This proved a difficult task as there was no mention in the owner’s manual as to it’s existence, let alone its location. Once we had determined that the cause was the starter battery fuse we had to locate and replace it. An older Alfa Romeo that we serviced a couple of months ago was not so lucky when the owner connected a battery backwards and melted a large portion of the car’s wiring harness and destroyed the alternator. This Mercedes was fortunately fuse protected. What had likely happened was that the car needed a jump start and the battery cables were hooked up backwards: a bad scenario on any vehicle.
Diagnostic tests found the cause to be a blown starter battery fuse. Our featured vehicle was suffering from the starter battery going dead and a red warning lamp illuminating the dash. These features are common in many cars built in the last 5 years, however in 2003 they were cutting-edge.Īlong with all this technology and luxury comes expensive repairs. This SL500 also features a keyless go card with push button start and a navigation system. There are numerous additional features found in most other high-end car like ABS brakes, tilt and telescope steering, memory power seats and a fabulous stereo. The car is loaded with amazing features like active body control, electronic stability programing and a hardtop convertible. Mercedes-Benz vehicles, like many German cars are extremely complex, and the SL500 takes this to a whole new level. Move the selector lever to P and switch off the engine.The beautiful 2003 Mercedes-Benz SL500 hardtop convertible. Gradually raise the engine speed to 950 RPM. Allow the engine to idle for an additional 2 minutes.ĥ. Apply the service and parking brakes, and move the transmission selector lever to D.Ĥ. Press the A/C button to turn the climate control off.ģ. Engage P and allow the engine to reach normal operating temperature.Ģ. Warning: Perform this procedure with the vehicle on a firm surface (not on a lift) after ensuring that no danger exists to surrounding personnel or property.Ĭaution: Do not exceed the engine speeds and time durations listed.ġ. To expedite the adaptive learning process for some functions of the ECM, perform the following procedure: Repeat the procedure for the passenger door window. Close the door to verify that the window closes.Ħ. Open the door to verify that the window drops 12 mm. Raise the window to its fully up position and hold the switch in the up position for 5 seconds.ĥ. Lower the driver's window to its fully open position and hold the switch in the down position for 5 seconds.Ĥ. Enter the vehicle and ensure that both of the doors are closed.ģ. RESETTING XK8 DOOR WINDOW POSITION MEMORY:ġ. reset the window position memory perform the Engine Control Module (ECM) adaptation sequence.If the cable makes momentary contact only, wait another 30 seconds before trying again. * Always make a "clean" final connection. *After disconnecting either or *both of the vehicle battery cables, at least 30 seconds before reconnecting the last cable. This bulletin describes the proper procedures to follow.Īlways disconnect the battery negative cable before disconnecting or reconnecting any control module.ĭisconnect the negative cable first and reconnect it last. In addition, disconnecting and rapidly reconnecting the vehicle battery can inhibit the operation of the analog clock. * On XK8 vehicles, the window position memory is lost whenever the vehicle battery is disconnected.* Issue: * With the introduction of multiplexing on the XK8 and V8 Sedan Range vehicles, it is imperative that the vehicle battery is disconnected prior to disconnecting and reconnecting any control module Failure to follow this procedure could result in permanent damage to the modules and/or a module causing vehicle components to operate.* Perform the Battery Reconnection Procedure Installation is the reverse of removal.Ģ. Disconnect the negative lead from the battery terminal.ġ. Slacken the clamp of the negative lead at the battery terminal.Reposition the front edge of the side trim for access to the ground stud. Remove the luggage compartment floor panel (when standard size spare wheel is supplied) and the battery cover.ģ. Ensure that the doors remain open until after the battery has been disconnected.Ģ. Open the driver's door, or both doors if necessary, to allow the side glass to drop.
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