Not that much heavier. Current Ford Mondeo, the boring, economical workhorse, has curb weight ~1550 kg, MB E-class is 1600-1800 depending on model (engine and drivetrain). Tesla Model S is further away at 1960-2240 kg.
However, what's essential is that in car design, you of course dimension the parts so that they match with the expected load. It is totally not acceptable if the parts cannot take normal use and become dangerous, and driving on dirt-surfaced roads is normal use.
However, what's essential is that in car design, you of course dimension the parts so that they match with the expected load. It is totally not acceptable if the parts cannot take normal use and become dangerous, and driving on dirt-surfaced roads is normal use.