<p>The Bosch Air Mass Sensor, part number 273 094 09 48 (also listed as 2730940948), measures the mass of air entering the engine. The engine control unit uses this reading to calculate how much fuel to inject, so the sensor helps the engine keep its air-fuel mixture on target. Bosch also lists this sensor under cross reference 0 280 218 190 (0280218190).</p> <p>This sensor is listed for Mercedes-Benz M-Class, C-Class, E-Class, SLK/SLC, CLK-Class, GL-Class, R-Class, S-Class, CL-Class, CLS-Class, G-Class, GLK-Class and SL-Class models, covering model years 2005 through 2015 depending on the model. Engine sizes range from 2.5L V6 to 5.5L V8.</p> <p>The part carries a 24-month warranty. Check the Compatible Vehicles table below to confirm fitment for your model, year and engine 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;">273 094 09 48</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;">Air Mass 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;">0.70 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;">0-280-218-190, 0280218190</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;">2006–2007</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;">C230</td> <td style="padding:5px 8px 5px 0;border-bottom:1px solid #eeeeee;vertical-align:top;">2.5L V6 2496cc</td> <td style="padding:5px 8px 5px 0;border-bottom:1px solid #eeeeee;vertical-align:top;"></td> </tr> <tr> <td style="padding:5px 8px 5px 0;border-bottom:1px solid #eeeeee;vertical-align:top;">2006–2007</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;">C280</td> <td style="padding:5px 8px 5px 0;border-bottom:1px solid #eeeeee;vertical-align:top;">3.0L V6 2996cc</td> <td style="padding:5px 8px 5px 0;border-bottom:1px solid #eeeeee;vertical-align:top;"></td> </tr> <tr> <td style="padding:5px 8px 5px 0;border-bottom:1px solid #eeeeee;vertical-align:top;">2008–2012</td> <td style="padding:5px 8px 5px 0;border-bottom:1px solid #eeeeee;vertical-align:top;">Mercedes-Benz<