The Mercedes W156 OM651 Oxygen Sensor | DELPHI ES21074-12B1 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
- OEM compatible DELPHI ES21074-12B1 offers high quality and durability.
- A critical part of the emission system, it increases fuel efficiency.
- Saves time with easy installation.
- A reliable choice with certified manufacturing processes.
- Long-lasting design provides cost advantages in the long term.
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 Mercedes W156 chassis vehicles produced between 2013-2020. It can be used with GLA180, GLA200, GLA250, GLA45 AMG, GLA200CDI, and GLA220CDI engine codes. You can confirm compatibility by checking your vehicle's 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 our customer service 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. Its products undergo strict testing processes before being released to the market and are recognized for their reliability. This oxygen sensor offers high engineering and durability.
Installation and Usage Notes
During installation, ensure that the sensor is properly positioned. Pay attention to torque values and follow the installation sequence. Review the checkpoints. It is recommended to have the installation performed by an authorized service.
Frequently Asked Questions
Why is this sensor necessary?
The oxygen sensor optimizes the fuel mixture by measuring the amount of oxygen in the exhaust gases.
Can I install it myself?
It is recommended to have the installation done at a professional service.
Which engines is this sensor compatible with?
It is compatible with engine codes OM651, M270, M274, and M133.
What is the warranty period?
DELPHI products typically offer a 2-year warranty period.
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 customer service with your vehicle's chassis number, we will quickly provide you with a quote for the correct OE/equivalent part.
