<p>Bosch Oxygen Sensor, part number 008 542 30 18 (also listed as 0085423018). An oxygen sensor sits in the exhaust system and measures how much oxygen remains in the exhaust gas. The engine control unit uses that reading to adjust the air-fuel mixture, which helps the engine run efficiently and keeps emissions under control.</p> <p>This Bosch sensor is listed for the Mercedes-Benz S-Class from 2011 to 2020, the CL-Class from 2011 to 2014, the SL-Class from 2013 to 2018, and the G-Class from 2016 to 2018. It carries a 24-month warranty.</p> <p>Before ordering, check the Compatible Vehicles table below to confirm that your vehicle's model, year and engine match this part.</p> <h3>Key Features</h3> <table style="width:100%;border-collapse:collapse;"><tbody> <tr> <td style="padding:6px 12px 6px 0;color:#6b6b6b;border-bottom:1px solid #e5e5e5;vertical-align:top;">Brand</td> <td style="padding:6px 0;border-bottom:1px solid #e5e5e5;">Bosch</td> </tr> <tr> <td style="padding:6px 12px 6px 0;color:#6b6b6b;border-bottom:1px solid #e5e5e5;vertical-align:top;">Part Number</td> <td style="padding:6px 0;border-bottom:1px solid #e5e5e5;">008 542 30 18</td> </tr> <tr> <td style="padding:6px 12px 6px 0;color:#6b6b6b;border-bottom:1px solid #e5e5e5;vertical-align:top;">Part Type</td> <td style="padding:6px 0;border-bottom:1px solid #e5e5e5;">Oxygen Sensor</td> </tr> <tr> <td style="padding:6px 12px 6px 0;color:#6b6b6b;border-bottom:1px solid #e5e5e5;vertical-align:top;">Weight</td> <td style="padding:6px 0;border-bottom:1px solid #e5e5e5;">0.29 lbs</td> </tr> <tr> <td style="padding:6px 12px 6px 0;color:#6b6b6b;border-bottom:1px solid #e5e5e5;vertical-align:top;">Cross Reference Number</td> <td style="padding:6px 0;border-bottom:1px solid #e5e5e5;">17283</td> </tr> <tr> <td style="padding:6px 12px 6px 0;color:#6b6b6b;border-bottom:1px solid #e5e5e5;vertical-align:top;">Warranty</td> <td style="padding:6px 0;border-bottom:1px solid #e5e5e5;">24 Months</td> </tr> </tbody></table> <h3>Compatible Vehicles</h3> <div style="overflow-x:auto;"><table style="width:100%;border-collapse:collapse;font-size:0.95em;"> <thead><tr> <th style="text-align:left;padding:6px 8px 6px 0;border-bottom:2px solid #d0d0d0;">Year</th> <th style="text-align:left;padding:6px 8px 6px 0;border-bottom:2px solid #d0d0d0;">Make</th> <th style="text-align:left;padding:6px 8px 6px 0;border-bottom:2px solid #d0d0d0;">Model</th> <th style="text-align:left;padding:6px 8px 6px 0;border-bottom:2px solid #d0d0d0;">Engine</th> <th style="text-align:left;padding:6px 8px 6px 0;border-bottom:2px solid #d0d0d0;">Notes</th> </tr></thead> <tbody> <tr> <td style="padding:5px 8px 5px 0;border-bottom:1px solid #eeeeee;vertical-align:top;">2011</td> <td style="padding:5px 8px 5px 0;border-bottom:1px solid #eeeeee;vertical-align:top;">Mercedes-Benz</td> <td style="padding:5px 8px 5px 0;border-bottom:1px solid #eeeeee;vertical-align:top;">CL550</td> <td style="padding:5px 8px 5px 0;border-bottom:1px solid #eeeeee;vertical-align:top;">4.7L V8 4663cc</td> <td style="padding:5px 8px 5px 0;border-bottom:1px solid #eeeeee;vertical-align:top;">Upstream Left; thru chassis # A 027903 thru 02/28/11</td> </tr> <tr> <td style="padding:5px 8px 5px 0;border-bottom:1px solid #eeeeee;vertical-align:top;">2011</td> <td style="padding:5px 8px 5px 0;border-bottom:1px solid #eeeeee;vertical-align:top;">Mercedes-Benz</td> <td style="padding:5px 8px 5px 0;border-bottom:1px solid #eeeeee;vertical-align:top;">CL550</td> <td style="padding:5px 8px 5px 0;border-bottom:1px solid #eeeeee;vertical-align:top;">4.7L V8 4663cc</td> <td style="padding:5px 8px 5px 0;border-bottom:1px solid #eeeeee;vertical-align:top;">Upstream Right; thru chassis # A 027903 thru 02/28/11</td> </tr> <tr> <td style="padding:5px 8px 5px 0;border-bottom:1px solid #eeeeee;vertical-align:top;">2011–2014</td> <td style="padding:5px 8px 5px 0;border-bottom:1px solid #eeeeee;vertical-align:top;">Mercedes-Benz</td> <td style="padding:5px 8px 5px 0;border-bot