Stihl RMA 448 VC - User Manual

Questions and Answers

A
acevedotinaNov 25, 2025
Why is my Stihl Lawn Mower not starting?
- C
  Charles FloresNov 25, 2025
  Your Stihl Lawn Mower might not start due to several reasons. The battery charge might be too low, in that case charge the battery. The battery could also be too warm or cold, so pull out the activation key, remove the battery, and allow it to cool down or warm up. There may be a fault in the lawn mower; in this case, pull out the activation key, remove the battery, clean the electric contacts, fit the battery and switch the lawn mower on. If 3 LEDs still flash red, consult a STIHL specialist dealer. The lawn mower might be too warm, so pull out the activation key, remove the battery, and allow the lawn mower to cool down. If there is a fault in the battery, remove it and fit it again, then switch the lawn mower on. If 4 LEDs still flash red, consult a STIHL specialist dealer. The electric...
J
joseph45Aug 25, 2025
What to do if battery gets stuck in Stihl RMA 448 VC?
- C
  Caitlin SalinasAug 25, 2025
  If the battery of your Stihl Lawn Mower gets stuck when fitting it into the battery compartment, the guides or electric contacts might be dirty. Clean the lawn mower.
S
Sheryl MorganAug 25, 2025
Why my Stihl Lawn Mower won't start?
- T
  Tanya AndradeAug 26, 2025
  Your Stihl Lawn Mower might not be starting because the battery charge is too low. Try charging the battery. Alternatively, the battery could be too warm or too cold. In this case, pull out the activation key, remove the battery, and allow it to cool down or warm up before trying again.
M
Mr. Corey GoldenAug 27, 2025
What to do if the battery of my Stihl RMA 448 VC is damaged?
- R
  raymadelineAug 27, 2025
  If the battery of your Stihl Lawn Mower has a malfunction or is damaged, replace the battery.
J
Jonathan WuAug 28, 2025
Why does my Stihl RMA 448 VC Lawn Mower stop during operation?
- D
  David LeeAug 28, 2025
  If your Stihl Lawn Mower stops during operation, it could be overheating. To resolve this, pull out the activation key, remove the battery, allow the lawn mower to cool down, and clean it. Also, avoid switching the lawn mower on too frequently within a short time.
C
christopherperezSep 15, 2025
What to do if 3 LEDs are flashing red on my Stihl Lawn Mower?
- S
  Stephanie DunnSep 15, 2025
  If you see 3 LEDs flashing red on your Stihl Lawn Mower, there may be a fault. First, pull out the activation key and remove the battery. Clean the electric contacts in the battery compartment, then re-fit the battery and switch the lawn mower on. If the 3 LEDs continue to flash red, do not use the lawn mower.
J
Jose TorresSep 13, 2025
Why is my Stihl RMA 448 VC Lawn Mower not charging?
- D
  David KimSep 13, 2025
  If charging fails to start after fitting the battery into the charger of your Stihl Lawn Mower, the battery may be too warm or too cold. Leave the battery inserted in the charger; charging will start automatically once it reaches the correct temperature.
L
lindsaybeanSep 14, 2025
What to do if my Stihl RMA 448 VC stops while mowing?
- W
  William MasseySep 14, 2025
  If your Stihl Lawn Mower stops during operation, it may be overheating. To resolve this, pull out the activation key, remove the battery, and allow the lawn mower to cool down. Also, clean the lawn mower and avoid switching it on too frequently within a short time. If you are using self-propulsion, try switching it off.
H
Heidi SanchezSep 6, 2025
Why does my Stihl Lawn Mower vibrate so much?
- P
  potterkariSep 6, 2025
  If your Stihl Lawn Mower vibrates excessively during operation, it's possible that the blade fastening screw is loose. You should tighten the screw.
M
micheal57Sep 3, 2025
What to do if my Stihl RMA 448 VC Lawn Mower blade is damaged?
- A
  Abigail OconnorSep 4, 2025
  If your Stihl Lawn Mower or its blade is damaged, do not use it and contact your STIHL servicing dealer for assistance.

Summary

1 Introduction

2.1 Applicable Documents

Lists essential documents and safety information required for operation.

2.2 Warning Notices in Text

Explains the meaning of DANGER, WARNING, and NOTICE symbols in the manual.

2.3 Symbols in Text

Clarifies symbols used within the instruction manual for better comprehension.

3 Overview

3.1 Lawn Mower and Battery

Provides a detailed overview and identification of lawn mower and battery components.

3.2 Symbols

Explains the meaning of symbols found on the lawn mower and battery.

4 Safety Precautions

4.1 Warning Symbols

Details the meaning of warning symbols displayed on the lawn mower and battery.

