12v 120a Alternator For Mercedes-Benz

12V 120A Alternator For Mercedes-Benz – Precision Engineered for Peak Performance

Our OEM-grade 12v 120a Alternator For Mercedes-Benz provides steady power. Wuxi Xitu Industry and Trade Co., Ltd. manufactures this alternator with IATF 16949 certification and 20 years of vehicle electrical experience.

Designed for Mercedes-Benz 200, C 160, C 180, C 200, C 230, CLK 200, and SLK 200 cars, this unit delivers constant 12V output with 120A capacity. Created in our 20,000 m² factory with precise copper windings and aluminium casing, each alternator is tested utilising 50+ modern inspection systems. With compatibility for several OEM numbers (0124515088, 0986045380, A2711540202, and more), our 6-month warranty guarantees fitting and performance that meets or surpasses OEM standards.

What Is a 12V 120A Alternator For Mercedes-Benz?

Products are high-performance electromechanical devices that turn crankshaft energy into electricity. This part is designed for Mercedes-Benz passenger cars and light commercial vehicles' complex electrical designs.

This 120-amp alternator maintains battery charge at 12 volts nominal. Engine management, temperature control, and enhanced infotainment are powered by it.

Professional automotive alternators solve key issues. Avoids voltage fluctuations that cause complicated ECU error codes. Despite high engine bay temperatures, the design is dependable. Importantly, it allows accurate CAN-bus connection for smooth vehicle Power Management Module communication.

Technical Specifications

Our product is built to exacting standards. Here are the detailed specifications:

Key Technical Properties and Advantages

Superior Engineering Design

Precision engineering and sturdy material science determine this alternator's technological characteristics. Electrolytic copper windings of high quality maximise conductivity and minimise resistance. Heavy-duty silicon rectifiers efficiently convert AC to DC.

An Overrunning Alternator Pulley is a major benefit. This decoupler pulley greatly decreases belt drive vibration. It protects engine accessories and extends tensioning system life.

Enhanced Thermal Management

Our devices have dual internal fans for better cooling. Die-cast aluminium housing is strong-to-weight. Due to its corrosion resistance to road salts and moisture, its structure is durable.

High-specification bearings can handle 18,000 RPMs. This provides quiet, smooth alternator functioning throughout its life. All units meet or exceed OE specifications like IATF 16949.

Manufacturing Excellence

We prioritise quality control with an annual manufacturing capacity of over 500,000 pieces in our 20,000 m² facility. Over 50 precise production and testing machines guarantee product quality. Every alternator is fresh and made with OEM parts.

Our expert R&D team optimises product structure and performance. This devotion improves stability and durability beyond industry norms. We customise for market and customer needs.

Applications of 12V 120A Alternator For Mercedes-Benz

The 12v 120a Alternator For Mercedes-Benz performs admirably in a variety of difficult conditions. Understand these uses to understand their flexibility.

Urban Luxury Sedans

Your battery stays charged in stop-and-go city traffic with the 120A output. Low idle rates result in dependable performance with high loads like electric power steering, heated seats, and modern infotainment systems.

Light Commercial Vehicles

For delivery fleet Mercedes Sprinter vans, this alternator must withstand high-duty cycles. Even in confined engine compartments, it maintains supplementary equipment without overheating. Our design fulfils strict commercial standards.

Extreme Climate Performance

Performance is tested at extreme temperatures. The inbuilt voltage regulator provides a steady output curve from -40°C arctic beginnings to +125°C engine bay soak temperatures. German-engineered sensors and control modules are protected against electrical surges.

Long-Distance Touring

Consistent charging performance is essential for Mercedes-Benz cars used on lengthy highway trips. Without voltage drop or heat deterioration, our alternator powers all vehicle systems for long durations.

Rigorous Quality Control Process

Our 12v 120a Alternator For Mercedes-Benz undergoes Tier-1 automotive quality control with many inspection stages. This guarantees a faultless product.

