The Mercedes W156 M270 Oxygen Sensor | DELPHI ES21119-12B1 measures the amount of oxygen in the exhaust gases to optimize the fuel mixture ratio. This part ensures that emission values are kept under control and enhances engine performance.
Product Features and Benefits
- Offers high quality thanks to its OEM compatible structure and fully meets your vehicle's standards.
- Provides long-lasting use with durable materials, reducing the need for frequent part replacements.
- Saves time with easy installation, ideal for users with technical knowledge.
- Offers an environmentally friendly driving experience by increasing the efficiency of the emission system.
- Delivers reliable performance with the trusted history of the DELPHI brand.
Technical Details
| Manufacturer Brand | DELPHI |
| Product Code (OE/OEM) | ES21119-12B1 |
| Part Type | Lambda Sensor |
| Production Standard | OE Equivalent / OEM |
| Origin | Europe |
| System | Emission |
Vehicle Compatibility
This oxygen sensor is compatible with the Mercedes W156 chassis produced between 2013-2020 for the GLA180, GLA200, GLA250, GLA45 AMG, GLA200CDI, and GLA220CDI models. It works with engine codes M270, M274, OM651, and M133. We recommend confirming compatibility with your VIN number.
- Chassis code: W156
- Engine codes: M270, M274, OM651, M133
- Production year range: 2013-2020
- Trim / Variant: GLA180, GLA200, GLA250, GLA45 AMG, GLA200CDI, GLA220CDI
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 quality standards and certifications. This brand, which has been in the automotive industry for many years, offers reliable products in terms of durability and performance.
Installation and Usage Notes
The most important point to pay attention to during installation is the correct placement of the sensor. Torque values should be observed, and connections should be checked. It is recommended to have the installation performed at an authorized service.
Frequently Asked Questions
What does this sensor do?
The oxygen sensor measures the amount of oxygen in the exhaust gases to ensure the correct adjustment of the fuel mixture.
When should it be replaced?
It should be replaced when you notice a decrease in the performance of the oxygen sensor or an increase in emission values.
Can I install it myself?
If you have technical knowledge, you can install it yourself, but professional assistance is recommended.
Is this part original?
Yes, DELPHI ES21119-12B1 is a product of original equipment quality.
Advantages of German Parts Depot: 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 confirmed only for items physically available. If you write to our contact line with your vehicle's chassis number, we will quickly provide you with the correct OE/equivalent part as a quote.
