Is there a problem with my Mercedes air pump?

If your Mercedes sounds like a a jet engine in the morning or a circular saw when you start the engine you probably have a problem with the Secondary Air pump – It might be a free repair or very expensive – Mark shows you the problem, the tools needed to fix it and how you might get it fixed for free under a little known warranty Loading…

What are the symptoms of a bad air pump?

$0.00 1 Engine is running rough One of the first symptoms of a bad or failing smog pump is a rough running engine. 2 Reduced horsepower Another common symptom of a bad air pump is a reduction in power output from the engine. 3 Check Engine Light comes on

Why do I have a code p0410 on my secondary air pump?

If you have a code P0410 that relates to secondary air pump, there are a few possibilities that could trigger this code. 1. It could be a bad secondary air pump. We have a video that will show you how to test a secondary air pump 2. It could be relay that does not activate the secondary air pump 3. It could be bad fuse 4. Bad connection

What is the code for secondary air injection?

Most of them have the same setup. This repair was to resolve a check engine light giving code P0410 – secondary air injection malfunction. The beginning of the video, I explain background on how I knew this was the necessary repair in this case (P0410 is a general code which may be triggered by various causes). This is a common Mercedes problem.

What to do if your Citroen air pump malfunctions?

The TSB calls for the replacement of the AIR pump and the installation of a new secondary injection hose. The TSB can be found on this ACDelco site. Additionally, if you simply replace the AIR pump the problem may return again (and again). If you replace the pump, also clean out the hoses and replace the one-way check valve.

What to do if there is no power to the air suspension pump?

If there is no power going to the air suspension compressor, check the air suspension fuse and relay. Here is a picture that shows no power to the air suspension pump. The next step would be to use a professional diagnostic scanner such as the iCarsoft MB II to check the fault codes for the Air Suspension Control Unit.

How long does Mercedes Benz air injection pump last?

Make sure this fits by entering your model number. New aftermarket replacement part. Manufacturer warranty for 180 days from the date of purchase. Only 16 left in stock (more on the way). Only 16 left in stock (more…

Where is the air compressor fuse located on a Mercedes Benz?

For example on the Mercedes-Benz S-Class W220, there is a air compressor relay and fuse 32 on the fuse box located on the passenger side of the engine compartment. Here is a picture that shows where they are located.

What causes a Mercedes Benz air suspension to fail?

Faulty relay or Blown Fuse The air suspension compressor relay is known to fail. It could either not engage the air suspension compressor at all or even worse keep it engaged for longer that required. If the air suspension compressor is kept engaged for too long, it can get damaged.

Where is the level sensor on Mercedes Benz air suspension?

If you need help with troubleshooting the airmatic valve assembly watch this video. Level sensor is faulty They are located at the rear and front suspension. When they stop working the air suspension control unit may no longer be able to recognize the height of the car.

How to change an air compressor on a Mercedes Benz?

This installation guide will help you change your failed air compressor on any Mercedes-Benz with AirMatic or ABC suspension. Changing the air compressor pump on a Mercedes-Benz is not difficult. For this repair you will a replacement airmatic air compressor.

When to replace the air pump check valve?

If your car is not passing a smog test one of the things that could be wrong is the air pump check valves. This article will show you how to replace the air pump check valves on a Mercedes-Benz W203. Begin by disconnecting the ground from the battery and making sure it can not accidentally make contact again while you are working.

Where is the smog pump on a Mercedes B200?

This is where the air injection pump for the smog system of a Mercedes Benz b200 is located. It is right under the windshield washer tank. Really easy to get to. You might need to bend the metal bracket in which the pump is bolted to access the nuts but it can easily be bent back into place.

What should I do for my Mercedes Benz 190?

An important part of your yearly maintenance schedule should be the inspection and, if necessary, the replacement of your spark plugs, wires, cap and rotor. This article will walk you through it step-by-step.

Can you replace the solenoid on a Mercedes 190E?

You can replace the vacuum solenoid and get those doors opening again in no time by following this article. If you are driving a 190E, you already know about the issues with failing front door locks. You can replace the vacuum solenoid and latch and get those doors opening again in no time by following this article.

How to replace a secondary air injection pump?

Step 1: Locate the air injection pump. The air pump is at the front of the engine with the serpentine belt wrapped around it. Tip: Make sure there is a belt routing diagram under the hood of your car so you know how to reinstall the belt. If not, take a picture of the belt routing with your phone before proceeding further.

Where is the air injection pump located on a car?

Typically, the Check Engine Light will be illuminated and diagnostic trouble codes (DTCs) will be stored in the PCM. Step 1: Locate the air injection pump. The air pump is at the front of the engine with the serpentine belt wrapped around it.

