The DELPHI ES21074-12B1 Oxygen Sensor, specifically designed for the Mercedes W117, 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 provides an environmentally friendly driving experience.
Product Features and Benefits
- OEM compatible DELPHI quality enhances your vehicle's performance and complies with emission standards.
- High durability and long lifespan guarantee reliable operation of this sensor even in harsh conditions.
- Thanks to the easy installation process, you can integrate it into your vehicle without wasting time.
- Having passed any testing phases increases the reliability of this part.
- As a European-based manufacturer, you secure your vehicle with DELPHI quality.
Technical Details
| Manufacturer Brand | DELPHI |
| Product Code (OE/OEM) | ES21074-12B1 |
| Part Type | Lambda Sensor |
| Production Standard | OE Equivalent / OEM |
| Origin | Europe |
| System | Emission |
Vehicle Compatibility
This Oxygen Sensor is compatible with the Mercedes W117 chassis. It works with CLA180, CLA200, CLA250, CLA45 AMG, CLA180CDI, CLA200CDI, and CLA220CDI variants. Engine codes: M270, M274, OM651, M133. We recommend confirming compatibility with your VIN.
- Chassis code: W117
- Engine codes: M270, M274, OM651, M133
- Production year range: 2013-2019
- Trim / Variant: CLA180, CLA200, CLA250, CLA45 AMG, CLA180CDI, CLA200CDI, CLA220CDI
It is recommended to confirm with our contact line using your 17-digit VIN (chassis) number for the correct part selection.
Quality and Warranty
DELPHI is a European-based OE equivalent manufacturer brand known for its high-quality standards. With years of experience in the industry, it offers reliable parts and guarantees product quality through certified manufacturing processes.
Installation and Usage Notes
During installation, it is important to set the correct torque value for the part and check the connections. Paying attention to the installation sequence and checkpoints ensures the efficient operation of the sensor. We recommend having the installation done by an authorized service.
Frequently Asked Questions
Which engines is this sensor compatible with?
The DELPHI ES21074-12B1 is compatible with engine codes M270, M274, OM651, and M133.
Can I install it myself?
It is recommended that a qualified technician perform the installation to achieve the correct performance.
How can I tell if the sensor is faulty?
An increase in exhaust emission values or the illumination of the engine malfunction light may indicate a sensor failure.
Does this product have a warranty?
DELPHI products generally come with a specific warranty period; for details, you can refer to after-sales services.
Advantages of German Parts Warehouse: 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.