The DELPHI ES21202-12B1 Oxygen Sensor designed for the Mercedes W204 M274 measures the amount of oxygen in the exhaust gases to optimize the fuel mixture ratio. This helps keep emission values under control and enhances your vehicle's performance.
Product Features and Benefits
- Increases fuel efficiency by measuring oxygen with high precision.
- Durable and long-lasting due to OE quality standards compliance.
- Provides environmentally friendly driving by optimizing your emission values.
- Saves time with easy installation.
- Offers reliable performance through advanced testing processes.
Technical Details
| Manufacturer Brand | DELPHI |
| Product Code (OE/OEM) | ES21202-12B1 |
| Part Type | Lambda Sensor |
| Production Standard | OE Equivalent / OEM |
| Origin | Europe |
| System | Emission |
Vehicle Compatibility
The DELPHI ES21202-12B1 is compatible with the Mercedes W204 chassis produced between 2007-2014. It can be used with variants such as C180, C200, C230, C250, C280, C300, C350, C63 AMG, along with engine codes M271, M272, M276, OM651, and OM642. 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 our support line using your 17-digit VIN (chassis) number for the correct part selection.
Quality and Warranty
DELPHI is a European-origin OE equivalent manufacturer brand with high-quality standards. With years of production history and certifications, it offers a reliable choice. DELPHI's detailed testing processes guarantee the performance and durability of this part.
Installation and Usage Notes
It is important to pay attention to the correct torque values during installation. Check the connection points before installing the part and follow the required sequence. We recommend seeking support from an authorized service for the installation process.
Frequently Asked Questions
Where is the DELPHI ES21202-12B1 oxygen sensor used?
This sensor is used for exhaust gas measurement in Mercedes W204 vehicles.
Is the installation difficult?
The installation is quite easy, but there are points that require careful attention.
How long does this sensor last?
Thanks to its quality manufacturing, it is long-lasting, but it may vary depending on the vehicle's usage conditions.
How does it affect emission values?
It measures the amount of oxygen to optimize the fuel mixture and reduce emission values.
Advantages of German Parts Warehouse: Same-day shipping, 14-day return policy, 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 support line with your vehicle's chassis number, we will quickly provide you with the correct OE/equivalent part as a quote.