4.2 Intended Use

Defines the intended purpose and application of the lawn mower.

4.3 Requirements for the User

Outlines the necessary qualifications and conditions for the user to operate the mower safely.

4.4 Clothing and Equipment

Specifies appropriate clothing and personal protective equipment for safe operation.

4.5 Work Area and Surroundings

Provides safety guidelines for the work area and surroundings when operating the mower.

4.5.1 Lawn Mower

Ensures safety for the lawn mower within its work environment.

4.5.2 Battery

Details critical safety precautions related to the handling and use of the battery.

4.6 Safe Condition

Specifies conditions for the lawn mower and blade to be considered safe.

4.6.1 Lawn Mower

Specifies conditions for the lawn mower to be considered in a safe operating state.

4.6.2 Blade

Details conditions for the cutting blade to be considered in a safe operating state.

4.6.3 Battery

Outlines the conditions under which the battery is considered safe for use.

4.7 Working

Provides essential safety instructions and precautions for operating the lawn mower.

4.8 Transporting

Details how to safely transport the lawn mower and its battery, including precautions.

4.8.1 Lawn Mower

Details how to safely transport the lawn mower, including precautions.

4.8.2 Battery

Provides guidelines for the safe transport of the battery.

4.9 Storing

Specifies conditions and precautions for safely storing the lawn mower and battery.

4.9.1 Lawn Mower

Specifies conditions and precautions for safely storing the lawn mower.

4.9.2 Battery

Specifies the recommended conditions for storing the battery to maintain its health.

4.10 Cleaning, Maintenance and Repair

Covers essential procedures for cleaning, maintaining, and repairing the lawn mower.

5 Preparing the Lawn Mower for Operation

5.1 Preparing the Lawn Mower for Operation

Lists the essential steps to prepare the lawn mower before commencing work.

5.2 Connecting a battery with Bluetooth radio interface with the STIHL connected app

Guides on connecting the battery's Bluetooth® interface to the STIHL connected app.

6 Charging the Battery, LEDs

6.1 Charging the Battery

Explains the process and factors affecting battery charging time.

6.2 Displaying the Charge State

Describes how to check the battery's charge level using its LEDs.

6.3 LEDs on Battery

Explains the meaning of battery LEDs for charge status and malfunctions.

7 Activating and Deactivating Bluetooth Radio Interface

7.1 Activating the Bluetooth Radio Interface

Provides steps to activate the Bluetooth® radio interface on the battery.

7.2 Deactivating the Bluetooth Radio Interface

Details the procedure to deactivate the Bluetooth® radio interface on the battery.

8 Assembling the Lawn Mower

8.1 Attaching the Handlebar

Guides on how to correctly attach the lawn mower's handlebar.

8.2 Assembling, Attaching and Detaching the Grass Catcher Box

Explains how to assemble and attach the grass catcher box to the mower.

8.2.1 Assembling the Grass Catcher Box

Explains how to assemble the grass catcher box for the lawn mower.

8.2.2 Attaching the Grass Catcher Box

Details the process of attaching the assembled grass catcher box to the mower.

8.2.3 Detaching the Grass Catcher Box

Describes the steps for safely detaching the grass catcher box.

9 Adjusting the Lawn Mower for the User

9.1 Adjusting the Handlebar

Guides on adjusting the handlebar for user comfort and control.

9.2 Folding the Handlebar

Explains how to fold the handlebar for space-saving storage or transport.

10 Removing and Fitting the Battery

10.1 Fitting the Battery

Details the correct procedure for inserting the battery into the lawn mower.

10.2 Removing the Battery

Provides instructions on how to safely remove the battery from the lawn mower.

11 Inserting and Removing the Activation Key

11.1 Inserting the Activation Key

Guides on inserting the activation key to enable lawn mower operation.

11.2 Removing the Activation Key

Explains how to remove the activation key to prevent operation.

12 Switching the Lawn Mower On and Off

12.1 Activating and Deactivating the Blade

Details the procedure for activating and deactivating the lawn mower's blade.

12.1.1 Activating the Blade

Details the procedure for activating the lawn mower's blade.

12.1.2 Deactivating the Blade

Explains how to deactivate the lawn mower's blade.

12.2 Switching the Drive On and Off

Guides on switching the lawn mower's drive system on and off.

12.2.1 Engaging Self-propulsion

Guides on engaging the self-propulsion feature for easier movement.

12.2.2 Deactivating Drive System

Details how to deactivate the lawn mower's drive system.

13 Checking the Lawn Mower and Battery

13.1 Checking the Controls

Outlines procedures for checking the functionality of all lawn mower controls.

