2005 Mercedes-Benz ML350 Q&A

2005 Mercedes-Benz ML350 Question: instrument cluster display

On my instrument cluster in the mileage display it shows a wrench, the letter D, the number 4, and a minus sign. I know the one wrench means minor tune up but what does the number 4 and the minus sign mean? -
Answer 1
Should be explained in the owner's manual. Check here http://repairpal.com/automobile-owners-manuals-online or try this link you may be able to down load a free copy of the owner's manual for your vehicle http://www.autousermanual.com/ -
Answer 2
I believe it means you are 4 days over on the scheduled maintenance. Zee -
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