2010 Mercedes GL-Class Owner's Manual - Page 315

Vehicle status messages in the multifunction display Display messages Possible causes/consequences and M Solutions 313 b The left or right rear turn signal lamp is malfunctioning. A Turn substitute bulb is being used. Signal Rear Left X Replace the bulb as soon as possible (Y page 328). or Turn Signal Rear Right The left or right front turn signal lamp is malfunctioning. A Turn substitute bulb is being used. Signal Front Left X Replace the bulb as soon as possible (Y page 328). or Turn Signal Front Right Turn Signal Left Mirror or Turn Signal Right Mirror The turn signal in the left or right exterior rear view mirror is malfunctioning. This message will only appear if all LEDs have stopped working. X Contact an authorized Mercedes-Benz Center as soon as possible. b b Tires Display messages Possible causes/consequences and M Solutions The tire inflation pressure is too low in at least one tire. or The tire inflation pressure of the individual tires differ from each other significantly. X Check and correct tire inflation pressure as required (Y page 237). At least one tire is deflating. X Carefully bring the vehicle to a halt, avoiding abrupt steering and braking maneuvers. X If necessary, change the wheel (Y page 336). h Tire pressure(s ) Please Correct h Tire Pressure Caution: Tire Defect Z Practical hints