Question about 2006 Mercedes-Benz ML-Class

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ML320 cruise control does not engage

ML320 cruise control does not engage

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  • Anonymous Mar 20, 2014

    cruise control engaged

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You're not gonna believe this but if the center brake light is out on a 2000 ML320 the cruise control will not work. I went over the owners manual with a fine tooth comb and not once did it mention the center brake light in conjuction with a malfunctioning cruise control. The book did state however to bring the car into an authorized Mercedes Benz dealer.

Posted on Sep 24, 2012

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Posted on Jan 02, 2017

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jmgldsmth
  • 2005 Answers

SOURCE: Cruise Control on 2 door Sport 4x4 with SOHC: Non-working cruise control. When turned on, cruise control does not engage, no dash light indication either.

look in your owner's manual for the location of the cruse control fuse it is different from other fuses usually much larger

Posted on May 21, 2009

  • 67 Answers

SOURCE: cruise control not engaging

replace cruise set switch on steering wheel removes with 2 philips screws.

Posted on Feb 09, 2009

  • 1 Answer

SOURCE: cruise control will not stay engaged

When I try to engage the cruise control, the dash light flashes, but it doesn't stay on.

Posted on Apr 16, 2009

warlock61
  • 659 Answers

SOURCE: abs light is on and cruise control does not engage

it sounds like the speed sensor in the rear differential is faulty

Posted on Mar 28, 2009

  • 3600 Answers

SOURCE: 2004 acura Tl cruise control wont engage

This is a problem you will to take to a shop, If you are mechanically inclined I can help you, but if not I would not mess with it, it could be the button or it could be the controller and could even just be a fuse, check the fuse and if you don't find the fuse blown then let me know if you have a volt meter and what to test this yourself. You are going to be working around the air bag too and if you probe the wrong wire while testing you could break your arm or leg by deploying the air bag by accident. Or your neck.

Posted on Aug 06, 2009

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1 Answer

Where is the fuse for cruise control on a 2003 envoy


It is HVAC 1fuse #39 in the rear fuse block ,this powers the on/off switch for cruise control ! Fuse Block - Rear Beneath the left rear seat. What engine does it have ? 4.2 L or 5.3 l There is no vacuum involved in the operation of the cruise control ! Your vehicle has electronic throttle control .
Cruise control is a speed control system that maintains a desired vehicle speed under normal driving conditions at vehicle speeds above 40 km/h (25 mph). Steep grades may cause variations in the selected vehicle speeds.
The following are the main components of the Cruise Control System:
?€¢
The powertrain control module (PCM)


?€¢
The On/Off switch


?€¢
The Resume/Accel switch


?€¢
The Set/Coast switch


?€¢
The TCC brake switch


?€¢
The stop lamp switch


?€¢
The throttle actuator control (TAC) motor


?€¢
The vehicle speed sensor


Cruise Control Engaged
The cruise control system will engage and adjust the vehicle speed based on the activation of the following cruise control switches:
?€¢
On/Off


?€¢
Resume/Accel.


