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2000 Mercedes-Benz ML320 Engine light is on with no acceleration. Fault code is P0120

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Filed Under (Mercedes-Benz) by admin on 11-06-2010

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2000 Mercedes-Benz ML320 3.2L 2001 Mercedes-Benz E320 3.2L 2001 Mercedes-Benz C240 2.6L 2001 Mercedes-Benz E320 4Matic 3.2L 2001 Mercedes-Benz C320 3.2L 2002 Mercedes-Benz ML320 3.2L Potential Causes: Pedal Sensor Throttle Body Wiring Tech Tips: With new sensor the throttle stops must be relearned. Use compatible scan tool and perform adaptations. ALWAYS verify charging system voltage is correct. Tests/Procedures: 1. Connect scan tool and monitor voltages of pedal sensor B37. Signal 1 (Accelerator pedal position: Idle speed):[0.2...0.5] V Signal 2 (Accelerator pedal position: Idle speed):[0.1...0.5] V Signal 1 (Accelerator pedal position:Kickdown):[4.3...4.8] V Signal 2 (Accelerator pedal position:Kickdown):[2.1...2.5] V 3. Test throttle body voltages with scan tool. Potentiometer #2 signal voltage ignition on, accelerator pedal position CTP 0.3-0.9 VDC, WOT > CTP value Potentiometer #1 signal voltage Ignition on, accelerator pedal position CTP 4.0-4.6 VDC, WOT < CTP value.

Mercedes-Benz C-Class (W202) Service Manual: 1994-2000 C220, C230, C230 Kompressor, C280

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Filed Under (Mercedes-Benz) by admin on 13-09-2009

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Manual contains in-depth maintenance, service and repair information for the Mercedes-Benz C-Class from 1994 to 2000. The aim throughout has been simplicity and clarity, with practical explanations, step-by-step procedures and accurate specifications. Whether you’re a professional or a do-it-yourself Mercedes-Benz owner, this manualhelps you understand, care for and repair your car Electrical system service, with an easy-to-use illustrated component
locator section. • Comprehensive wiring schematics, including power distribution and grounds. • Mercedes-Benz OBD II diagnostic trouble codes, SAE-defined OBD II P-codes, as well as basic scan tool operation.
• Mercedes-Benz factory tolerance, wear limits, adjustments and tightening torque

1985 Mercedes Benz 380SE Lambda System Function Test

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Filed Under (Mercedes-Benz) by admin on 09-08-2010

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Lambda closed loop tester with yellow test wire – 909 589 00 21 00 Oil telethermometer – 116 589 272 100 Test Conditions: Ignition system must be in good working order and engine at idle speed. Ignition timing must be set to specification. Testing Test Procedure Tests and General Diagnostics Lambda System Function Test 1985 Mercedes Benz 380SE (126 Chassis) V8-3839cc 3.8L SOHC (116)

1996 Mercedes-Benz C220 TROUBLE SHOOTING TRANSMISSION SLIPS IN ALL GEARS

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Filed Under (Mercedes-Benz) by admin on 19-06-2010

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AUTOMATIC TRANSMISSIONS Mercedes-Benz 722 Series – Electronic Diagnosis C220, C280, C36, E300D, E320 E420, S320, S350D, S500, S600 SL320, SL500, SL600 Incorrect modulating pressure. Modulating pressure control valve or pressure relief valve is dirty or sticking. Vacuum line to transmission vacuum capsule clogged or leaking. Working pressure control valve dirty or sticking. Low working pressure. Defective primary pump. Transmission Slips When Starting Off In 1st Or 2nd (Reverse Is Okay) Band B-2 shift valve sticking. Band B-2 piston worn or damaged. Band B-2 adjusted incorrectly or worn or damaged. Adjust brake band B-2 by installing a longer thrust pin (if necessary). If transmission operates properly with selector lever in “2″, but not in “3″ or “D” position, one-way clutch may be slipping

2006 Mercedes Benz SLK 280 Remove/ install Audio Components Center

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Filed Under (Mercedes-Benz) by admin on 11-08-2010

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1 Floor mat 2 Impact damper 3 Step plate 4 Nuts 5 Tie strap P82.60-4351-09 6 Nuts 7 Bolts 8 Electrical connectors 9 Fiber optical cable connection 10 Equipment carrier 11 Nuts N93/1 Audio gateway control unit Removal/installation 1.1 H Put basic data of audio gateway control unit (N93/1) into intermediate storage in STAR DIAGNOSIS Conned STAR DIAGNOSIS, read out fault memory When replacing audio gateway control unit (N93/1). i Installation: Transmit basic data from intermediate storage to new audio gateway control unit (N93/1). STAR DIAGNOSIS diagnosis system ADOO.OO-P-2000-04A 2 Move front passenger seat to end position toward rear i See Operating Instructions 3 Disconnect battery ground line AR54.10-P-OOO3V 4 Fold floor covering (1) towards rear at front passenger side 5 Remove impact absorber (2) from step plate (3) i Installation: Ensure that hipact absorber (2) is correctly seated in clips of step plate (3). 6 Undo nuts (4) and remove step plate (3) from front passenger side footwell 7 Detach tie strap (S) i Installation: Replace tie straps (5). 8.1 Remove ETC [EGS] control unit from equipment carrier (10) and put aside with electrical connections attached With TRANSMISSION 722.6 AR27.19-P-1719V 9 Unscrew nuls (6) and bolts (7) 10 * Turn equipment carrier (10) with audio gateway control uni (N93/1) over and disconnect electrical connections (8) 11 Disconnect fiber optical cable connector (9) 12 Cover up the fiber optical cable connector (9) AR82.95-P-0005-01A 13 Remove audio gateway control unit (N93/1) with equipment carrier (10) from front passengerside footwell 14.1 Unscrew nuts (11) and remove audio gateway control unii (N93/1) from equipment carrier (10) Only when replacing audio gateway control unit (N93Í1). 15 install in the reverse order