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2021-2026 Cadillac Escalade CURT TriFlex NEXT Proportional Motion-Sensing Trailer Brake Controller for 1-4 Axles #51146

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Triple-axis motion-sensing accelerometer with dynamic hill-sensing adjustment
Controls 2-8 trailer brakes across 1-4 axles simultaneously
20-minute plug-and-play installation, automatic calibration required

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2021-2026 Cadillac Escalade CURT TriFlex NEXT Proportional Motion-Sensing Trailer Brake Controller for 1-4 Axles #51146

MSRP: $185.90

$171.27

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CURT 51146 TriFlex NEXT Proportional Inertia Electric Trailer Brake Controller, Fully Adjustable, Low Profile, 2-4 Axles, Plug-and-Play Installation Instructions View Instructions ...

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2016-2018 Mercedes-Benz GLE550 with Factory Tow Package CURT Echo Under-Dash Trailer Brake Controller, Bluetooth® Smartphone for 1-4 Axles #51190

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2016-2018 Mercedes-Benz GLE550 with Factory Tow Package CURT Echo Under-Dash Trailer Brake Controller, Bluetooth® Smartphone for 1-4 Axles #51190

$367.94

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CURT 51190 Echo Under-Dash Electric Trailer Brake Controller with Bluetooth Enabled Smartphone Connection, Proportional Installation Instructions View Instructions Notes Compatible with Echo...

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2007-2010 Saturn Outlook CURT TriFlex NEXT Proportional Motion-Sensing Trailer Brake Controller for 1-4 Axles #51146

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Triple-axis motion-sensing accelerometer with dynamic hill-sensing braking
Controls 2-8 trailer brakes across 1-4 axles simultaneously
20-minute plug-and-play installation, mounts at any angle
LED display with 0.5-increment power readouts and auto-calibration

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2007-2010 Saturn Outlook CURT TriFlex NEXT Proportional Motion-Sensing Trailer Brake Controller for 1-4 Axles #51146

MSRP: $188.90

$174.26

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CURT 51146 TriFlex NEXT Proportional Inertia Electric Trailer Brake Controller, Fully Adjustable, Low Profile, 2-4 Axles, Plug-and-Play Installation Instructions View Instructions ...

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2008-2017 Buick Enclave CURT TriFlex NEXT Proportional Motion-Sensing Trailer Brake Controller for 1-4 Axles #51146

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Triple-axis motion-sensing accelerometer with dynamic hill compensation
Controls 2-8 trailer brakes across 1-4 axles simultaneously
Compatible with PWM, ABS, cruise control, low-volt systems

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CURT

2008-2017 Buick Enclave CURT TriFlex NEXT Proportional Motion-Sensing Trailer Brake Controller for 1-4 Axles #51146

MSRP: $188.90

$174.26

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CURT 51146 TriFlex NEXT Proportional Inertia Electric Trailer Brake Controller, Fully Adjustable, Low Profile, 2-4 Axles, Plug-and-Play Installation Instructions View Instructions ...

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2017-2019 Mercedes-Benz GLE43 AMG with Factory Tow Package CURT Echo Under-Dash Trailer Brake Controller, Bluetooth® Smartphone for 1-4 Axles #51190

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Bluetooth smartphone control via downloadable iOS/Android app
Operates 2-8 trailer brakes, 1-4 axles simultaneously
Triple-axis accelerometer for proportional, smooth braking
Plug-and-play install, 20 minutes, includes harness

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2017-2019 Mercedes-Benz GLE43 AMG with Factory Tow Package CURT Echo Under-Dash Trailer Brake Controller, Bluetooth® Smartphone for 1-4 Axles #51190

$367.94

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CURT 51190 Echo Under-Dash Electric Trailer Brake Controller with Bluetooth Enabled Smartphone Connection, Proportional Installation Instructions View Instructions Notes Compatible with Echo...

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2016-2024 RAM 5500 Without factory integrated brake control (ITBC) CURT TriFlex NEXT Proportional Motion-Sensing Trailer Brake Controller for 1-4 Axles #51146

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Triple-axis motion-sensing accelerometer with dynamic hill adjustment
Controls 2-8 trailer brakes, 1-4 axles simultaneously
20-minute plug-and-play installation, mounts at any angle
LED display with 0.5 increment adjustments and auto-calibration

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CURT

2016-2024 RAM 5500 Without factory integrated brake control (ITBC) CURT TriFlex NEXT Proportional Motion-Sensing Trailer Brake Controller for 1-4 Axles #51146

MSRP: $196.90

$183.94

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CURT 51146 TriFlex NEXT Proportional Inertia Electric Trailer Brake Controller, Fully Adjustable, Low Profile, 2-4 Axles, Plug-and-Play Installation Instructions View Instructions ...

