The DELPHI ES21131-12B1 oxygen sensor designed for the Mercedes W204 measures the amount of oxygen in the exhaust gases to optimize the fuel mixture ratio. This enhances engine performance while keeping emission values under control, providing an environmentally friendly driving experience.
Product Features and Benefits
- The DELPHI ES21131-12B1 offers superior quality and durability, fully compatible with original parts.
- Increases the efficiency of the emission system, providing fuel savings and extending engine life.
- Saves time and labor with easy installation.
- A reliable product that has undergone strict quality controls.
- Manufactured to OE standards, offering long-lasting performance.
Technical Details
| Manufacturer Brand | DELPHI |
| Product Code (OE/OEM) | ES21131-12B1 |
| Part Type | Lambda Sensor |
| Manufacturing Standard | OE Equivalent / OEM |
| System | Emission |
Vehicle Compatibility
The DELPHI ES21131-12B1 is compatible with the Mercedes W204 chassis produced between 2007-2014. It supports variants such as C180, C200, C230, C250, C280, C300, C350, C63 AMG. It is compatible with engine codes M271, M272, M276, OM651, and OM642. Confirmation with VIN is recommended.
- 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 a European-origin OE equivalent manufacturer brand known for its high quality standards and certifications. Each part is designed to provide long-lasting and reliable performance.
Installation and Usage Notes
During installation, ensure that the sensor is tightened to the correct torque value. Connection points should be checked, and proper sequencing should be observed. It is recommended to work with an authorized service.
Frequently Asked Questions
What function does this sensor perform?
The oxygen sensor optimizes the fuel mixture by measuring the oxygen level in the exhaust gases.
Which vehicles is it compatible with?
It is compatible with the Mercedes W204 chassis and the specified engine codes.
Is installation difficult?
Installation is easy, but it requires the correct torque and sequencing.
Does the product come with a warranty?
Yes, DELPHI products are generally covered by warranty.
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 confirmed only for items physically available. If you write to our contact line with your vehicle's chassis number, we will quickly provide a quote for the correct OE/equivalent part.
