Where to go to replace an alternator on a Mercedes Benz?

Where to go to replace an alternator on a Mercedes Benz?

Followup from the Pelican Staff: You can remove them and go to hardware store and match them up with a gauge. With your vehicle info handy, give The Pelican Parts parts specialists a call at 1-888-280-7799. They can figure out what part or repair kit you need.

What to do if your alternator goes out?

The first thing to check is the battery light on the instrument cluster. This light bulb is part of the alternator field circuit; if it burns out the alternator will not charge. Simply turn the key on and see if it illuminates briefly then goes off. If the light does not illuminate, you’ll need to replace it before continuing.

How to replace timing chain tensioner on Mercedes Benz W203?

If you do not have a retaining pin you can use a 5mm Allen key. The alternator is held to the engine by two bolts. Use an E14 Torx and remove the two bolts. There is a spacer that is pressed in the mount that you may or may not have to press out a little to get the new alternator installed.

How to replace a Mercedes Benz air filter?

You will need to remove the two air inlet ducts (red arrows) as well as the front engine cover (yellow arrow) to get access to the air filter housing on top of the engine. Remove each duct by compressing them towards the engine (red arrow) and slipping them off the air inlet. With the ducts off remove the front engine cover.

Followup from the Pelican Staff: You can remove them and go to hardware store and match them up with a gauge. With your vehicle info handy, give The Pelican Parts parts specialists a call at 1-888-280-7799. They can figure out what part or repair kit you need.

What should I do if my alternator is not working?

If that’s all good then replace the regulator. If not then buy a rebuilt alternator and install it (the rebuilt will come with a regulator). If you’re not very well DIY inclined you could just buy the rebuilt alternator and do the R&R, that’s pretty simple (just be sure to disconnect the battery first!).

If you do not have a retaining pin you can use a 5mm Allen key. The alternator is held to the engine by two bolts. Use an E14 Torx and remove the two bolts. There is a spacer that is pressed in the mount that you may or may not have to press out a little to get the new alternator installed.

What should alternator voltage be with battery off?

If the battery is faulty, your alternator tests will not be accurate. This should read a little more than 12 volts with the engine off. Next check the voltage of your charging system under load, the voltage should be within 13.2: 14.5 volts d/c.

How do you remove an alternator from a Mercedes Benz?

Lower the alternator down a little so you can get access to the connections on the back. Unplug the harness, pull the plastic cover off the cable connector and use a 15mm socket to remove the cable. Now you can slide the alternator out of the engine.

How to replace alternator on Mercedes Benz E C CLK SLK s?

Tighten the nut for the electrical cable ( positive +) between 15-18Nm. Plug the electrical cable on the back of alternator and make sure it clicks when you push it in. That way you know it is locked in place. Reinstall the serpentine belt, the engine cover and the reconnect the battery. 2 Bolts that hold the alternator in place. Max 45 Nm.

Tighten the nut for the electrical cable ( positive +) between 15-18Nm. Plug the electrical cable on the back of alternator and make sure it clicks when you push it in. That way you know it is locked in place. Reinstall the serpentine belt, the engine cover and the reconnect the battery. 2 Bolts that hold the alternator in place. Max 45 Nm.

The first thing to check is the battery light on the instrument cluster. This light bulb is part of the alternator field circuit; if it burns out the alternator will not charge. Simply turn the key on and see if it illuminates briefly then goes off. If the light does not illuminate, you’ll need to replace it before continuing.

When to disconnect battery cable to test alternator?

Never disconnect a battery cable while engine is running to test alternator, you may cause damage to alternator or other electrical components from the surge in amperage. If your battery appears to be leaking, then your voltage regulator has probably failed.

Never disconnect a battery cable while engine is running to test alternator, you may cause damage to alternator or other electrical components from the surge in amperage. If your battery appears to be leaking, then your voltage regulator has probably failed.