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2020-2024 Audi e-tron Sportback With factory 7-way CURT TriFlex NEXT Proportional Motion-Sensing Trailer Brake Controller for 1-4 Axles #51146

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2020-2024 Audi e-tron Sportback With factory 7-way CURT TriFlex NEXT Proportional Motion-Sensing Trailer Brake Controller for 1-4 Axles #51146

MSRP: $205.90

$188.94

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CURT 51146 TriFlex NEXT Proportional Inertia Electric Trailer Brake Controller, Fully Adjustable, Low Profile, 2-4 Axles, Plug-and-Play Installation Instructions View Instructions ...

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2016-2023 Mercedes-Benz GLE350 with Factory Tow Package CURT Echo Under-Dash Trailer Brake Controller, Bluetooth® Smartphone for 1-4 Axles #51190

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2016-2023 Mercedes-Benz GLE350 with Factory Tow Package CURT Echo Under-Dash Trailer Brake Controller, Bluetooth® Smartphone for 1-4 Axles #51190

$367.94

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CURT 51190 Echo Under-Dash Electric Trailer Brake Controller with Bluetooth Enabled Smartphone Connection, Proportional Installation Instructions View Instructions Notes Compatible with Echo...

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2025-2026 RAM 5500 CURT TriFlex NEXT Proportional Motion-Sensing Trailer Brake Controller for 1-4 Axles #51146

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Triple-axis motion-sensing accelerometer with dynamic hill-adjust power
Controls 2-8 trailer brakes across 1-4 axles simultaneously
20-minute plug-and-play installation, mounts at any angle
LED display with 0.5-increment readout, day-night mode

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CURT

2025-2026 RAM 5500 CURT TriFlex NEXT Proportional Motion-Sensing Trailer Brake Controller for 1-4 Axles #51146

MSRP: $188.90

$174.59

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CURT 51146 TriFlex NEXT Proportional Inertia Electric Trailer Brake Controller, Fully Adjustable, Low Profile, 2-4 Axles, Plug-and-Play Installation Instructions View Instructions ...

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2022-2024 Audi e-tron S Sportback With factory 7-way CURT TriFlex NEXT Proportional Motion-Sensing Trailer Brake Controller for 1-4 Axles #51146

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2022-2024 Audi e-tron S Sportback With factory 7-way CURT TriFlex NEXT Proportional Motion-Sensing Trailer Brake Controller for 1-4 Axles #51146

MSRP: $205.90

$188.94

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CURT 51146 TriFlex NEXT Proportional Inertia Electric Trailer Brake Controller, Fully Adjustable, Low Profile, 2-4 Axles, Plug-and-Play Installation Instructions View Instructions ...

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2012-2016 Mercedes-Benz GL550 with Factory Tow Package CURT Echo Under-Dash Trailer Brake Controller, Bluetooth® Smartphone for 1-4 Axles #51190

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2012-2016 Mercedes-Benz GL550 with Factory Tow Package CURT Echo Under-Dash Trailer Brake Controller, Bluetooth® Smartphone for 1-4 Axles #51190

$367.94

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CURT 51190 Echo Under-Dash Electric Trailer Brake Controller with Bluetooth Enabled Smartphone Connection, Proportional Installation Instructions View Instructions Notes Compatible with Echo...

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2016-2024 RAM 4500 Without factory integrated brake control (ITBC) CURT TriFlex NEXT Proportional Motion-Sensing Trailer Brake Controller for 1-4 Axles #51146

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Triple-axis motion-sensing accelerometer with dynamic hill adjustment
Controls 2-8 trailer brakes across 1-4 axles simultaneously
20-minute plug-and-play installation, mounts at any angle

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CURT

2016-2024 RAM 4500 Without factory integrated brake control (ITBC) CURT TriFlex NEXT Proportional Motion-Sensing Trailer Brake Controller for 1-4 Axles #51146

MSRP: $196.90

$183.94

In-Stock

CURT 51146 TriFlex NEXT Proportional Inertia Electric Trailer Brake Controller, Fully Adjustable, Low Profile, 2-4 Axles, Plug-and-Play Installation Instructions View Instructions ...

