After speculation around the potential of a historic engine supply agreement between Mercedes-Benz and BMW, an official denial has been issued. Markus Schaefer, Chief Technology Officer and member of the Board of Management at Mercedes-Benz Group, stated that the company did not intend to use external engines, especially from a direct competitor like BMW.
The rumors-about which we reported in August that the two German car manufacturers were in advanced conversations for Mercedes to use the 2.0-liter petrol engine (B48) of BMW in future models, in particular compact vehicles and plug-in hybrid versions of the C-Class and e-class. The aim was reportedly to reduce development costs and to guarantee compliance with the coming euro 7 -emission rules.
Schaefer, however, rejected these claims during the IAA Mobility Show in Munich:
“There is no truth in it. We have developed our own new family of modular engines – Fame (family of modular engines) – which covers all journeys and already meets EU7, China 7 and the American regulations. ‘
BMW B48 four -cylinder engine
Photo by: BMW
Introduced almost four years ago, the FAME (Family of Modular Engines) platform includes four, six, eight and twelve-cylinder engines designed to remain relevant, even if the industry shifts to electrification. Markus Schaefer confirmed that a new powerful V-8, which is fully in accordance with the strictest emission rules, is almost complete and that V-12 engines will continue to be part of the Mercedes arrangement.
“We will continue to offer V-12s and also V-8s,” he said. “We have a complete, internal, updated thermal motorcycle range that is ready for the future.”
Some rumors suggested that from 2027 Mercedes could replace some of its smaller engines-such as the 1.5-liter turbo-mutual development with partners such as GEYY (under the horse joers company)-with the 2.0-liter unit of BMW.

Photo by: Mercedes-Benz
No official confirmation ever came from Stuttgart or Munich. Now, with Schaefer’s official statement, it is clear: Mercedes is not going to outsource combustion engines, especially not to a direct competitor.
The refusal comes at a crucial moment for Mercedes, while the company accelerates its electrification strategy without completely leaving internal combustion engines. A clear example is the new GLC, which will be offered in an electric version that is priced in the same way as its combustion counterpart – a significant shift in the balance between the two technologies.
Looking ahead, one thing is clear: the Mercedes motor identity remains 100 percent “made in Stuttgart.”

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Source: Mercedes-Benz
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