Mercedes-Benz E S Class W211 W220 Height Level Sensor Level Sensor A0105427617

Mercedes-Benz E S Class W211 W220 Height Level Sensor Level Sensor is a precision component of the vehicle height adjustment system that works in conjunction with the Headlights control system. It is responsible for transmitting information about the current suspension position to the controller, which enables the correct adjustment of the light beam and stable operation of the chassis system. This solution helps maintain high driving comfort and proper lighting geometry in demanding road conditions.

Specifications and technical data

• SKU: A0105427617
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A0105427617
• Substitutable numbers: A0105427617, A 0105427617, A 010 542 76 17
• Category: Headlight Assemblies

Purpose and function in the vehicle system

The presented level sensor is designed for Mercedes E-Class W211 and Mercedes S-Class W220 models, which feature automatic vehicle height adjustment and the associated headlight range control. This component monitors the suspension position relative to the body and sends a signal to the controller responsible for the operation of the Headlights.

A functional level sensor is crucial for:

• maintaining the correct headlight beam pattern under varying vehicle loads,
• stable operation of the suspension self-leveling system,
• reducing the risk of dazzling other road users,
• maintaining compliance with vehicle lighting regulations.

Technical characteristics and system integration

The level sensor works with the vehicle's factory electrical installation and the controller responsible for adjusting the Headlights. Its design is adapted to the operating conditions in the chassis area, where variable mechanical loads and exposure to moisture and contaminants occur.

This element is designed as an OEM part, which means:

• dedicated mounting points on the suspension and body,
• output signal characteristics designed for a specific model,
• compatibility with the factory height and lighting adjustment controller.

Component condition and installation aspects

The offered sensor is a used part, sourced from dismantling, which allows for cost-effective replacement while maintaining the manufacturer's original specifications. This type of component is particularly attractive for maintenance repairs where the priority is to preserve the factory operating characteristics of the system.

During installation, it is recommended to:

• check the condition of the mounts on the suspension and body,
• verify the correctness of the electrical connection,
• after installation – verify the operation of the self-leveling system and the adjustment of the Headlights using appropriate service procedures.

Benefits of using an original level sensor

Using an original level sensor in a Mercedes-Benz E and S Class allows for maintaining the consistency of the entire suspension and lighting system. Factory fitment to the suspension geometry and the correct signal characteristics translate into predictable vehicle behavior and stable headlight operation across the full load range.

For the user, this means:

• more predictable vehicle reactions when load changes,
• proper road illumination without the need for manual correction,
• reduced risk of system errors related to the leveling system.

Expanding the lighting system in a Mercedes

If you are planning a comprehensive repair or upgrade of the front lighting area in your Mercedes and need other elements from the same group, such as headlights, control modules, or adjustment components, check the available parts in the Mercedes Headlights category.

Additional technical support and knowledge

When working with advanced suspension and lighting control systems, it is worth using reliable technical materials. In the context of diagnostics, selecting parts by OEM number, and verifying compatibility with a specific engine unit, our guide on turbocharging systems in modern engines may be helpful – you can find it in the article BMW B58 code, or 340 HP from the secondary market – a checklist before buying a turbocharger and intercooler for a BMW 3 Series (G20), which shows how to approach the selection of components step-by-step based on technical data and catalog numbers.