The Mercedes W204 OM651 Oxygen Sensor | DELPHI ES21131-12B1 measures the oxygen content in the exhaust gases to optimize the fuel mixture. This helps keep emission values under control and increases engine efficiency.
Product Features and Benefits
- Manufactured with OEM compatible DELPHI quality, providing reliable performance.
- Durable construction ensures long-lasting use and reduces the need for frequent replacements.
- Supports the effective operation of the emission system, offering an environmentally friendly driving experience.
- Installation is quite easy, saving time and labor costs.
- Each sensor undergoes rigorous testing processes to guarantee quality standards.
Technical Details
| Manufacturer Brand | DELPHI |
| Product Code (OE/OEM) | ES21131-12B1 |
| Part Type | Lambda Sensor |
| Production Standard | OE Equivalent / OEM |
| System | Emission |
Vehicle Compatibility
This oxygen sensor is compatible with vehicles produced between 2007-2014 in the Mercedes W204 chassis model. It can be used with variants such as C180, C200, C230 and engine codes M271, M272, OM651. We recommend confirming compatibility with your VIN.
- Chassis code: W204
- Engine codes: M271, M272, M276, OM651, OM642
- Production year range: 2007-2014
- Trim / Variant: C180, C200, C230, C250, C280, C300, C350, C63 AMG, C200CDI, C220CDI, C250CDI, C320CDI
It is recommended to confirm with your 17-digit VIN (chassis) number through our contact line for the correct part selection.
Quality and Warranty
DELPHI is recognized as an OE equivalent manufacturer based in Europe. Its products are known for reliability in the automotive sector with high-quality standards. Each part has been tested for reliability and durability through certified production processes.
Installation and Usage Notes
During installation, ensure that the sensor is positioned correctly and pay attention to the specified torque values. You can reduce the risk of leaks by checking the connection points. It is recommended to have the installation done by an authorized service.
Frequently Asked Questions
What function does this sensor serve?
The oxygen sensor measures the oxygen level in the exhaust gases to optimize the engine's fuel mixture.
How long does this part last?
Thanks to the use of quality materials, it is long-lasting, but this may vary depending on usage conditions.
Can I install it myself?
While installation is easy, it is recommended to have it done by a professional service.
What vehicles are compatible?
It is compatible with the Mercedes W204 chassis model and the specified engine codes, and VIN should be checked.
Advantages of German Parts Depot: Same day shipping, e-archive invoicing, WhatsApp expert support line (wa.me/905382927219). Our stock information is updated in real-time; your order is only confirmed from items physically available. If you write to our contact line with your vehicle's chassis number, we will quickly provide you with a quote for the correct OE/equivalent part.
