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Art. No.: 137121-04754-5

TowTec Electrical set 7 pins Data bus specific - MERCEDES-BENZ C-CLASS T-Model

TowTec
  • TowTec Electrical set 7 pins Data bus specific
Art. No.: 137121-04754-5

TowTec Electrical set 7 pins Data bus specific - MERCEDES-BENZ C-CLASS T-Model

  • Activation necessary: Yes
  • Parking assistance system cut-off: Yes
  • suitable for MERCEDES-BENZ C-CLASS T-Model
  • Year of make 03.01 - 08.07
Please note the special features.
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TowTec
You save 15%
RRP € 231.00 € 195.99
incl. 19% VAT plus shipping costs starting from € 11.31
available from 2026-06-22
Notification when available
  • 99 % positive reviews
  • top quality
  • quick delivery
  • first rate advice
Data Sheet
Special features
  • Model exclusion: AMG
Manufacturer
TowTec
Electrical set-version
7pins
Electrical set type
specific
Vehicle-specific plug connector
Yes
Electrical set-model
Data bus
C2 to block light
No
Assembly time 1
1,5 h
Validation required
Yes
Parctronic disconnection
Yes
LED trailer without series resistor possible
Yes
Rear fog lamp disconnection
Yes
Integrated constant current, pole 9
No
Constant current extendable
No
Integrated charge line, pole 10
No
Charge line extendable
No
Preassembled socket
Yes
Dismantling of bumper neccessary
No
Installation only on the rear of the vehicle
Yes
Cable gland present in vehicle
Yes
Voltage [V]
12
Weight
0,75 kg
1 The indicated fitting times for towbars and wiring kits are related to the regular installation of these products. Some car models might require additional work like disassembling the bumper.
Product details

This 7 pin wire kit for your MERCEDES-BENZ C-CLASS T-Model is produced by TowTec for your car. After the 7-pin electrical kit is integrated in the data bus system of your MERCEDES-BENZ C-CLASS T-Model, it reliably signals faulty trailer lights through the car's own system. The vehicle must be configured for trailer operation after the electrical kit has been installed.

An automatic deactivation of the parking assist function of your MERCEDES-BENZ C-CLASS T-Model is supported by this 7 pin CAN-bus module electrical kit. Included in this kit: high-quality, vehicle-specific colour-coded plug connectors, custom cable lengths and a detailed MERCEDES-BENZ C-CLASS T-Model installation manual. This electrical kit is installed in the boot only. A continuous current connection (terminal 30) for the trailer control unit must be available in the rear of the car. No drilling in the rear panel of the vehicle. A grommet is already present on your MERCEDES-BENZ C-CLASS T-Model. It is used by this vehicle-specific 7 pin wiring kit. The socket of the electrical kit is already connected. It is therefore not required to connect each cable to the trailer socket.

matching accessory for TowTec Electrical set 7 pins Data bus specific (1)
    Installation instructions

    Installation instructions are given here in different languages and, depending upon the product, complementary installation help and additional images which make the installation or attachment of the product easier for you.

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    suitable vehicles

    Mercedes-Benz is the registered trademark for vehicles of Daimler AG. The brand was launched in 1926 under the name "Mercedes-Benz" and manufactures cars, vans, trucks, commercial vehicles and buses. Daimler AG employs more than 270.00 employees and is headquartered in Stuttgart. Mercedes-Benz also one of the most traditional motor sports brands in the world.

