Bosch SR0503N Starter

Reliable Starter for Mercedes-Benz Vehicles

The Bosch Starter (New) SR0503N is designed to provide dependable starting power for select Mercedes-Benz models. Engineered to meet original equipment specifications, this 12-volt starter ensures consistent performance for your C300, C350, E300, E350, and GLK350 vehicles.

• Voltage: 12V for standard automotive electrical systems
• Power Rating: 2 (unit unspecified, matches OEM requirements)
• Mounting Bolt Hole Quantity: 2 for secure installation
• Nose Cone Material: Durable aluminum with a closed nose design
• Starter Rotation: Clockwise to match vehicle specifications
• Solenoid Attached: Yes, integrated for efficient operation
• Tooth Quantity: 10 for proper engagement with flywheel
• Product Length: Approximately 9.76 inches for correct fitment
• New unit recommended by OE standards

About the Bosch Starter (New) Product Line

The Bosch Starter (New) line focuses on delivering brand-new starters that meet or exceed original equipment manufacturer standards. This product line emphasizes quality materials and precise engineering, ensuring compatibility and reliable starting performance for vehicles like the Mercedes-Benz C300 and E350. The SR0503N starter is part of this line, offering a fresh, unused component designed for long-term durability.

Detailed Product Description

The SR0503N starter features a robust aluminum nose cone with a closed nose type, providing protection against debris and environmental factors. Its clockwise rotation and 10-tooth pinion gear are tailored to fit the starter system of Mercedes-Benz models including the C300, C350, E300, E350, and GLK350. The integrated solenoid streamlines the starting process by engaging the starter motor promptly. With two mounting bolt holes, this starter ensures a secure and stable installation. The 12-volt electrical system compatibility aligns with standard vehicle requirements, making it a direct replacement part.

Common Issues Addressed by This Starter

• Failure to start or slow engine cranking
• Intermittent starting problems in Mercedes-Benz C300 and E350
• Worn or damaged starter motor components
• Electrical faults related to starter solenoid
• Replacement for remanufactured or faulty original starters

Installation Notes and Tips

Ensure the vehicle battery is fully charged before installation. The SR0503N starter requires two mounting bolts for secure attachment; verify bolt torque specifications according to the vehicle service manual. Since mounting hardware and shims are not included, reuse existing components or source appropriate replacements. Confirm the starter rotation and tooth count match the original part to avoid compatibility issues. Professional installation is recommended for optimal performance and safety.

Quality Assurance and Warranty

This Bosch starter is a new unit recommended by original equipment manufacturers, ensuring it meets strict quality and performance standards. While specific warranty details are not provided here, Bosch products typically come with manufacturer-backed warranties covering defects in materials and workmanship. Refer to Bosch or authorized distributors for exact warranty terms.