Mercedes-Benz C-Class Convertible 2021 Operator's Manual page 497

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Vehicle operation
Outside the USA or Canada..................... 23
Vehicle tool kit
TIREFIT kit............................................. 336
Towing eye............................................ 350
Ventilating
Convenience opening.............................. 80
Ventilation
see Climate control
Vents
see Air vents
Video mode
Activating.............................................. 298
Activating/deactivating full-screen
mode..................................................... 300
Overview............................................... 300
Settings................................................. 301
VIN
Identification plate................................ 387
Seat....................................................... 387
Windshield............................................. 387
Vision
Removing condensation from the
windows................................................. 121
Voice command types (Voice Control
System)...................................................... 207
Voice Control System
Application specific voice commands.... 207
Audible help functions........................... 208
Global voice commands........................ 207
Improving speech quality...................... 208
Language setting................................... 207
Media player voice commands............... 214
Message voice commands..................... 216
Multifunction steering wheel (operat‐
ing)........................................................ 206
Navigation voice commands.................. 210
Operable functions................................ 207
Operating safety.................................... 206
Radio voice commands.......................... 213
Switch voice commands........................ 208
Telephone voice controls....................... 213
Text message voice commands............. 216
Types of voice commands..................... 207
Vehicle voice commands....................... 217
Voice prompting.................................... 207
Voice control system
see Voice Control System
W
Warning lamps
see Warning/indicator lamps
Warning system
see ATA (anti-theft alarm system)
Warning triangle
Removing.............................................. 333
Setting up.............................................. 334
Warning/indicator lamp
! ABS warning lamp........................ 458
J Brake system warning lamp
(Canada only)........................................ 456
$ Brake warning lamp (USA only).... 456
J Brakes warning lamp (yellow)
(Canada only)........................................ 455
ÿ Coolant warning lamp................... 451
! Electric parking brake indicator
lamp (red) (Canada only)....................... 454
F Electric parking brake indicator
lamp (red) (USA only)............................ 454
Index 495

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Questions and answers

Richard Zimmer
February 13, 2025

I got a message saying my 12 V battery is very low and needs to be recharged.. It referred me to my owner's manual, but I couldn't find any instructions in it on recharging the battery.

1 comments:
Mr. Anderson
May 14, 2025

To recharge the 12 V battery in a 2021 Mercedes-Benz C-Class Convertible:

- Always use the jump-start connection point in the engine compartment.
- Only use a battery charger with a maximum charging voltage of 14.8 V.
- Ensure sufficient ventilation during the charging process.
- Avoid fire, open flames, sparks, and smoking.
- Never place metal objects or tools on the battery.
- Follow the correct order when connecting and disconnecting battery clamps.

If you need to disconnect the 12 V battery, contact a qualified specialist workshop.

This answer is automatically generated

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