Description

Mercedes Benz Auxiliary 1.2Ah 12V Battery (N0000000040390)

Mercedes Benz Auxiliary 1.2Ah 12V Battery – Backup Power for Essential Electronic Modules

The Mercedes Benz Auxiliary 1.2Ah 12V Battery (N0000000040390) is a genuine OEM replacement designed to supply uninterrupted power to essential vehicle systems. This battery ensures the smooth operation of components such as the emergency call module (eCall), electronic parking brake, diagnostic memory, and data storage units, especially when the main starter battery is temporarily unavailable or replaced.

Compact and efficient, this 12V auxiliary battery delivers 1.2 amp-hours of backup capacity, providing consistent low-current support for your vehicle’s electronics. It is typically used in Mercedes-Benz hybrid and plug-in hybrid models, and newer vehicles with advanced onboard electronics. The N0000000040390 battery is fully sealed, maintenance-free, and optimized for long-term performance.

This model meets stringent Mercedes-Benz quality standards and features VRLA (Valve Regulated Lead Acid) technology for safety, reliability, and compact installation. It is the same factory-fitted battery used in many C-Class, E-Class, GLC, and S-Class models across Kenya and globally.

Key Features of Mercedes Auxiliary 1.2Ah 12V Battery

• OEM Certified: Genuine Mercedes-Benz part (Part No. N0000000040390)

• Reliable Backup Support: Prevents data loss during voltage drops or main battery replacement

• 1.2Ah VRLA Technology: Leak-proof, maintenance-free design

• Left Positive Polarity: Standard terminal configuration for quick replacement

• Compact & Lightweight: Fits easily into tight compartments

• Protects Critical Systems: Supports ECUs, alarm systems, and safety modules

Battery Specifications

Compatible Vehicles:

Mercedes-Benz Models Using Auxiliary Battery N0000000040390

• S-Class (W222) – S300h, S350d, S400h, S500 Plug-in Hybrid

• E-Class (W213, S213) – E300, E350e, E200 EQ Boost

• C-Class (W205, S205) – C300e, C350e, C200 EQ Boost

• GLC-Class (X253) – GLC300e 4MATIC, GLC350e

• GLE-Class (W166 Hybrid variants) – GLE500e

• CLS-Class (C257) – CLS350d, CLS450 EQ Boost

• EQ Boost Models – With mild hybrid M264 engine

• Sprinter and Vito Vans – With telematics and electronic safety modules

• Mercedes Plug-in Hybrid & EV Models – Where small auxiliary power is required

Verify compatibility using your vehicle’s VIN or consult your technician before purchase.

Delivery & Fitment

• Same-day delivery within Nairobi

• Nationwide delivery available

• Fitment support offered upon request