13.2 Checking the Blade

Provides steps for inspecting the cutting blade for wear and damage.

13.3 Testing the Battery

Explains how to test the battery's condition and functionality.

14 Operating the Lawn Mower

14.1 Holding and Guiding the Lawn Mower

Demonstrates the correct way to hold and guide the lawn mower during operation.

14.2 Adjusting the Cutting Height

Guides on setting the desired cutting height for the grass.

14.3 Activating ECO Mode

Explains how to activate ECO mode to optimize battery life.

14.4 Mowing

Provides instructions and tips for efficient and safe mowing.

14.5 Emptying the Grass Catcher Box

Details the procedure for emptying the grass catcher box when it is full.

15 After Finishing Work

15.1 After Finishing Work

Lists essential tasks to perform after completing mowing operations.

16 Transporting

16.1 Transporting the Lawn Mower

Provides instructions for safely transporting the lawn mower.

16.2 Transporting the Battery

Details safe practices for transporting the battery, including packaging.

17 Storing

17.1 Storing the Lawn Mower

Outlines the correct conditions and precautions for storing the lawn mower.

17.2 Storing the Battery

Specifies the recommended conditions for storing the battery to maintain its health.

18 Cleaning

18.1 Placing the Lawn Mower in the Cleaning Position

Guides on positioning the lawn mower for effective cleaning.

18.2 Cleaning the Lawn Mower

Details the process for cleaning the lawn mower after use.

18.3 Cleaning the Battery

Provides instructions for cleaning the battery.

19 Maintenance

19.1 Removing and Attaching the Blade

Guides on safely removing and attaching the cutting blade.

19.1.1 Removing the Blade

Guides on how to safely remove the cutting blade.

19.1.2 Attaching the Blade

Details the procedure for safely attaching the cutting blade.

19.2 Sharpening and Balancing the Blade

Explains the importance and process of sharpening and balancing the blade.

20 Repairing

20.1 Repairing the Mower and Battery

Advises on when and how the mower and battery can be repaired.

21 Troubleshooting

21.1 Remedy Lawn Mower or Battery Faults

Provides solutions for common faults encountered with the lawn mower or battery.

22 Specifications

22.1 STIHL RMA 443.2 VC, RMA 443.2 PV, RMA 448.2 VC, RMA 448.2 PV Lawn Mower

Lists detailed technical specifications for the various lawn mower models.

22.2 Blade

Provides technical details and dimensions for the lawn mower blade.

22.3 STIHL AP battery

Details the technical specifications of the STIHL AP battery.

22.4 Sound Values and Vibration Values

Presents sound pressure and vibration level data for the lawn mower.

22.5 REACH

Information regarding REACH compliance for chemical substances.

23 Spare Parts and Accessories

23.1 Spare parts and accessories

Recommends using original STIHL spare parts and accessories for reliability.

23.2 Essential Spare Parts

Lists essential spare parts like blades and screws with their part numbers.

24 Disposal

24.1 Disposing of the Lawn Mower

Provides guidance on the proper disposal of the lawn mower and its impact.

25 EC Declaration of Conformity

25.1 STIHL RMA 443.2 VC, RMA 443.2 PV, RMA 448.2 VC, RMA 448.2 PV Lawn Mower

Declares conformity of the lawn mower with relevant EC directives and standards.

26 UKCA Declaration of Conformity

26.1 STIHL RMA 443.2 VC, RMA 448.2 VC Lawn Mower

Declares conformity of the lawn mower with relevant UK regulations and standards.

27 Safety Information for Lawn Mowers

27.1 Introduction

Introduces general safety instructions based on EN 60335-2-77 standard.

27.2 Training

Emphasizes the importance of reading the manual and understanding controls.

27.3 Preparatory Measures

Details essential preparatory measures for safe lawn mower operation.

27.4 Handling

Provides crucial handling and operational safety guidelines for using the mower.

27.5 Maintenance and Storage

Covers safety aspects of maintenance, storage, and checking parts.

Stihl RMA 448 VC Specifications

General

Type	Walk behind lawn mower
Cutting width	460 mm
Grass catcher	Yes
Product color	Black, Grey, Orange
Uncertainty K	0.9 m/s²
Number of wheels	4 wheel(s)
Rotational speed	3150 RPM
Maximum lawn area	400 m²
Mulching function	-
Sound power level	94 dB
Handle(s) features	Foldable
Vibration emission	1.8 m/s²
Sound pressure level	80 dB
Maximum cutting height	75 mm
Minimum cutting height	25 mm
Grass collecting volume	55 L
Power source	Battery
Power consumption (typical)	1050 W