    • Mercedes-Benz C-CLASS T-Model (S203)
      • Vehicle model
        Power
        Year of make
      • Vehicle model
        Mercedes-Benz C-CLASS T-Model (S203) C 180 (203.235)
        Power
        95 kW / 129 HP
        Year of make
        03.01 - 05.02
      • Vehicle model
        Mercedes-Benz C-CLASS T-Model (S203) C 180 Kompressor (203.246)
        Power
        105 kW / 143 HP
        Year of make
        05.02 - 08.07
      • Vehicle model
        Mercedes-Benz C-CLASS T-Model (S203) C 200 CDI (203.204)
        Power
        75 kW / 102 HP
        Year of make
        03.01 - 08.07
      • Vehicle model
        Mercedes-Benz C-CLASS T-Model (S203) C 200 CDI (203.204)
        Power
        85 kW / 116 HP
        Year of make
        03.01 - 08.07
      • Vehicle model
        Mercedes-Benz C-CLASS T-Model (S203) C 200 CDI (203.207)
        Power
        90 kW / 122 HP
        Year of make
        04.03 - 08.07
      • Vehicle model
        Mercedes-Benz C-CLASS T-Model (S203) C 200 CGI Kompressor (203.243)
        Power
        125 kW / 170 HP
        Year of make
        07.03 - 08.07
      • Vehicle model
        Mercedes-Benz C-CLASS T-Model (S203) C 200 Kompressor (203.242)
        Power
        120 kW / 163 HP
        Year of make
        05.02 - 08.07
      • Vehicle model
        Mercedes-Benz C-CLASS T-Model (S203) C 200 Kompressor (203.245)
        Power
        120 kW / 163 HP
        Year of make
        03.01 - 05.02
      • Vehicle model
        Mercedes-Benz C-CLASS T-Model (S203) C 220 CDI (203.206, 203.208)
        Power
        105 kW / 143 HP
        Year of make
        03.01 - 08.07
      • Vehicle model
        Mercedes-Benz C-CLASS T-Model (S203) C 220 CDI (203.208)
        Power
        100 kW / 136 HP
        Year of make
        08.06 - 08.07
      • Vehicle model
        Mercedes-Benz C-CLASS T-Model (S203) C 220 CDI (203.208)
        Power
        110 kW / 150 HP
        Year of make
        02.04 - 08.07
      • Vehicle model
        Mercedes-Benz C-CLASS T-Model (S203) C 230 (203.252)
        Power
        150 kW / 204 HP
        Year of make
        01.05 - 08.07
      • Vehicle model
        Mercedes-Benz C-CLASS T-Model (S203) C 230 Kompressor (203.240)
        Power
        141 kW / 192 HP
        Year of make
        02.04 - 08.07
      • Vehicle model
        Mercedes-Benz C-CLASS T-Model (S203) C 240 (203.261)
        Power
        125 kW / 170 HP
        Year of make
        03.01 - 08.07
      • Vehicle model
        Mercedes-Benz C-CLASS T-Model (S203) C 240 4-matic (203.281)
        Power
        125 kW / 170 HP
        Year of make
        07.02 - 08.07
      • Vehicle model
        Mercedes-Benz C-CLASS T-Model (S203) C 270 CDI (203.216)
        Power
        120 kW / 163 HP
        Year of make
        03.01 - 08.07
      • Vehicle model
        Mercedes-Benz C-CLASS T-Model (S203) C 270 CDI (203.216)
        Power
        125 kW / 170 HP
        Year of make
        03.01 - 08.07
      • Vehicle model
        Mercedes-Benz C-CLASS T-Model (S203) C 280 (203.254)
        Power
        170 kW / 231 HP
        Year of make
        01.05 - 08.07
      • Vehicle model
        Mercedes-Benz C-CLASS T-Model (S203) C 280 4-matic (203.292)
        Power
        170 kW / 231 HP
        Year of make
        01.05 - 08.07
      • Vehicle model
        Mercedes-Benz C-CLASS T-Model (S203) C 320 (203.264)
        Power
        160 kW / 218 HP
        Year of make
        03.01 - 08.07
      • Vehicle model
        Mercedes-Benz C-CLASS T-Model (S203) C 320 4-matic (203.284)
        Power
        160 kW / 218 HP
        Year of make
        07.02 - 08.07
      • Vehicle model
        Mercedes-Benz C-CLASS T-Model (S203) C 320 CDI (203.220)
        Power
        165 kW / 224 HP
        Year of make
        06.05 - 08.07
      • Vehicle model
        Mercedes-Benz C-CLASS T-Model (S203) C 350 (203.256)
        Power
        200 kW / 272 HP
        Year of make
        01.05 - 08.07
      • Vehicle model
        Mercedes-Benz C-CLASS T-Model (S203) C 350 4-matic (203.287)
        Power
        200 kW / 272 HP
        Year of make
        01.05 - 08.07
    Manufacturer information

    Safe and transparent: GPSR-compliant manufacturer information. In accordance with the new EU GPSR regulation, you will find all essential information about the manufacturer of this product here. This includes contact details that provide you with direct access to the manufacturer in case of questions or issues. It is important to us that you, as a customer, can access all relevant information at any time.

    Address
    • BoldR Group GmbH
    • Am Eichberg Flauer 1
    • 07338 Leutenberg / OT Munschwitz
    • Thuringia
    • Germany
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