Both cars are similar in size. Mercedes E class is 1 cm shorter than the BMW 5 series, 2 cm narrower, while the height of Mercedes E class is 2 cm lower.
Trunk capacity:
450 litres
410 litres
Trunk max capacity: with rear seats folded down
1470 litres
no data
Mercedes E class has more luggage capacity. Even though the car is shorter, Mercedes E class has 40 litres more trunk space than the BMW 5 series. The BMW 5 series may have more interior space, so the cabin could be more spacious and more comfortable for the driver and passengers.
Turning diameter:
11.6 meters
12.1 meters
The turning circle of the Mercedes E class is 0.5 metres less than that of the BMW 5 series, which means Mercedes E class can be easier to manoeuvre in tight streets and parking spaces.
Mercedes E class has fewer problems. According to annual technical inspection data BMW 5 series has serious deffects in 135 percent more cases than Mercedes E class, so Mercedes E class quality is probably significantly better