Valeo 438491 Starter Motor

Reliable Starter for Mercedes-Benz Vehicles

The Valeo Starter 438491 is engineered to provide dependable starting power for select Mercedes-Benz models. Designed with a 12-volt PMGR system and a clockwise rotation, this starter ensures consistent engine engagement for vehicles like the C300, E350, and S550.

• 12-volt electrical design for standard automotive systems
• Permanent magnet gear reduction (PMGR) design for efficient power delivery
• 1.2 kW power rating suitable for medium to large engines
• Clockwise starter rotation compatible with specific Mercedes-Benz engines
• 9-tooth pinion gear for precise engagement
• Technical number Ts12112 for accurate identification

Detailed Product Features and Specifications

This Valeo Starter 438491 is part of the Starter brand line, which focuses on delivering reliable and efficient starting components for a range of vehicles. The PMGR (Permanent Magnet Gear Reduction) design enhances torque output while reducing weight and size compared to traditional starters. Operating at 12 volts with a power rating of 1.2 kW, this starter is optimized for smooth engine cranking. The clockwise rotation and 9-tooth pinion gear ensure compatibility with the starter drive system of Mercedes-Benz models such as the CL550, GLK350, and E550.

Compatible Mercedes-Benz Models and Applications

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

• Mercedes-Benz C300
• Mercedes-Benz CL550
• Mercedes-Benz E350
• Mercedes-Benz E550
• Mercedes-Benz GLK350
• Mercedes-Benz S550

It is designed to replace worn or faulty starters that cause issues such as slow engine cranking or failure to start.

Common Issues Addressed by Valeo Starter 438491

• Engine fails to crank or starts intermittently
• Grinding or unusual noises during engine start
• Slow or labored engine cranking
• Starter motor overheating or electrical faults
• Failure to engage the flywheel properly

Installation Notes and Tips

When installing the Valeo Starter 438491, ensure the vehicle battery is fully charged and disconnected to prevent electrical shorts. Verify the clockwise rotation matches the original starter's specifications. Check the 9-tooth pinion gear engagement with the flywheel to avoid premature wear. It is recommended to inspect related electrical connections and replace any corroded wiring or terminals during installation.

Quality Assurance and Warranty Information

Valeo's Starter brand line is known for meeting OEM standards in design and durability. The Starter 438491 undergoes rigorous testing to ensure reliable performance in demanding conditions. While specific warranty details may vary, Valeo typically offers coverage against manufacturing defects to provide confidence in product quality.