The Mercedes W211 OM646 Oxygen Sensor | DELPHI ES21131-12B1 measures the amount of oxygen in the exhaust gases to optimize the fuel mixture ratio. This helps keep emission values under control. It is a critical part for enhancing vehicle performance.
Product Features and Benefits
- OEM compatible DELPHI ES21131-12B1 has the same quality and durability as original parts.
- Works with high precision to increase fuel efficiency and reduce emissions.
- Saves time with easy installation.
- Meets high-quality standards due to its European origin.
- Offers reliable performance with a certified manufacturing process.
Technical Details
| Manufacturer Brand | DELPHI |
| Product Code (OE/OEM) | ES21131-12B1 |
| Part Type | Lambda Sensor |
| Production Standard | OE Equivalent / OEM |
| Origin | Europe |
| System | Emission |
Vehicle Compatibility
This oxygen sensor is compatible with the Mercedes W211 chassis and is suitable for models produced between 2002-2009, including E200, E220, E230, E240, E280, E320, E350, E500, E55 AMG, E63 AMG, E220CDI, E270CDI, E320CDI. Engine codes M112, M113, M271, M272, M273, OM611, OM612, OM642, OM648 should be checked. It is recommended to confirm with the VIN.
- Chassis code: W211
- Engine codes: M112, M113, M271, M272, M273, OM611, OM612, OM642, OM648
- Production year range: 2002-2009
- Trim / Variant: E200, E220, E230, E240, E280, E320, E350, E500, E55 AMG, E63 AMG, E220CDI, E270CDI, E320CDI
It is recommended to confirm with your 17-digit VIN (chassis) number for the correct part selection.
Quality and Warranty
The DELPHI brand is known for its high quality as a European OE equivalent manufacturer. With years of experience and certified manufacturing processes, it offers reliable spare parts. DELPHI produces without compromising on quality in the automotive sector.
Installation and Usage Notes
During installation, ensure that the sensor is correctly positioned and pay attention to the specified torque values. The sequence and checkpoints are included in the installation guide. It is recommended to have the installation performed at authorized service centers.
Frequently Asked Questions
Is the installation of this sensor difficult?
No, the installation is quite easy. However, it should be ensured that it is positioned correctly.
In which vehicles can I use it?
It can be used in vehicles with the Mercedes W211 chassis.
Is there a warranty for the spare part?
Yes, DELPHI parts are generally covered by warranty.
How does this sensor affect emissions?
The oxygen sensor reduces emissions by optimizing the fuel mixture ratio.
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 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 a quote for the correct OE/equivalent part.
