Showing articles & questions for topic
GL450

Based on your description, it sounds like your 2007 Mercedes GL450's fuel pump may be randomly shutting off. This can be due to a malfunctioning powertrain control module (https://www.yourmechanic.com/article/symptoms-of-a-bad-or-failing-engine-control-module-ecm) as the repair shop told you. This can also be related...

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 (https://www.yourmechanic.com/services/battery-is-dead-inspection). If the battery is fully charged, then an electrical system diagnostic must be...

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...

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...

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...

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...

If your brakes are squeaking, this can be caused by a number of different things. The brake rotors (https://www.yourmechanic.com/services/brake-rotor-disc-replacement) could have a surface finish that no longer promotes quiet braking. The brake rotors should have a criss-cross looking surface finish...

I would recommend taking the battery out of your key fob to see if that makes a difference. It is possible that there could be a short within your key fob that is causing the locks to jump. This is...

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.

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...

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...

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...

This can be caused by a number of things such a faulty thermostat (https://www.yourmechanic.com/services/thermostat-replacement), or a failing coolant fan switch. As you may know the coolant fan switch (https://www.yourmechanic.com/services/cooling-fan-relay-replacement) helps to maintain the proper coolant temperature by turning on and...

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...

It is very possible that something may not have been tightened down enough during the alignment that you had done and that something slipped out of place. Alignments (https://www.yourmechanic.com/article/how-to-know-if-you-need-a-wheel-alignment-by-robert-tomashek) are very sensitive and are measured down to the hundredths of...