Based on the two - door S - Class Coupe, the S - Class Cabrio (length / width / height: 5,027 / 1,899 / 1,417 mm) shares around 60 % of
its bodyshell components with S - Class Coupe.
Most of
the bodyshell components are made of die - cast aluminium and sheet steel.
Not exact matches
Aluminium has been used in the
bodyshell and for various suspension
components to save weight, although the GLC Coupe 350d is no lightweight at 1845 kg.
In this case the focus of the developers is on the durability of the drive train
components, the entire
bodyshell and the integral subframe on which the front axle, steering and engine are mounted.
Installation of the powertrain
components on a subframe that in turn bolts to the
bodyshell means that it is even possible to have both arrangements, i.e. lower end models can be single motor and open diff and higher end versions of the same vehicle can be dual motor.
With a torsional stiffness of 36,500 Nm / degree, a 4 % increase over the previous generation Flying Spur, the new
bodyshell provides an extremely rigid platform for the chassis
components and a stable foundation for NVH reduction.