Yes same chassis..
This is done to take advantage of common parts sourcing. <br> <br> Using a single platform pay off on the CLK. Take a look at the price difference of the last coupe made by Mercedes. The last coupe was built off the E-Class chassis.<br> <br> The CLK may look like it came from the larger E-Class line because of coupe's nose but the the CLK is considerably shorter. <br> <br> The coupe is also shorter overall than the C-class sedan by more than two inches, though they ride on the same 105.9-inch wheelbase.<br>