Auto Repair Manual Free Download and ReviewsFree download ebook pdf files automotive manual

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The Check Engine Light came ON on my C230 Kompressor Sport Coupe; the fault code was P0170 which is Fuel Trim Malfunction fault. The Mercedes CD repair manual was a bit vague as to what to replace. An archive search of the Benz World forums indicated that the Mass Airflow (MAF) sensor could be dirty or need to be replaced. So I thought I would clean it. In order to remove the MAF it’s necessary to remove the air filter box. In hind sight if all you really want to do is clean the MAF sensor it is possible by simply taking the top of the air filter box off and removing the air filter and spraying through the MAF screen at the sensor components. To get to the Mass Airflow sensor you need to remove the air filter box. It is held in place by two bolts toward the rear and two rubber bushings in front. Other items that are attached to it are a flex duct going to the supercharger, various electrical connectors, crankcase ventilation tube and also a vacuum line that needs to be disconnected for clearance. 1. Disconnect the battery ground cable since you’ll be disconnecting several connectors. The battery is underneath the cover/filter for cabin air. You will need to resynchronize the windows and panorama sun roof. 2. There are two bolts that have to be loosened. 3. Disconnect the inlet air duct, there’s a tab on the bottom that can make it difficult to disconnect. 4. Disconnect the vacuum line by gently pressing on the outer ring and lifting. Also disconnect the nearby connector and detach one half of the connector from the stand-off bracket. 5. Disconnect the electrical connectors by pulling on the “T” handles at the front and rear of the connectors. Also unscrew the small bracket that they are zipped tied to or cut the zip tie.

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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)

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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

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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.

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Using the button located at bottom left hand side of speedometer dial Switch ignition on and immediately press button twice.
Switch ignition off. Press and hold button while switching ignition on. After 10 seconds the new interval will appear in the display.
Release button. Switch ignition off.