The Mercedes W156 M133 Oxygen Sensor, DELPHI ES21119-12B1, measures the amount of oxygen in the exhaust gases to optimize the fuel mixture ratio. This helps keep emission values under control and enhances engine performance.
Product Features and Benefits
- High-quality DELPHI manufacturing provides reliable performance at original equipment quality.
- Precise measurements in the emission system increase fuel efficiency and ensure eco-friendly driving.
- Easily integrates into your vehicle, saving time with quick installation.
- Durable and reliable design reduces maintenance costs.
- Tested performance ensures reliable operation in all weather conditions.
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 Mercedes W156 chassis vehicles produced between 2013-2020. It is ideal for models GLA180, GLA200, GLA250, GLA45 AMG, GLA200CDI, and GLA220CDI with engine codes M270, M274, OM651, M133. It is recommended to check with the VIN.
- 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, as an OE equivalent manufacturer from Europe, has a high-quality standard. It offers reliability with advanced manufacturing processes and certifications. DELPHI, which has been in the automotive industry for years, is known for its wide product range and performance-oriented designs.
Installation and Usage Notes
During installation, ensure that the sensor is placed in the correct orientation. Attention to torque values increases the security of the connections. Performing the installation with the help of authorized services ensures the best results.
Frequently Asked Questions
Why is this sensor important?
The oxygen sensor optimizes the fuel mixture of the engine, enhancing performance while keeping emissions under control.
Which vehicles is it compatible with?
It is compatible with Mercedes W156 chassis vehicles and GLA series models.
What points should I pay attention to during installation?
Adherence to torque values and checking the integrity of cable connections should be ensured.
Is there a warranty for this product?
DELPHI products are generally offered with a manufacturer's warranty; it is recommended to check the product documents for details.
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 will only be 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.
