2009 Mercedes SL-Class Owner's Manual - Page 285
2009 Mercedes SL-Class Manual
Page 285 highlights
Practical hints Vehicle status messages in the multifunction display Display messages Possible cause/consequence The cooling fan for the coolant is malfunctioning. Possible solution X Ì Observe the coolant temperature gauge in the instrument cluster. If the coolant temperature is under 248‡ (120†), you may continue driving to an authorized Mercedes-Benz Center. Avoid placing heavy loads on the engine (e.g. by driving uphill) as well as stop-and-go traffic. Have the fan replaced as soon as possible. Stop immediately in a safe location or as soon as it is safe to do so and check the poly-V-belt. If it is broken: Do not continue to drive. Otherwise the engine will overheat due to an inoperative water pump which may result in damage to the engine. Contact an authorized Mercedes-Benz Center. If it is intact: Drive to the nearest authorized Mercedes-Benz Center immediately. Adjust driving to be consistent with reduced braking responsiveness. X X # The battery is no longer charging. Possible causes: Ralternator Rbroken Ra X X malfunctioning poly-V-belt malfunction in the electronic system X Do not forget that the brake system requires electrical energy and may be operating with restricted capability. Considerably greater brake pedal force is required and the stopping distance is increased. Z 283