HENGST FILTER Cabin Air Filter - E3900LI

Upgrade your vehicle's interior air quality with the HENGST FILTER cabin air filter. Designed to e...

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eBayHENGST E3900LI FILTER INTERIOR AIR
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AutodocHENGST FILTER Pollen filter MERCEDES-BENZ E3900LI 6717310000,1668300018,1668300218 2068307903,2068351500,4638301102,A1668300018,A1668300218
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Product Information

Full details

The HENGST FILTER E3900LI is an essential upgrade for owners of Mercedes-Benz vehicles seeking to maintain pristine interior air quality by efficiently trapping dust, pollen, and airborne debris. Designed for those who prioritize cabin comfort and effective climate control system performance, this high-quality filter offers a precise, factory-grade fit. However, users should note that the installation process requires basic access to the vehicle's HVAC housing, which may be located behind the glove box or in the engine bay depending on your specific Mercedes-Benz model.

All features

Model Part NumberE3900LI
BrandHENGST FILTER

Extended Product Information

FAQs

How do I know if this filter fits my car?

The E3900LI is compatible with many Mercedes-Benz C-Class, E-Class, GLC, GLE, and EQ series models. Always verify against your vehicle's service manual or part number.

Does it include charcoal for odor absorption?

This specific model, E3900LI, focuses on particle filtration. Please check the specific product packaging if active charcoal layers are required.

Can I wash and reuse this filter?

No, this is a dry particulate filter designed for single use. Washing it will destroy the filtration media.

Which way should the airflow arrow point?

The airflow arrow should point in the direction of the air moving from the filter toward the passenger cabin.

How often should I change it?

It is recommended to replace the filter every 15,000 kilometers or annually, whichever comes first.

Troubleshooting

Reduced airflow from vents

The filter may be saturated with debris; check for blockages or confirm the filter is installed in the correct orientation.

Musty odor inside cabin

Replace the filter and consider using an AC system disinfectant spray to address bacterial buildup in the evaporator.

Pros and Cons

Pros

  • Significantly improves interior air quality
  • Precise dimensions ensure optimal sealing
  • Maintains efficient climate control performance
  • Easy to install as a direct replacement

Cons

  • Requires periodic replacement based on driving conditions
  • Access points vary significantly between Mercedes-Benz models
  • Not washable; must be replaced once saturated

Setup, Compatibility & Care

To install, locate the cabin air filter housing, which is most commonly found under the dashboard on the passenger side or under the hood near the cowl, depending on your vehicle model. Carefully remove the old filter, noting the airflow direction arrow, and slide the HENGST E3900LI into place ensuring the seal is flush.

Specifications

| Attribute | Measurement |

| :--- | :--- |

| Length | 248mm |

| Width | 189mm |

| Height | 31mm |

| Compatibility | Mercedes-Benz C, E, GLC, GLE, EQ |

Care instructions include keeping the housing area clean of debris during the swap to prevent contaminants from entering the blower fan.

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