The 2011 Mercedes-Benz M-Class runs on premium unleaded (required).
The 2011 Mercedes-Benz GLK-Class runs on premium unleaded (required).
The 2011 Mercedes-Benz SLK-Class runs on premium unleaded (required).
The 2011 Mercedes-Benz S-Class runs on premium unleaded (required).
The 2011 Mercedes-Benz E-Class runs on premium unleaded (required).
The 2011 Mercedes-Benz CLS-Class runs on premium unleaded (required).
The 2011 Mercedes-Benz C-Class runs on premium unleaded (required).
The 2011 Mercedes-Benz G-Class runs on premium unleaded (required).
The 2011 Mercedes-Benz CL-Class runs on premium unleaded (required).
The 2011 Mercedes-Benz SL-Class runs on premium unleaded (required).
The 2014 Mercedes-Benz CLA-Class runs on premium unleaded (recommended).
Premium 91 Octane is recommended by Nissan.