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2022-2024 Audi e-tron S With factory 7-way CURT TriFlex NEXT Proportional Motion-Sensing Trailer Brake Controller for 1-4 Axles #51146

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Triple-axis motion-sensing accelerometer with hill-grade power adjustment
Controls 2-8 trailer brakes across 1-4 axles simultaneously
20-minute plug-and-play installation, mounts at any angle
LED display with 0.5-increment readouts, day-night mode

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CURT

2022-2024 Audi e-tron S With factory 7-way CURT TriFlex NEXT Proportional Motion-Sensing Trailer Brake Controller for 1-4 Axles #51146

MSRP: $205.90

$188.94

In-Stock

CURT 51146 TriFlex NEXT Proportional Inertia Electric Trailer Brake Controller, Fully Adjustable, Low Profile, 2-4 Axles, Plug-and-Play Installation Instructions View Instructions ...

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2012-2016 Mercedes-Benz GL450 with Factory Tow Package CURT Echo Under-Dash Trailer Brake Controller, Bluetooth® Smartphone for 1-4 Axles #51190

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2012-2016 Mercedes-Benz GL450 with Factory Tow Package CURT Echo Under-Dash Trailer Brake Controller, Bluetooth® Smartphone for 1-4 Axles #51190

$367.94

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CURT 51190 Echo Under-Dash Electric Trailer Brake Controller with Bluetooth Enabled Smartphone Connection, Proportional Installation Instructions View Instructions Notes Compatible with Echo...

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2025-2026 RAM 4500 CURT TriFlex NEXT Proportional Motion-Sensing Trailer Brake Controller for 1-4 Axles #51146

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CURT

2025-2026 RAM 4500 CURT TriFlex NEXT Proportional Motion-Sensing Trailer Brake Controller for 1-4 Axles #51146

MSRP: $188.90

$174.59

In-Stock

CURT 51146 TriFlex NEXT Proportional Inertia Electric Trailer Brake Controller, Fully Adjustable, Low Profile, 2-4 Axles, Plug-and-Play Installation Instructions View Instructions ...

Add to Cart

Compare

CURT

2021-2026 Cadillac Escalade CURT TriFlex NEXT Proportional Motion-Sensing Trailer Brake Controller for 1-4 Axles #51146

2016-2018 Mercedes-Benz GLE550 with Factory Tow Package CURT Echo Under-Dash Trailer Brake Controller, Bluetooth® Smartphone for 1-4 Axles #51190

2007-2010 Saturn Outlook CURT TriFlex NEXT Proportional Motion-Sensing Trailer Brake Controller for 1-4 Axles #51146

2008-2017 Buick Enclave CURT TriFlex NEXT Proportional Motion-Sensing Trailer Brake Controller for 1-4 Axles #51146

2017-2019 Mercedes-Benz GLE43 AMG with Factory Tow Package CURT Echo Under-Dash Trailer Brake Controller, Bluetooth® Smartphone for 1-4 Axles #51190

2016-2024 RAM 5500 Without factory integrated brake control (ITBC) CURT TriFlex NEXT Proportional Motion-Sensing Trailer Brake Controller for 1-4 Axles #51146

2020-2024 Audi e-tron Sportback With factory 7-way CURT TriFlex NEXT Proportional Motion-Sensing Trailer Brake Controller for 1-4 Axles #51146

2016-2023 Mercedes-Benz GLE350 with Factory Tow Package CURT Echo Under-Dash Trailer Brake Controller, Bluetooth® Smartphone for 1-4 Axles #51190

2025-2026 RAM 5500 CURT TriFlex NEXT Proportional Motion-Sensing Trailer Brake Controller for 1-4 Axles #51146

2022-2024 Audi e-tron S Sportback With factory 7-way CURT TriFlex NEXT Proportional Motion-Sensing Trailer Brake Controller for 1-4 Axles #51146

2012-2016 Mercedes-Benz GL550 with Factory Tow Package CURT Echo Under-Dash Trailer Brake Controller, Bluetooth® Smartphone for 1-4 Axles #51190

2016-2024 RAM 4500 Without factory integrated brake control (ITBC) CURT TriFlex NEXT Proportional Motion-Sensing Trailer Brake Controller for 1-4 Axles #51146

2022-2024 Audi e-tron S With factory 7-way CURT TriFlex NEXT Proportional Motion-Sensing Trailer Brake Controller for 1-4 Axles #51146

2012-2016 Mercedes-Benz GL450 with Factory Tow Package CURT Echo Under-Dash Trailer Brake Controller, Bluetooth® Smartphone for 1-4 Axles #51190

2025-2026 RAM 4500 CURT TriFlex NEXT Proportional Motion-Sensing Trailer Brake Controller for 1-4 Axles #51146

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