What happens when an air injection pump goes bad?

Problems with the air injection system can result in increased emissions and engine performance issues. Typically, the Check Engine Light will be illuminated and diagnostic trouble codes (DTCs) will be stored in the PCM. Step 1: Locate the air injection pump.

How do you replace an air injection pump?

Remove the serpentine belt by inserting a ratchet end into the square slot on the tensioner. Push the tensioner away from the belt and slide the belt off the pulleys. Note: Some older vehicles use a v-belt instead of a serpentine belt. In this case, loosen the pump mounting bolts and the adjustment bracket.

What are the components of an air injection pump?

The air injection system introduces oxygen into the exhaust engine at certain times to reduce emissions. Typical system components include the PCM, air injection relay, air injection hoses, valves and the pump. The air injection pump can be either belt driven or electric – for this article, we will focus on the belt-driven design.

What is the recirculated air button on a Mercedes?

This is as far as the cylinder will go without cranking the engine. Press and hold the defrost and recirculated air buttons simultaneously. The defrost button has three lines going through it, while the recirculated air button has a picture of a car with a curved line through it.

How to turn off air conditioner in Mercedes medic?

Simultaneously press down and up arrow push buttons until the pre-selected temperature setting of “72 °F” is displayed. Turn ignition off. 1) Turn ignition on. Simultaneously press down and up arrow push buttons until the pre-selected temperature setting of “72 °F” is displayed. Press the AUTO push button.

Why is my Mercedes air conditioner not working?

Your Mercedes vehicle will flash a host of service lights to inform you when something might be damaged inside the car. If the air conditioner unit is not running normally or is only blowing out warm air, it may be a temporary fault. Sometimes the unit isn’t actually damaged, and resetting your climate control unit …

How to troubleshoot your Mercedes Benz air conditioner?

Identify the location of your compressor. Look at the pullyer and you should be able to see if it spining or not. The engine running turn the A/C on max cool, set fans high, and make sure that the clutch is engaging on the compressor. The pulley spins any time the engine is running. The center part of the A/C pulley only engages when the A/C is on.

How to troubleshoot Mercedes Benz air suspension problems?

Learn how to troubleshoot Mercedes-Benz Air Suspension Problems. You decide to buy a Mercedes-Benz, maybe an S-Class, CLS-Class, R-Class, CL-Class or E-Class. One day you hear of other Mercedes-Benz owners having suspension problems. The next day you start having air suspension problems yourself.

What should the fuse look like on Mercedes Benz air suspension?

Procedures are similar for other Mercedes-Benz with air suspension, but the location of the relay and fuse may change. In this S-Class W220, the air compressor motor /pump is protected by Fuse 32, which is a MaxiFuse 40 Amp. Here is what a good fuse should look like.

Can a 2002 Mercedes Benz drive cycle be incomplete?

Also, one customer with a 2002 Mercedes was unable to complete the secondary air injection monitor until one evening he allowed his vehicle to idle for 5-20 minutes in his driveway. He then turned off his vehicle and restarted the vehicle the next morning and allowed it to idle for another 5-10 minutes.

What happens if the air suspension compressor fails?

Air suspension compressor Failed (Easy DIY repair, Average cost $200) The air suspension compressor does just that, generates compressed air. It fills up all the air struts, and it can fail. They either seize up, fail to produce the required pressure or the brushes inside them wear out.

What kind of fuel pump does a 500SL use?

Click here to order! In the early years of the 500SL they used a CIS (Continuous Injection System) to inject fuel into the engine. This half mechanical system could continue to work even if the engine electronics completely failed.

What causes a check engine light on an air pump?

This will usually only occur after the computer has detected the air pump has completely failed, or an electrical problem with the air pump circuit has occurred. A Check Engine Light can also be caused by other problems, so it is important to have the computer scanned for trouble codes before making any repairs.

How can I charge my Mercedes ML320 air conditioner?

You will need to press and hold the quick-release at the end of the hose, insert it on the AC charging port then release it. Read the pressure in your air conditioner system. If the pressure is low the gauge reading will be in the white zone.

How to recharge ML320 W163 1998-2005?

How to recharge the Air Conditioner (A/C) system of your ML-Class W163. Turn the engine on and let it idle. Turn the air conditioner ON and set it to the maximum cold setting. Open the hood of your ML320 W163 and locate the low-pressure AC service port and remove the cap. Attach the refrigerant gauge to the service port.

What should the pressure be on a Mercedes air conditioner?

Read the pressure in your air conditioner system. If the pressure is low the gauge reading will be in the white zone. If the pressure is normal then the gauge should be in the green zone. You should not have a reading on the HIGH / RED zone except when the car is turned off, in which case it is normal. Always keep the can UPRIGHT.

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