HELIX

HELIX Ci3 T20FM-TI + HELIX CFMK20 MB.1 Bundle

Speaker Adapter Bundle

£82.98
Available to order
Speaker Adapter Bundle SKU BUNDLE-CI21000-CI42004
Fitment Vehicle check available
Tech specs Available on request
Manuals/downloads Where supplied
Warranty Manufacturer backed
Check fitment before you order Send your vehicle details if you want TenderSounds to confirm mounting, depth and factory audio compatibility.
Why choose this product?

Matched speaker and vehicle-specific adapter bundle.

  • Speaker: HELIX Ci3 T20FM-TI (CI21000)
  • Adapter: HELIX CFMK20 MB.1 (CI42004)

Vehicle compatibility

Please check your make, model, year, sound system and speaker position before ordering.

  • Mercedes AMG GT X290 02/2018-today — Front Door (Advanced Sound System)
  • Mercedes AMG GT X290 02/2018-today — Front Door (Burmester Sound System)
  • Mercedes AMG GT X290 02/2018-today — Front Door (Standard Sound System with ASD)
  • Mercedes AMG GT X290 02/2018-today — Front Door (Standard Soundsystem)
  • Mercedes B-Klasse W247 01/2019-today — Front Door (Burmester Sound System)
  • Mercedes B-Klasse W247 01/2019-today — Front Door (Standard Soundsystem)
  • Mercedes C-Klasse A205 02/2016-today — Front Door (Advanced Sound System)
  • Mercedes C-Klasse A205 02/2016-today — Front Door (Burmester Sound System)
  • Mercedes C-Klasse C205 02/2014-01/2022 — Front Door (Advanced Sound System)
  • Mercedes C-Klasse C205 02/2014-01/2022 — Front Door (Burmester Sound System)
  • Mercedes C-Klasse C205 02/2014-01/2022 — Front Door (Standard Soundsystem)
  • Mercedes C-Klasse S205 02/2014-01/2022 — Front Door (Advanced Sound System)
  • Mercedes C-Klasse S205 02/2014-01/2022 — Front Door (Burmester Sound System)
  • Mercedes C-Klasse S205 02/2014-01/2022 — Front Door (Standard Soundsystem)
  • Mercedes C-Klasse S206 02/2021-today — Front Door (Advanced Sound System)
  • Mercedes C-Klasse S206 02/2021-today — Front Door (Burmester Sound System)
  • Mercedes C-Klasse S206 02/2021-today — Front Door (Standard Soundsystem)
  • Mercedes C-Klasse W205 02/2014-01/2022 — Front Door (Advanced Sound System)
  • Mercedes C-Klasse W205 02/2014-01/2022 — Front Door (Burmester Sound System)
  • Mercedes C-Klasse W205 02/2014-01/2022 — Front Door (Standard Soundsystem)
  • Mercedes C-Klasse W206 06/2021-today — Front Door (Advanced Sound System)
  • Mercedes C-Klasse W206 06/2021-today — Front Door (Burmester Sound System)
  • Mercedes C-Klasse W206 06/2021-today — Front Door (Standard Soundsystem)
  • Mercedes CLE 236 02/2023-today — Front Door (Advanced Sound System)
  • Mercedes CLE 236 02/2023-today — Front Door (Burmester Sound System)
  • Mercedes CLS C257 03/2018-today — Front Door (Burmester High-End 3D-Surround-Soundsystem)
  • Mercedes CLS C257 03/2018-today — Front Door (Burmester Sound System)
  • Mercedes CLS C257 03/2018-today — Front Door (Standard Soundsystem)
  • Mercedes E-Klasse All Terain X214 02/2023-today — Front Door (Advanced Sound System)
  • Mercedes E-Klasse All Terain X214 02/2023-today — Front Door (Burmester Sound System)
  • Mercedes E-Klasse All Terain X214 02/2023-today — Front Door (Standard Soundsystem)
  • Mercedes E-Klasse Cabrio A238 02/2017-06/2020 — Front Door (Burmester Sound System)
  • Mercedes E-Klasse Cabrio A238 02/2017-06/2020 — Front Door (Standard Soundsystem)
  • Mercedes E-Klasse Coupe C238 12/2016-06/2020 — Front Door (Burmester Sound System)
  • Mercedes E-Klasse Coupe C238 12/2016-06/2020 — Front Door (Standard Soundsystem)
  • Mercedes E-Klasse S213 02/2016-04/2023 — Front Door (Advanced Sound System)
  • Mercedes E-Klasse S213 02/2016-04/2023 — Front Door (Burmester Sound System)
  • Mercedes E-Klasse S213 02/2016-04/2023 — Front Door (Standard Soundsystem)
  • Mercedes E-Klasse S214 02/2023-today — Front Door (Advanced Sound System)
  • Mercedes E-Klasse S214 02/2023-today — Front Door (Burmester Sound System)
  • Mercedes E-Klasse S214 02/2023-today — Front Door (Standard Soundsystem)
  • Mercedes E-Klasse W213 05/2016-06/2020 — Front Door (Advanced Sound System)
  • Mercedes E-Klasse W213 05/2016-06/2020 — Front Door (Burmester High-End 3D-Surround-Soundsystem)
  • Mercedes E-Klasse W213 05/2016-06/2020 — Front Door (Burmester Sound System)
  • Mercedes E-Klasse W213 05/2016-06/2020 — Front Door (Standard Soundsystem)
  • Mercedes E-Klasse W213 Facelift 06/2020-06/2023 — Front Door (Advanced Sound System)
