The two series (X164 and X166) of the Mercedes-Benz GL-GLS-Class compared.
This  image was created with <a href="https://en.wikipedia.org/wiki/PhotoScape" class="extiw" title="w:PhotoScape">PhotoScape</a>.
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<ul><li><a href="//commons.wikimedia.org/wiki/File:Mercedes_GL_320_CDI_4Matic_20090620_front.JPG" title="File:Mercedes GL 320 CDI 4Matic 20090620 front.JPG">File:Mercedes_GL_320_CDI_4Matic_20090620_front.JPG</a></li>
<li><a href="//commons.wikimedia.org/wiki/File:Mercedes_GL_320_CDI_4Matic_20090620_rear.JPG" title="File:Mercedes GL 320 CDI 4Matic 20090620 rear.JPG">File:Mercedes_GL_320_CDI_4Matic_20090620_rear.JPG</a></li>
<li><a href="//commons.wikimedia.org/wiki/File:Mercedes-Benz_GLS350d_4MATIC_Sports_(X166)_front.JPG" title="File:Mercedes-Benz GLS350d 4MATIC Sports (X166) front.JPG">File:Mercedes-Benz GLS350d 4MATIC Sports (X166) front.JPG</a></li>
<li><a href="//commons.wikimedia.org/wiki/File:Mercedes-Benz_GLS350d_4MATIC_Sports_(X166)_rear.JPG" title="File:Mercedes-Benz GLS350d 4MATIC Sports (X166) rear.JPG">File:Mercedes-Benz GLS350d 4MATIC Sports (X166) rear.JPG</a></li></ul>