Bosch S6588B Vehicle Battery

Bosch AGM Battery for Start-Stop Vehicles

The Bosch S6588B is a 12-volt AGM vehicle battery built for modern cars and trucks with start-stop systems, high electrical demand, and frequent short-trip driving. With 850 CCA, 92 amp hours, and 170 reserve capacity, it delivers dependable starting power for applications such as Audi Q7, BMW X5, Mercedes-Benz GLE450, and Porsche Cayenne.

As a Bosch AGM - Valve Regulated battery, the S6588B uses absorbed glass mat construction, a sealed design, and maintenance-free operation for consistent performance in demanding charging systems.

Key Features

• 12V AGM battery with 92 Ah capacity
• 850 cold cranking amps and 975 cranking amps
• 170 reserve capacity for extended electrical support
• Maintenance-free, valve-regulated construction
• Full-frame grid design for improved durability and reliability
• Flush top design to reduce acid leakage risk
• Built for stop-and-go traffic and short-trip use
• OE-style fitment for Group 49 applications

Product Details

The Bosch S6588B is engineered for vehicles that require stable power delivery and strong recharge acceptance. Its AGM design helps support repeated starts, accessory loads, and the electrical demands found in late-model luxury SUVs, performance sedans, and commercial vans. This part number is commonly selected for OE Group 49 applications where an AGM valve-regulated battery is specified. The Bosch S6588B also appears in fitment for Audi A8 Quattro, BMW X7, Mercedes-Benz Sprinter 2500, and Volkswagen Arteon applications that call for this battery type.

This part cross-references applications commonly associated with Bosch S6588B and OE Group 49 battery requirements.

Common Issues It Can Address

• Slow cranking or weak starts after short drives
• Battery performance loss in stop-start traffic
• Voltage instability from high accessory loads
• Reduced reliability in vibration-prone driving conditions
• Replacement needs for AGM-equipped OE battery systems

Installation Notes and Tips

• Verify BCI Group Size 49, top terminal layout, and AGM battery requirement before installation.
• Many listed vehicles require battery registration or a system reset after replacement.
• Check venting requirements on vehicles with trunk, cargo-area, or under-seat battery locations.
• Confirm the original battery specification, especially on models with multiple OE battery options.
• Use the vehicle scan tool procedure recommended by the manufacturer when applicable.

Quality Assurance

Bosch backs the S6588B with a 4-year free replacement warranty and roadside assistance coverage. The battery is built with robust internal connections, micro-fiber glass mat separators, and a sealed AGM design to support long service life and dependable OE-level performance.