WAI 11215N Alternator

Reliable Alternator for Select Mercedes-Benz Models

The WAI 11215N alternator is designed to provide consistent electrical charging performance for various Mercedes-Benz vehicles. Engineered with an internal fan and regulator, this alternator supports the demanding electrical systems of models like the C230, C280, and SLK350.

• 12-volt electrical system compatibility
• Internal fan type for efficient cooling
• Clockwise (right) rotation direction
• Includes a 6-groove serpentine pulley
• Internal voltage regulator for stable output
• 150 amp amperage rating suitable for high electrical loads
• Compatible with multiple Mercedes-Benz models including C300, CLK350, and E350

Technical Details and Features

The WAI 11215N alternator belongs to the Bosch family of components, ensuring compatibility with original equipment specifications. Its internal fan design helps maintain optimal operating temperatures, while the internal regulator manages voltage output to protect your vehicle's electrical system. The included pulley features six grooves designed for serpentine belts, supporting smooth power transmission. This alternator rotates clockwise (right), matching the OEM rotation direction for proper fitment and function. With a 150 amp rating, it can handle the electrical demands of Mercedes-Benz models such as the SLK280 and C350.

Compatible Mercedes-Benz Models

This alternator is compatible with the following Mercedes-Benz vehicles:

• C230
• C280
• C300
• C350
• CLK350
• E350
• SLK280
• SLK300
• SLK350

Common Applications and Issues Addressed

• Replacement for failing or underperforming alternators in Mercedes-Benz C-Class and SLK models
• Resolves battery charging problems and electrical system malfunctions
• Addresses dimming headlights and electrical accessory failures
• Prevents vehicle stalling due to insufficient alternator output
• Eliminates warning lights related to charging system faults

Installation Notes and Tips

Ensure the serpentine belt is properly aligned with the 6-groove pulley during installation. Verify the alternator rotation direction matches the vehicle’s requirements (clockwise/right). Since this alternator includes an internal voltage regulator, external regulators are not necessary. It is recommended to inspect the battery and electrical connections for corrosion or damage before installation to ensure optimal performance.

Quality Assurance and Warranty

The WAI 11215N alternator is manufactured to meet or exceed OEM standards, providing reliable performance for Mercedes-Benz vehicles. While specific warranty details are not provided here, WAI products typically come with a limited warranty covering defects in materials and workmanship. Consult the product documentation or supplier for exact warranty terms.