Daimler AG has handed over its global media duties to the Omnicom Media Group (OMG). The account is estimated to be worth up to $950m.
WPP's GroupM had managed the majority of the business in Europe and the APAC region. Omnicom was the incumbent in the US, Canada, South Africa, Australia and New Zealand.
The pitch, which kicked off in May, was run by Accenture Media Management.
OMG will be responsible for all Daimler brands, including Mercedes-Benz Cars, Mercedes-Benz Vans, Daimler Trucks, Daimler Buses, Daimler Financial Services.
OMG will begin work from January 2019 for more than 40 markets worldwide.
Natanael Sijanta, global marketing director at Mercedes-Benz Cars, said: "In the OMG we are delighted to have a top-calibre partner at our side for our global media activities. Our goal is to be the global digital champion in automotive marketing.
"We aim to fully reorganize our processes and our basis for decision-making in marketing and to address our customers worldwide in a personalized manner with content which is of relevance to them.
"We have already established a global network of experts for this purpose: our three creative hubs for Europe, the USA and China are producing creative and brand-defining communicative content with great success."