Dynamic Balance Testing

Dynamic balancing testing eliminates noise and vibration in every rotor. This method provides smooth functioning at all RPMs, improving passenger comfort and component life.

Performance Curve Mapping

Comprehensive testing checks 120A output at 6,000 RPM. We also verify sufficient output at idle speeds (70-80A). This gives your Mercedes-Benz enough power even when the engine is sluggish.

High-Voltage Insulation Testing

Stress-based hi-pot testing assesses winding integrity. This method detects insulating problems before the alternator leaves our plant, saving field failures.

Environmental Durability

ASM B117 salt spray testing assesses casing and fastener corrosion resistance. Thermal cycling endurance tests run the device at full load under severe temperatures. Internal regulator and diode thermal runaway and premature breakdown are prevented by these tests.

Final Inspection

Each product is thoroughly inspected before packing. Visual inspection, electrical performance testing, and fitting testing. We only send alternators that fulfil our high standards.

FAQ

Q1. Can a product replace a 90A unit?

Yes, a 120A unit gives more power for more gadgets. This helps if you've installed aftermarket equipment or increased your vehicle's electrical needs. Before installing, check the mounting points and plug arrangement for your model.

Q2: Why does my Mercedes show a 'Battery Not Charging' warning even if the alternator is new?

This typically affects LIN-bus protocols. Check the alternator's voltage regulator for vehicle communication protocol compatibility. Some Mercedes-Benz vehicles need computer-connected alternators.

Q3: How does the OAP pulley help this alternator?

If engine speed dips unexpectedly, the Overrunning Alternator Pulley lets the alternator 'freewheel'. This eliminates belt slip and decreases serpentine belt mechanical stress. This extends belt life and lowers maintenance expenses.

Q4: Why is 120A important?

At operational temperature and RPMs, the alternator can safely generate 120A as its maximum current. Your vehicle's electrical load—including standard and auxiliary systems—is met with a safe margin.

Q5: How is the voltage regulator tested?

To maintain 14.4V regardless of amperage consumption, regulators are full-load tested. Mercedes-Benz SAM modules and other critical electrical system control units are protected by this stability.

Q6: Does this alternator fit all Mercedes-Benz models?

This alternator fits Mercedes-Benz 200, C 160, C 180, C 200, C 230, CLK 200, and SLK 200. Always check compatibility with OEM numbers or our technical support staff.

Q7: Do you offer warranties?

A thorough 6-month warranty is included. Non-human-induced quality faults are properly fixed or replaced for free during this time. We trust our goods' dependability and durability.

Why Choose XITU for Your Alternator Needs?

Two Decades of Expertise

Wuxi Xitu has over 20 years of industry expertise and is reliable. Our crew knows how important alternators are in Mercedes-Benz electrical systems. We use this information in all our design and manufacturing.

Certified Manufacturing Standards

IATF 16949 and ISO 9001 certifications show our quality dedication. These worldwide standards control production from raw material selection to final testing. Rest assured that each alternator fulfils strict automotive standards.

Global Market Recognition

Our goods are sold throughout North America, South America, Europe, Russia, and more. This global reach indicates our alternators work reliably in all temperatures and operational settings. Our reliable and competitive products are recognised by international automakers.

Customer-Focused Service

We offer prompt technical assistance and after-sales service. Our specialised team answers installation, troubleshooting, and warranty enquiries quickly. We prioritise customer happiness and vehicle performance.

Competitive Value

We offer affordable prices without sacrificing quality due to optimised manufacturing and supply chain management. Our 500,000+ yearly unit capacity provides steady lead times and product availability for your corporate or personal needs.

Contact Us

Ready to ensure reliable power for your Mercedes-Benz with 12v 120a Alternator For Mercedes-Benz? Contact our professional team for technical guidance, compatibility confirmation, or order placement.

Email: arisa@xitu-auto.com