THE European Union’s probe into Beijing’s electric-vehicle subsidies is meant to protect its carmakers from a flood of cheap Chinese cars. But if it leads to tit-for-tat tariffs, Mercedes-Benz Group and BMW’s biggest moneymakers will be most exposed.

For Germany’s high-end manufacturers, including Porsche, China has proven an insatiable market for their most expensive models, such as the S-Class, 7-Series and Cayenne SUV. Those vehicles, however, are mainly imported, putting them in the line of fire if Beijing retaliates against any EU measures.

“Those who live in glass houses should not throw stones,” Bernstein analysts Daniel Roeska and Eunice Lee said in a research note. The three German luxury carmakers are at greatest risk of taking a big hit should the trade dispute escalate, they said.

China is the biggest destination for Germany’s most expensive vehicles. Last year, the country accounted for more than a third of global sales of BMW’s 7-series and Mercedes’ S-Class. The 1.47 million yuan (S$274,750) Maybach ships more than 1,000 times a month from Chinese showrooms.

For Volkswagen subsidiary Audi, China made up more than a third of global sales. Last year, the carmaker exported to China more than 10,000 of its A8 luxury sedans, which are made exclusively in Neckersulm, Germany.

Roeska and Lee estimate that Chinese revenue streams represent more than 25 per cent of the German automakers’ underlying net income.

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For some higher-volume models such as smaller and mid-sized sedans, BMW and Mercedes have local manufacturing partnerships that allow them to sell those cars without the current 15 per cent import tariff. But their high-end models are generally produced in Europe and North America.

Mercedes sold more than 750,000 cars in China last year, of which just over 20 per cent were imported. BMW’s shipped in about a third of Chinese deliveries while Porsche does not make any cars in the world’s biggest car market.

The exposure has only increased in recent years as the carmakers, faced with supply chain logjams, focused resources on making and selling their highest margin vehicles. Under chief executive officer Ola Källenius, Mercedes has been pursuing a luxury-first strategy, partly modelled on the company’s sales profile in China.

The EU’s chief trade negotiator Valdis Dombrovskis reaffirmed the bloc’s “more assertive” stance on trade with China in a speech in Beijing on Monday (Sep 25).

If China decides to respond with import tariffs, “Made in Germany” – long considered a badge of sophistication – could prove a drawback. BLOOMBERG