Intake Manifold Module
SCR- & AdBlue-System
Function of the Tank Heater in the SCR System
The intake manifold (also known as a flap-controlled intake manifold or variable intake manifold) is a key component of the intake system in modern internal combustion engines. It distributes the intake air to the individual cylinders in a flow-optimized manner and, by means of movable intake manifold flaps, dynamically adjusts the effective length of the intake manifold to the current operating conditions. At low RPMs, a long intake path ensures high torque, while at high RPMs, a short intake path enables maximum cylinder filling and thus full engine power.


The intake manifold flaps are controlled by an electric servomotor that regulates the flap position precisely and continuously. This is exactly where our product line comes in: The intake manifold module is delivered complete with an original OE actuator—not a aftermarket replacement. This ensures precise control, full compatibility with the vehicle’s electronics, and OEM-level reliability—all without the need for separate procurement or customization.
Function of the Tank Heater in the SCR System
We also place particular emphasis on ensuring that the shaft is securely mounted and that the swirl flaps are precision-machined—two critical factors for precise, play-free flap control throughout the entire service life. To this end, every intake manifold module undergoes a 100% final inspection, during which the fit, function, and workmanship of the shaft and flaps are carefully checked—ensuring consistently high quality without compromise.


A malfunction is often caused by a defective or stiff servomotor, worn or worn-out valve bearings, leaks in the module housing, deposits and carbon buildup in the intake manifold that block valve movement, as well as damaged connectors for the control system. The consequences range from rough idling and loss of power to error codes in the engine control unit and even the activation of a limp-home mode with noticeably reduced drivability.
In the at autoteile germany product lineup, you’ll find a high-quality intake manifold module suitable for various Mercedes-Benz models, including the original equipment (OE) servomotor—for precise and consistently reliable air distribution without compromise.
| at24303 / Intake Manifold Module | OE-Nr. A 651 090 57 37 | MERCEDES-BENZ |
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Saugrohrmodul
Übersicht der Artikel inkl. OE-Vergleichsnummer, Zusatzbezeichnung, Fahrzeuganwendung und Qualität.
| Artikel | OE-Vergleichsnummer | Bezeichnung | Zusatzbezeichnung | Fahrzeug | Fahrzeuganwendung | Qualität |
|---|---|---|---|---|---|---|
| at22223 | 651 090 00 37 | Saugrohrmodul | Diesel/ mit Dichtung und Schrauben | MERCEDES-BENZ, JEEP | Sprinter, Vito, C117, W176, W212, W246, X156, S212, W204, X204, S204, S205, W205, W447, X117, C218, X218, A207, C207, Viano, C204, W166, X253, COMPASS, R172, W221, W222 | AM |
| at24303 | 651 090 57 37 | Saugrohrmodul | inkl. Dichtungen, Schrauben und Stellmotor | MERCEDES-BENZ | Sprinter, Vito, W447, C117, W212, X117, X156, S205, S212, W176, W205, W246, X204, C205, C218, Viano, X218, A205, A207, C204, C207, C253, W166, X253, R172, W222 | OEM-QL |
