Mercedes E-Class S211 W211 Battery Tray Holder Mounting Bracket A2115454840

The Mercedes E-Class S211 W211 Battery Tray is a dedicated power supply mounting component designed for the rear of the E-Class W211/S211 series vehicles. It is responsible for the stable, secure, and factory-compliant placement of the battery, which is crucial for both the reliability of the electrical system and the protection of the vehicle body. By maintaining the original mounting geometry, this battery tray ensures proper cable routing and correct load distribution in the rear of the vehicle.

Specifications and technical data

• SKU: A2115454840
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2115454840
• Substitutable numbers: A2115454840, A 2115454840, A 211 545 48 40, EM
• Location on the vehicle: Rear
• Category: Battery Accessories

Vehicle Application and Function

The tray is part of the Battery Accessories group, specifically designed for the Mercedes E-Class W211/S211 generation. Its placement in the rear of the vehicle provides favorable operating conditions for the battery, but also requires precise, rigid mounting to minimize vibrations and movement during driving.

A correctly selected battery tray:

• maintains the battery in a stable position in the rear of the vehicle,
• minimizes the risk of mechanical damage to the battery casing and cables,
• supports proper drainage of any leaks and moisture from the mounting area,
• ensures compliance with the factory electrical system layout.

Benefits of Using an Original Mercedes Part

The tray was developed by Mercedes with a specific body platform in mind, ensuring a perfect fit for mounting points, the recess shape, and the dimensions of the intended battery. Using an original solution minimizes the need for any modifications, and installation simply involves restoring the factory configuration.

Key advantages include:

• consistency with the factory power supply system safety concept,
• correct support and immobilization of the battery in both longitudinal and transverse axes,
• compatibility with associated hardware (clamps, mounts, cable routing),
• easier diagnostics and servicing of the electrical system due to the preservation of the original layout.

Characteristics of a Used Component

The offered tray is a used part from a dismantled vehicle, meaning it retains its original factory construction and geometry. Such components, being structural elements without moving mechanisms, are well-suited for reinstallation, provided there are no significant structural damages. This allows for an economical replacement of a damaged or corroded mount while maintaining the original manufacturing standard.

Choosing a used OEM part is particularly beneficial for E-Class models, where precise fitment and compliance with service documentation are important for future vehicle maintenance.

Installation and Maintenance Tips

When replacing the battery tray in the rear of a Mercedes E-Class, pay attention to the condition of the body's mounting surfaces, the mounting points, and the routing of ground and power cables. It is recommended to:

• clean and apply anti-corrosion protection to the mounting area,
• check the condition of the battery clamps and pressure elements,
• verify the correct routing of cables after installing the tray,
• confirm the battery's stability after tightening all fasteners.

This approach allows for restoring the correct operating conditions for the battery in a single installation process and reducing the risk of future electrical system issues.

Power Supply System Expansion and Part Selection

If you are planning a comprehensive repair or upgrade of the power supply area in the rear of your Mercedes and need other parts from the same group, such as brackets, mounts, or additional battery covers, check the available parts in the Mercedes Battery Accessories category.

More practical information on when to choose a used original part over an aftermarket alternative can be found in the article 5 Reasons Why a Used OEM Part is a Better Choice Than an Aftermarket Replacement, which will help you plan your vehicle's power supply system repair with confidence.