?€¢
Set/Coast

The cruise control switches are located on the multifunction/turn signal lever.
The powertrain control module (PCM) monitors the signal circuits of the cruise control switches in order to determine when to capture and maintain the selected vehicle speed. The PCM uses the throttle actuator control (TAC) module motor in order to control the vehicle speed. For further information on the TAC System, refer to Throttle Actuator Control (TAC) System Description in Engine Controls - 4.2 L.
Ignition positive voltage is supplied from the 10 ampere HVAC 1 fuse to the cruise control switch via the ignition 3 voltage circuit. When the normally open cruise control On/Off switch is turned On, the switch closes and the PCM detects a high signal voltage on the cruise control on switch signal circuit. When the normally open Set/Coast switch is pressed, the switch closes and the PCM detects a high signal voltage on the cruise control set/coast switch signal circuit. To engage the cruise control system, turn the On/Off switch On and momentarily press the Set/Coast switch. The PCM will confirm that the cruise control enable criteria has been achieved. The PCM will engage the cruise control system and record the selected vehicle speed. The PCM sends a class 2 message to the instrument panel cluster in order to illuminate the cruise control indicator. Pressing the accelerator pedal, while the cruise control system is engaged, will allow the driver to override the cruise control system in order to accelerate the vehicle beyond the current set vehicle speed. When the accelerator pedal is released, the vehicle will decelerate and resume the current set vehicle speed. The driver can also override the current set vehicle speed via the Set/Coast switch and the Resume/Accel switch. When the cruise control system is engaged, pressing and holding the Set/Coast switch will allow the vehicle to decelerate from the current set vehicle speed without deactivating the cruise control system. When the Set/Coast switch is released, the PCM will record the vehicle speed and maintain the vehicle speed as the new set vehicle speed. When the cruise control system is engaged, momentarily pressing the Set/Coast switch will allow the vehicle to decelerate at 1.6 km/h (1 mph) increments for each time that the Set/Coast is momentarily pressed, with a minimum vehicle speed of 37 km/h (23 mph). When the normally open Resume/Accel switch is activated, the switch closes and the PCM detects a high signal voltage on the cruise control resume/accel switch signal circuit. Activating and holding the Resume/Accel switch, when the cruise control system is engaged, will allow the vehicle to accelerate to a greater vehicle speed than the current set vehicle speed. When the Resume/Accel switch is released, the PCM will record the vehicle speed and maintain the vehicle speed as the new set vehicle speed. When the cruise control system is engaged, momentarily activating the Resume/Accel switch will allow the vehicle to accelerate at 1.6 km/h (1 mph) increments for each time that the Resume/Accel switch is momentarily activated, with the maximum acceleration total of 16 km/h (10 mph) over the current set vehicle speed . Momentarily activating the Resume/Accel switch, after the cruise control system has been disengaged by pressing the brake pedal, will recall the previous set vehicle speed that is recorded in the PCM.

Sep 11, 2015 | Cars & Trucks

1 Answer

Cruise control not working


cruise controls are dependent on the following sensors all working together
brake sensor
clutch sensor
auto--vehicle speed sensor
rpm's sensor
fuse for the cruise control
cruise control switch either or all not working will stop the cruise control from engaging
road speed at which you can engage the cruise control has to be above a reset speed before it will cut in and work

Sep 05, 2015 | 2009 Chevrolet Chevrolet Equinox LS

1 Answer

Cruise control engages sometimes


Hi. Sorry but the question isn't clear. I know that the cruise control can be repaired. But what type of diagnostic information are you looking for? To find the source of the failure my shop would run diagnostics. Possible failures would include faulty blake light switch, worn or dirty cruise control switch, broken clock spring or issue with power or ground. Please write back and let me know what you are looking for. I will be more than happy to help.

Jan 29, 2018 | 2004 Lexus RX 330

1 Answer

Cruise control no go when button is pushed


I press the control switch on my 1999 Jeep cherokee. the cruise light doesn't come on and the cruise does not engage. Please offer a solution.

Nov 14, 2009 | 1999 Jeep Grand Cherokee

1 Answer

Cruise control will not engage even though the indicator on the Cruise on/off switch is illuminated.


Check that your brake lights are staying off. Brake light switch will put your cruise control into coast mode.

Sep 09, 2009 | 2004 Saturn VUE

2 Answers

Cruise Control on 2 door Sport 4x4 with SOHC: Non-working cruise control. When turned on, cruise control does not engage, no dash light indication either.


look in your owner's manual for the location of the cruse control fuse it is different from other fuses usually much larger

May 21, 2009 | 1999 Ford Explorer

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Abs light is on and cruise control does not engage


it sounds like the speed sensor in the rear differential is faulty

Mar 28, 2009 | 2003 Ford Explorer

1 Answer

Cruise Control Issue


The most common solution is to replace the brake light switch . The switch has 3 sets of contacts one set is for the cruise control. If the cruise control part is at fault the cruise control will not engage. The switch typically costs from 10 to 15 dollars.

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