<p>The Bosch 009 542 55 18 64 is an oxygen sensor for Mercedes-Benz vehicles, also listed as 009542551864 and cross reference 17339. Oxygen sensors measure the oxygen content of the exhaust gas and send that signal to the engine control unit, which uses it to adjust the air-fuel mixture.</p> <p>This part is listed for the Mercedes-Benz E-Class (2012-2023), GL-Class (2013-2016), GLE-Class (2016-2025), S-Class (2015-2021), M-Class (2012-2015), GLS-Class (2017-2025), AMG GT (2019-2025), C-Class (2012-2015), G-Class (2013-2018), Sprinter (2019-2023), GLC-Class (2017-2023), Metris (2016-2023), R-Class (2012), and SLK/SLC (2012-2016). Engine details for each model are included in the fitment data.</p> <p>The Bosch oxygen sensor carries a 24-month warranty and weighs 0.28 lbs. Please check the Compatible Vehicles table below to confirm fitment for your vehicle before ordering.</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;">009 542 55 18 64</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;">0.28 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;">17339</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;">2019–2023</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;">AMG GT 63</td> <td style="padding:5px 8px 5px 0;border-bottom:1px solid #eeeeee;vertical-align:top;">4.0L V8 3982cc</td> <td style="padding:5px 8px 5px 0;border-bottom:1px solid #eeeeee;vertical-align:top;">Upstream Left</td> </tr> <tr> <td style="padding:5px 8px 5px 0;border-bottom:1px solid #eeeeee;vertical-align:top;">2024–2025</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;">AMG GT 63</td> <td style="padding:5px 8px 5px 0;border-bottom:1px solid #eeeeee;vertical-align:top;">4.0L V8 3982cc</td> <td style="padding:5px 8px 5px 0;border-bottom:1px solid #eeeeee;vertical-align:top;">Upstream Left</td> </tr> <tr> <td style="padding:5px 8px 5px 0;border-bottom:1px solid #eeeeee;vertical-align:top;">2019–2023</td> <td