Daimler's Mercedes-Benz sold 199,293 cars worldwide last month, increasing volume 4.9% year on year and setting a new October record.
The automaker said the was due largely to the recent launch of the A-Class saloon and GLC models.
Year to date sales rose 1% to 1,924,536 cars.
The company claimed premium segment market leadership in multiple countries for the year so far.
Mercedes Europe sales rose 1.3% to 81,017 units with Germanvolume up 5.3% to 30,763 and 5% YTD.
Asia-Pacific region deliveries increased 10.9% to 80,312 with China volume up 13.8% to 57,142 in and 5.8% to 583,032 YTD.

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By GlobalDataNAFTA sales rose 1.5% to 33,264 units with US sales up 1.2% to 27,867.
Compact model sales rose 9.8% to 546,100 units.
Smart sales year to date were off 10.5% to 96,245 vehicles with the automaker citing an upcoming model update and high unit sales in 2019 as key reasons for the slump.