  • Mercedes E-Klasse W213 Facelift 06/2020-06/2023 — Front Door (Burmester High-End 3D-Surround-Soundsystem)
  • Mercedes E-Klasse W213 Facelift 06/2020-06/2023 — Front Door (Burmester Sound System)
  • Mercedes E-Klasse W213 Facelift 06/2020-06/2023 — Front Door (Standard Soundsystem)
  • Mercedes E-Klasse W214 07/2023-today — Front Door (Advanced Sound System)
  • Mercedes E-Klasse W214 07/2023-today — Front Door (Burmester High-End 4D-Surround-Soundsystem)
  • Mercedes E-Klasse W214 07/2023-today — Front Door (Burmester Sound System)
  • Mercedes E-Klasse W214 07/2023-today — Front Door (Standard Soundsystem)
  • Mercedes EQC N293 02/2019-today — Front Door (Burmester Sound System)
  • Mercedes EQC N293 02/2019-today — Front Door (Standard Soundsystem)
  • Mercedes EQE V295 01/2022-today — Front Door (Burmester Sound System)
  • Mercedes EQE V295 01/2022-today — Front Door (Standard Soundsystem)
  • Mercedes EQE X294 09/2022-today — Front Door (Advanced Sound System)
  • Mercedes EQE X294 09/2022-today — Front Door (Burmester Sound System)
  • Mercedes EQE X294 09/2022-today — Front Door (Standard Soundsystem)
  • Mercedes EQS V297 01/2021-today — Front Door (Advanced Sound System)
  • Mercedes EQS V297 01/2021-today — Front Door (Burmester Sound System)
  • Mercedes EQS V297 01/2021-today — Front Door (Standard Soundsystem)
  • Mercedes EQS X296 02/2022-today — Front Door (Burmester Sound System)
  • Mercedes EQS X296 02/2022-today — Front Door (Standard Soundsystem)
  • Mercedes G-Klasse W463_2019 05/2018-today — Rear (Burmester Sound System)
  • Mercedes G-Klasse W463_2019 05/2018-today — Rear (Standard Soundsystem)
  • Mercedes G-Klasse W465 02/2024-today — Front Door (Burmester Sound System)
  • Mercedes G-Klasse W465 02/2024-today — Front Door (Standard Soundsystem)
  • Mercedes GLB X247 02/2019-03/2023 — Front Door (Advanced Sound System)
  • Mercedes GLB X247 02/2019-03/2023 — Front Door (Burmester Sound System)
  • Mercedes GLB X247 02/2019-03/2023 — Front Door (Midline Soundsystem)
  • Mercedes GLB X247 02/2019-03/2023 — Front Door (Standard Soundsystem)
  • Mercedes GLC Coupe C253 09/2016-04/2019 — Front Door (Burmester Sound System)
  • Mercedes GLC Coupe C253 09/2016-04/2019 — Front Door (Standard Soundsystem)
  • Mercedes GLC X253 06/2015-04/2019 — Front Door (Burmester Sound System)
  • Mercedes GLC X253 06/2015-04/2019 — Front Door (Standard Soundsystem)
  • Mercedes GLC X253 Facelift 04/2019-06/2022 — Front Door (Advanced Sound System)
  • Mercedes GLC X253 Facelift 04/2019-06/2022 — Front Door (Burmester Sound System)
  • Mercedes GLC X253 Facelift 04/2019-06/2022 — Front Door (Midline Soundsystem)
  • Mercedes GLC X253 Facelift 04/2019-06/2022 — Front Door (Standard Soundsystem)
  • Mercedes GLC X254 06/2022-today — Front Door (Advanced Sound System)
  • Mercedes GLC X254 06/2022-today — Front Door (Burmester Sound System)
  • Mercedes GLC X254 06/2022-today — Front Door (Standard Soundsystem)
  • Mercedes GLE Coupe C167 02/2019-today — Front Door (Burmester Sound System)
  • Mercedes GLE Coupe C167 02/2019-today — Front Door (Standard Soundsystem)
  • Mercedes GLE V167 10/2019-02/2024 — Front Door (Burmester Sound System)
  • Mercedes GLE V167 10/2019-02/2024 — Front Door (Standard Soundsystem)
  • Mercedes GLS X167 01/2019-today — Front Door (Burmester High-End 3D-Surround-Soundsystem)
  • Mercedes GLS X167 01/2019-today — Front Door (Burmester Sound System)
  • Mercedes GLS X167 01/2019-today — Front Door (Standard Soundsystem)
  • Mercedes S-Klasse W222 06/2013-12/2020 — Front Door (Bang & Olufsen BEO Sound)
  • Mercedes S-Klasse W222 06/2013-12/2020 — Front Door (Burmester Sound System)
  • Mercedes S-Klasse W222 06/2013-12/2020 — Front Door (Standard Soundsystem)
  • Mercedes S-Klasse W223 12/2020-today — Front Door (Burmester Sound System)
Compatibility and support

For vehicle-specific advice, send your vehicle make, model, year, current factory audio setup and what you want to improve.

We reply by email or WhatsApp so you have the recommendation in writing.

Downloads
Manual or fitting data may be available on request.

Need fitment help?

Ask before ordering if the vehicle, wiring or DSP setup is unclear.

Send the make, model, year, factory audio setup and what you want to improve. We’ll reply in writing so you have the advice to refer back to.

WhatsApp compatibility help Email us
HELIX Ci3 T20FM-TI + HELIX CFMK... £82.98