Display messagesPossible causes/consequences and M Solutions?The engine fan is defective.XAt coolant temperatures under 248 ‡ (120 †), drive to the next
qualified specialist workshop.XAvoid subjecting the engine to heavy loads, e.g. driving in
mountainous terrain, and stop-and-go traffic.#The battery is not being charged.
Possible causes are:
R a defective alternator
R a torn poly-V-belt
R a malfunction in the electronicsXPull over and stop the vehicle safely and switch off the engine,
paying attention to road and traffic conditions.XOpen the hood.XCheck whether the poly-V-belt is torn.
If the poly-V-belt is torn:
! Do not continue driving. The engine could otherwise overheat.
XConsult a qualified specialist workshop.
If the poly-V-belt is OK:
XVisit a qualified specialist workshop.The battery voltage is too low.XSwitch off electrical consumers that are not required.XHave the battery and alternator checked at a qualified specialist
workshop.The battery has been charged or the vehicle has been jump-
started.XHave the battery and alternator checked at a qualified specialist
workshop.4
Check oil level at
next gas stationThe engine oil level has dropped to a critical level.XCheck the oil level ( Y page 215).XIf necessary, add engine oil ( Y page 216).XHave the engine checked for leaks if you need to add engine oil
more often than usual.You have added too much engine oil. There is a risk of damaging
the engine or catalytic converter.XSiphon off excess engine oil until it is at the specified level.
Observe the legal requirements.176Display messagesOn-board computer and displays
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