Mercedes W176 W212 Battery Backup Relay OEM Replacement

Restore the reliability of your Mercedes-Benz electrical system with this OEM Battery Backup Relay. Designed for selected Mercedes-Benz W176 A-Class and W212 E-Class models, this relay plays an important role in managing battery power distribution and ensuring the correct operation of the vehicle's electrical system.

Manufactured to OEM specifications, this replacement relay provides dependable performance, direct fitment and seamless integration with your Mercedes electrical system. It is ideal for replacing faulty or intermittent relays that can cause battery management and electrical faults.

Key Features

• OEM quality battery backup relay.
• Designed for selected Mercedes-Benz W176 and W212 models.
• Direct replacement for the original relay.
• Factory-style electrical connectors.
• High-quality construction for long service life.
• Reliable switching performance.
• Designed to OEM specifications.
• Simple plug-and-play installation on compatible vehicles.

Benefits

• Restores reliable electrical system operation.
• Supports correct battery management functions.
• Helps eliminate intermittent electrical faults.
• Maintains OEM performance and reliability.
• High-quality replacement for worn or failed relays.
• Suitable for preventative maintenance and repairs.

Vehicle Compatibility

• Mercedes-Benz A-Class W176 – selected models.
• Mercedes-Benz E-Class W212 – selected models.

Please verify compatibility using your VIN number, existing relay part number or vehicle build information before purchasing. Fitment may vary depending on production date and vehicle equipment.

Common Symptoms of a Faulty Battery Backup Relay

• Battery or charging system warning messages.
• Intermittent electrical faults.
• Vehicle electrical accessories operating incorrectly.
• Power supply interruptions.
• Battery management system errors.
• Diagnostic fault codes relating to power distribution.

Installation Information

• Professional installation is recommended.
• Disconnect the vehicle battery before replacing electrical components.
• Clear any stored diagnostic fault codes after installation if required.
• Inspect wiring and connectors for signs of damage or corrosion.
• Always confirm compatibility before installation.

Why Choose an OEM Battery Backup Relay?

OEM electrical components are engineered to meet Mercedes-Benz factory specifications for reliability, durability and seamless integration. Replacing a faulty battery backup relay with an OEM-quality unit helps maintain stable electrical operation, dependable battery management and long-term system reliability.