Bosch GDR, GDX, GDS 18V-210 C Professional Cordless Impact Driver Instructions
Quick guide for the Bosch 18V-210 C series impact drivers, covering connectivity, mode settings, and operational procedures for various fastener types.
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This document provides essential operational instructions for the Bosch GDR, GDX, and GDS 18V-210 C Professional impact drivers. It focuses on configuring the tool's electronic modes, utilizing Bluetooth connectivity for advanced settings, and understanding the automatic shut-off and slow-down features for different fastener applications.
Connectivity and Setup
The tool supports Bluetooth connectivity via the GCY42 module. To enable advanced features and custom modes, install the GCY42 module into the designated slot on the tool and connect it to the Bosch app on your smartphone.


Operating Modes
The tool features a control panel allowing you to switch between different speed settings and application modes:

- Speed Settings: Toggle between three speed levels using the SPEED button.
- Mode A: Optimized for self-tapping screws.
- Mode B: Optimized for wood screws.
Application Procedures
The tool automatically adjusts performance based on the selected mode to prevent damage to fasteners or materials:
- Self-tapping screws (Mode A): The tool features an auto slow-down function and auto shut-off to ensure precise fastening.
- Wood screws (Mode B): Similar to Mode A, the tool manages speed and torque to prevent over-driving.
- Bolts: When working with bolts, the tool can be configured for auto bolt release, auto slow-down, or timed shut-off to prevent over-tightening or stripping.
Manufacturer information
Bosch
Practical help
Common problems
Ensure the correct mode (A or B) is selected for the fastener type or use the app to configure auto shut-off settings.
Check if the auto shut-off feature is active or if the tool has reached the programmed limit for the current task.
Before use
- Ensure the GCY42 Bluetooth module is correctly installed if using app-based features.
- Check that the battery is fully charged and securely attached.
- Select the appropriate mode (A or B) based on the fastener type (self-tapping, wood, or bolt).
- Verify the speed setting is appropriate for the material.
Images and diagrams
- The control panel allows switching between speed levels 1-3 and modes A/B.
- The app interface allows for custom configuration of auto-stop and auto-slow-down parameters.
- Visual indicators on the tool show active mode and connectivity status.
Model compatibility
- Compatible with GCY42 Bluetooth module for advanced mode configuration.
- Designed for use with 18V Bosch Professional battery systems.
Manual page author
Michael Turner
Technical manual editor
Reviews PDF manuals for structure, safety notes, and practical product details so readers can find the right information quickly.