| at22103 | 06J 133 201 BH | Saugrohrmodul | Gas, inkl. Dichtung und Sensor, ohne Schrauben | VW, SKODA, AUDI, SEAT | A3, Superb, Golf VI, Octavia, Tiguan, TT, Altea, CC, Passat CC, Beetle, EOS, Jetta, Scirocco, Yeti, ALHAMBRA, Leon, Sharan | AM |
| at23056 | 11 61 7 807 991 | Saugrohrmodul | inkl. Dichtungen und Schrauben | BMW | F10, F11, F30, F31, E91, F32, F34, F36, E84, F20, F21, E92, E90, F33, F15, F22, F25, E93, F07 | AM |
| at23357 | 11 61 7 811 909 | Saugrohrmodul | mit Stellelement, inkl. Dichtung | BMW | F01, F10, F11, F07, F15, F16, F25, F26, F31, F30, F32, F34, F36, F33, F06, F12, F13 | OEM-QL |
| at22105 | 059 129 712 BQ | Saugrohrmodul | Rechts, mit Dichtung und Schrauben | AUDI, VW | A4 B7 (8EC), A4 B7 Avant (8ED), A4 B7 Cabriolet (8HE), A6 Allroad C6 (4FH), A6 C6 (4F2), A6 C6 Avant (4F5), A8 D3 (4E2, 4E8), PHAETON (3D1, 3D2, 3D3, 3D4, 3D6, 3D7, 3D8, 3D9), Q7 (4LB), TOUAREG (7LA, 7L6, 7L7) | AM |
| at24422 | 11 61 8 507 239 | Saugrohrmodul | inkl. Schrauben und Dichtungen | BMW | 1 (E81), 1 (E87), 1 Cabriolet (E88), 1 Coupe (E82), 3 (E90), 3 Cabriolet (E93), 3 Coupe (E92), 3 Touring (E91), 5 (E60), 5 Touring (E61), X1 (E84), X3 (E83) | AM |
| at22104 | 059 129 711 CK | Saugrohrmodul | Links, mit Dichtung und Schrauben | AUDI, VW | A4 B7 (8EC), A4 B7 Avant (8ED), A4 B7 Cabriolet (8HE), A6 Allroad C6 (4FH), A6 C6 (4F2), A6 C6 Avant (4F5), A8 D3 (4E2, 4E8), PHAETON (3D1, 3D2, 3D3, 3D4, 3D6, 3D7, 3D8, 3D9), Q7 (4LB), TOUAREG (7LA, 7L6, 7L7) | AM |
| at23166 | 611 090 36 37 | Saugrohrmodul | inkl. Dichtungen | MERCEDES-BENZ | C-CLASS (W203) | C-KLASSE, C-CLASS Coupe (CL203) | C-KLASSE, C-CLASS T-Model (S203) | C-KLASSE, CLK (C209), E-CLASS (W210) | E-KLASSE, E-CLASS (W211) | E-KLASSE, E-CLASS T-Model (S210) | E-KLASSE, E-CLASS T-Model (S211) | E-KLASSE | AM |
| at23073 | 55 206 459 | Saugrohrmodul | mit Dichtung | ALFA ROMEO, OPEL, VAUXHALL, FIAT, SAAB, BMW, PEUGEOT, CHRYSLER, CITROËN, HYUNDAI, JAGUAR, MAZDA, VW | ASTRA, VECTRA, 147, 156 Sportwagon, 159, 9-3, STILO, 407 SW, 9-5, CROMA, GT, SIGNUM, ZAFIRA, 3 Saloon, 300C, ASTRAVAN, C15, COUPE, E65, E90, New Beetle, X-TYPE | AM |
| at23064 | 646 090 16 37 | Saugrohrmodul | inkl. Dichtungen | MERCEDES-BENZ | Sprinter 906 | AM |
| at23062 | 11 61 7 800 579 | Saugrohrmodul | inkl. Dichtungen und Klappenventil | BMW | 3 (E90), 3 Touring (E91), X3 (E83) | AM |
| at23055 | 11 61 8 511 363 | Saugrohrmodul | inkl. Dichtungen und Schrauben | BMW | 3 (E90), 3 Cabriolet (E93), 3 Coupe (E92), 3 Touring (E91), 5 (F10), 5 Gran Turismo (F07), 5 Touring (F11), 7 (F01, F02, F03, F04), X5 (E70), X6 (E71, E72) | AM |
| at23065 | 646 090 23 37 | Saugrohrmodul | inkl. Dichtungen | MERCEDES-BENZ | C-CLASS (W204) | C-KLASSE, C-CLASS T-Model (S204) | C-KLASSE, E-CLASS (W211) | E-KLASSE, E-CLASS T-Model (S211) | E-KLASSE | AM |
| at24423 | 11 61 8 507 239 | Saugrohrmodul | inkl. Schrauben, Dichtungen und Stellmotor, 5-polig | BMW | 1 (E81), 1 (E87), 1 Cabriolet (E88), 1 Coupe (E82), 3 (E90), 3 Cabriolet (E93), 3 Coupe (E92), 3 Touring (E91), 5 (E60), 5 Touring (E61), X1 (E84), X3 (E83) | OEM-QL |
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