Feature:
1. Fitment: ECU engine control unit is replacement for Mercedes‑Benz S550 4Matic Sedan 4‑Door 5.5L 5461CC 333Cu. In. V8 GAS DOHC Naturally Aspirated 2011.
2. OEM Number: Engine control module replace part number are 2731532979, A2731532979, A 273 153 29 79 2979, 0034662040, A0034662040, A 003 466 20 40 2040.
3. Performance: Durable aluminum alloy and ABS material, precision welded internal circuit board to effectively prevent vibration and wear.
4. Stable Characteristics: Professional manufacturing, high accuracy, stable characteristics and high reliability, practical for use.
5. Ideal Replacement: According to the original size design, perfect replacement of the old or damaged one, no need to modify, easy and fast installation.
Specification:
Item Type: ECU Engine Control Unit.Material: Aluminum alloy and ABSOEM: 2731532979, A2731532979, A 273 153 29 79 2979, 0034662040, A0034662040, A 003 466 20 40 2040.
Applicable Models:Replacement for Mercedes Benz S550 4Matic Sedan 4 Door 5.5L 5461CC 333Cu. In. V8 GAS DOHC Naturally Aspirated 2011
Replacement for Mercedes Benz S550 Base Sedan 4 Door 5.5L 5461CC 333Cu. In. V8 GAS DOHC Naturally Aspirated 2011
Replacement for Mercedes Benz CL550 4Matic Coupe 2 Door 5.5L 5461CC 333Cu. In. V8 GAS DOHC Naturally Aspirated 2010
Replacement for Mercedes Benz S550 4Matic Sedan 4 Door 5.5L 5461CC 333Cu. In. V8 GAS DOHC Naturally Aspirated 2010
Replacement for Mercedes Benz S550 Base Sedan 4 Door 5.5L 5461CC 333Cu. In. V8 GAS DOHC Naturally Aspirated 2010
Replacement for Mercedes Benz CL550 4Matic Coupe 2 Door 5.5L 5461CC 333Cu. In. V8 GAS DOHC Naturally Aspirated 2009
Replacement for Mercedes Benz S550 4Matic Sedan 4 Door 5.5L 5461CC 333Cu. In. V8 GAS DOHC Naturally Aspirated 2009
Replacement for Mercedes Benz S550 Base Sedan 4 Door 5.5L 5461CC 333Cu. In. V8 GAS DOHC Naturally Aspirated 2009
Replacement for Mercedes Benz CL550 Base Coupe 2 Door 5.5L 5461CC 333Cu. In. V8 GAS DOHC Naturally Aspirated 2008
Replacement for Mercedes Benz S550 4Matic Sedan 4 Door 5.5L 5461CC 333Cu. In. V8 GAS DOHC Naturally Aspirated 2008
Replacement for Mercedes Benz S550 Base Sedan 4 Door 5.5L 5461CC 333Cu. In. V8 GAS DOHC Naturally Aspirated 2007
Replacement for Mercedes Benz CL550 Base Coupe 2 Door 5.5L 5461CC 333Cu. In. V8 GAS DOHC Naturally Aspirated 2007
Replacement for Mercedes Benz S550 4Matic Sedan 4 Door 5.5L 5461CC 333Cu. In. V8 GAS DOHC Naturally Aspirated 2007
Replacement for Mercedes Benz S550 Base Sedan 4 Door 5.5L 5461CC 333Cu. In. V8 GAS DOHC Naturally Aspirated 2007
Replacement for Mercedes Benz W221 M273
Installation Precautions:
1. It is recommended to find a professional auto mechanic to install the
2. Product installation to pay attention to, first check out the reasons for the previous computer board bad, to avoid using the same fault again burned computer board. .
3. Before installing the computer board to check whether the voltage is normal (voltage of about 12V), more than 15V recommended not to install, check whether the line is normal, the overlap is good, otherwise there is the possibility of burning the computer board.
4. After the installation of the computer board (insert the plug for trial operation) key to NO position switch back and forth three or four times and then start.
5. If the car has with anti theft, you need to decode (match) before you can, this depends on your car rather than the computer board
The Correct Installation Method of the Computer Board:
1. First remove the battery line a firewire, and then the computer board (circuit board) to install, and then connect the line.
2. After the car key to NO on the car do not start, wait 1 2 minutes, and then ignition.
3. If the last time you can not fire, and then repeat the previous step, try again, or look at the computer board and the computer board plug whether there is dust inside, if there is a clean brush to clean up, or check whether the pins are neat, so that the computer board installed on is basically OK
Common Fault Problem Solving Methods:
1. Fault light indicates that there is a problem with the sensor.
2. Repeatedly burn the computer board ECU or refueling does not work, please check whether the generator voltage is normal.
3. Appear lack of cylinders, check the spark plug, ignition wire, injector nozzle, etc. is normal.
4. Idle speed is unstable, please check whether the idle speed motor and throttle valve body are normal and there are foreign objects.
5. If there is difficulty in starting, please check whether the pressure sensor and water temperature sensor are normal.
6. If you cannot start, please check whether the crankshaft position sensor and speed sensor are normal.
Basic Knowledge of Circuit Board:
1 Product Installation: Confirm that the product model and specifications are normal, install and fix the new circuit board, connect the wiring harness connector, repeatedly switch the ignition switch 3 5 times switch time 2 3 wonderful, off time 4 6 wonderful
2 Check and Judgment After Installation: Whether the idle speed is running normally hot 800 950 rpm, cold 1000 1300 rpm , whether the electronic fan is running normally 85.C on, 90.C off , whether the air conditioning is running normally open the idle speed to 1100 1300 rpm , whether the hot engine exhaust is normal if not normal, please check the pressure sensor , if there is idle speed, please adjust the ignition angle properly.
Package List:
1 x
ECU Engine Control Unit
Note:
1. Please check the OEM of ECU carefully before purchase.2. It is highly recommended to find a professional engineer for installation and programming !!! (Otherwise it will cause circuit board damage situation)
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