1. Home
  2. Advice
  3. Tags
  4. GL450

Showing articles & questions for topic
GL450

Related questions

Question
A new battery will not hold charge overnight. alternator is not the problem / 2 mechanics checked.
Hello. If the battery continues to drain overnight despite recent replacement, then there might be some sort of electrical short or malfunction somewhere on the vehicle that is draining the battery. A good battery should hold a charge overnight without...
Question
My Mercedes Benz Gl450 will tilt to the right quite a lot and the air matic won't work and the front right wheel almost touches the fe
This is likely a compressor issue. The compressor may be faulty or may have a bad connection. This can be tested several ways. You may have a code available from the computer which explains more about the compressor issue. You...
Question
What is the function of the auxiliary battery? How is it related to the intelligence servo module?
Hello - these two components are unrelated. The principle function of the secondary battery is as a backup for the primary battery - for the Sensotronic Brake System, which uses electronic pumps for brake pressure to each wheel - not...
Question
Q: how often do i change my oil
My service manual says to change oil and filter every 13,000 miles or 12 months. You should verify this in the owners manual and with a local dealer just to verify.
Question
Im planning on buying this car
Hello, thank you for writing in. It is difficult to say what the average maintenance costs would be. Reasons mostly including geographical differences and a lack of knowledge of previous repairs. The cost of parts and labor will vary greatly...
Question
Q: Car won't turn over
The battery should be load tested by a professional. Load testing can only be reliably performed on a fully charged battery. If the battery passes a load test be sure it is NOT a marginal pass in which case you...
Question
Car won't start. Can't determine if either ISM is bad or hydraulic valve body need to be replaced.
I presume your saying that your car does not crank when you turn the key, because that is the only fault I would expect to be associated with transmission parts controllers.The ISM (intellegent servo module) is responsible for the transmission...
Question
My engine fan is not kicking in, but my temp is between 80 -100. Is my thermostat bad because my check engine light just turned on
This can be caused by a number of things such a faulty thermostat, or a failing coolant fan switch. As you may know the coolant fan switch helps to maintain the proper coolant temperature by turning on and off at...
Question
Hi my Mercedes Benz gl450 2007 airmatic leans a bit more on the driver side left front and a bit front the rear.
Hi there. Check the plumbing to the air shocks system on the driver side and see if there is a leak. You may have to spray the lines down with water and soap to see the leaks as the mixture...
Question
Abs and esp light on
The ABS (anti-lock braking) and ESP (electronic stability program) lights usually come on at the same time because the two systems share components. WHen the lights are on, it means that the controller has seen a malfunction and stored a...
Question
I have a Mercedes GL450 with 13000 miles that was due for a B1 service. The dealership charged $750. Is this normal for a Mercedes
Hello. This is a normal charge from the dealer. Though they do a good job on the vehicle they will be quite a bit higher than independent technicians. If you want to have this done outside of the dealer next...
Question
Good morning! How much would you charge me for replacing a the two front air bag suspensions and springs?
You can obtain an instant, detailed written quote, and schedule the repair to suit your needs, by visiting YourMechanic’s suspension airbag replacement service page. Once on that page, please click on "Get a Quote" and enter your location (zip code)...
Question
Need to find the location on the vehicle of TPMS ECU
Hello, and thank you for writing in. There is likely another fuse box on the inside of the cabin at the passenger floorboard. Check there first. Then you can check next to the fuses below the steering column buy the...
Question
Pricing and pairing
Hi Cissey. To request an estimate for the oil and filter service on your Mercedes-Benz, please click this link to the service page, then select the "Get a Quote" button. In regards to pairing your phone, that depends on the...
Question
No users manual
You did not mention the year of your vehicle. You would need to order a manual from the local dealer if it is still available.
Question
We are getting a fuel pump replacement on a 2007 gl450 and the dealership is quoting us $2500 this seems unreasonable is it?
Hi Daniel. Thanks for submitting your question today. You are correct - that estimate is outrageous. However, it's on PAR with typical Mercedes-Benz, BMW or other European OEM dealership repair costs. In support of the dealer, the fuel system on...
Question
Hood stuck partially open/shut, center latch won't release
Hi Christine. Thanks for contacting us today. This is a tricky issue. If you have a small piece of soft metal, like aluminum that can bend but remains ridged, you can attempt to "POKE" the radiator cap out of the...
Question
GL450 has no power. It’s completely dead.
It's possible the battery might just be coincidentally dead. So, to rule that in or out, the first thing to do is load test the battery. If the battery is fully charged, then an electrical system diagnostic must be performed....
Question
Air suspension in gl450, does it suppose to move when it's parked and running?
The air suspension is an active system and can adjust up or down any time when it is running.
Question
Leak in air system? Gl450
I'm assuming you are talking about the air suspension system that Mercedes offers on several of their cars. Air suspension is great for about ten years or a hundred thousand miles. Then it can become a real pain in the...

Need a mechanic?

Our certified mobile mechanics make house calls in over 700 U.S. cities. Fast, free online quotes for your car repair.

Get a quote

Post a question and get free advice from our certified mechanics.


Ask a question