It’s a head-scratcher, isn’t it? Picture this: two of the biggest names in German luxury cars, Mercedes-Benz and BMW, long-time rivals, might be joining forces. We’re hearing that Mercedes-Benz is seriously thinking about using engines from BMW. This news, reported on August 23, 2025, changes how we think about competition in the auto industry.
BMW is no stranger to sharing its engine smarts. Over the years, they’ve provided internal combustion engines to other car makers. You’ll find BMW power under the hoods of cars from brands like Morgan, Ineos, and even Land Rover. But the idea of Mercedes-Benz, their direct competitor, using their engines? That’s quite a plot twist in the story of car manufacturing.
According to reports from the German magazine Manager, later picked up by Autocar, these two giants are talking. The discussions are about BMW possibly supplying its B48 2.0 turbo four-cylinder engines to Mercedes. This specific engine family is pretty common, powering everything from Mini models to hybrid versions of the BMW 7 Series.
Mercedes-Benz would likely use these engines with its own electric systems. Think of them as the combustion part in plug-in hybrids, much like what Mercedes offers across its current lineup. They could also act as a range extender in a new series of hybrid cars, similar to how the old BMW i3 worked.
This makes a lot of sense when you look at upcoming car rules. BMW has already updated the B48 engine to meet the strict Euro 7 emission standards. By using this engine, Mercedes would get a powerful and adaptable four-cylinder option for many different car types in the coming years. This could help them get past some limits of their current M252 1.5-liter four-cylinder engine. That Mercedes engine isn’t currently used with these more complex hybrid systems.
So, while a Mercedes car with a BMW engine might sound odd at first, the idea benefits both companies. Mercedes needs a reliable engine that meets future goals. BMW, on the other hand, can build even more B48 engines, which helps them save money by making more of the same thing.
This potential partnership could even pave the way for shared manufacturing. That might lower costs for both brands in various markets around the globe. While this engine deal isn’t set in stone yet, it looks like a win-win situation. It makes enough sense for both sides that we just might see this surprising agreement come to pass.
Source: Manager magazine