, the on-board computer displays the event win- dow in different colours: R grey event window for a malfunction/ notification of low priority Observe the instructions in the event win- dow. You can drive on. Setting the service products X Use the u or t button to scroll to д settings. R yellow event window for a malfunction/ notification of medium priority Observe the instructions in the event win- dow.
If it is possible to continue the journey despite the malfunction, drive on carefully. Have the affected system checked at a qualified specialist workshop as soon as possible. X Use the r or s button to scroll to the Service products menu window. X Press the 9 button. The input window displays the assembly and the service product characteristic, for example EngineOil grade , as well as the currently set value, e.g. 228.51 . On-board computer and displays R red event window for a malfunction of high priority Observe the instructions in the event win- dow. Stop the vehicle as soon as possible while paying attention to the traffic condi- tions and contact a qualified specialist workshop.
If the qualified specialist work- shop determines it is possible to continue driving, adapt your driving style accord- ingly. Drive with even greater care. Keep in mind that continuing the journey could damage the vehicle and contravene legal regulations. Immediately drive to a quali- fied specialist workshop and have the affected system checked and repaired. If you can confirm the event window using the 9 button, the event window is hidden. You can call up the event window again at a later point ( Y page 125).
If, in addition to the event window, an ( Y page 144) indicator lamp has lit up in the instrument cluster or in the status area of the on-board computer, the indicator lamp remains on. X To select an assembly: using the u or t button, select an assembly with a corresponding service product character- istic, for example: R Engine Fuel grade R Engine Oil viscosity R Engine Oil grade R Transmission Oil grade X To set the service product value: using the r or s button, select a service product value. R Rear axle Oil grade X Set the service product value of the service product added using the u or t but- ton.
On-board computer event window Notes on events Messages include operating information, error messages or warnings that the on-board computer automatically displays in an event window. In addition to the event window, an indicator lamp may light up in the instrument cluster or in the status area of the on-board computer.