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Oil leak at the front suspension

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Old 06-14-2024, 10:53 PM
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Oil leak at the front suspension

My wife's car is the 2017C class with only 52K miles and today I found a big oil leak on the right front passenger side. It looks like the engine oil, but I don't see any leak at the oil pan. The leak seems to be from the front strut, I'm not so sure and I wonder if anyone has this issue. The car has been running well with no issue. My wife does not drive much since she works from home. I may have to bring it to the dealer. Anyone has any idea, please let me know.
Old 06-15-2024, 06:42 AM
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Please post photos. How did you detect the oil leak? Drips on the floor? Smell the oil (wipe some on your finger), is it engine oil?
Old 06-15-2024, 09:37 AM
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Sorry, I forgot to take the picture. , because I wiped it off from the garage floor when I saw it. The oil seems to be engine oil. It probably dripped out when my wife when out during lunch hour for a short trip ( less than 10 miles) When she parked the car in the garage, it started dripping during the cool off period. The amount of oil was about 1/4 of a cup. The car is properly maintained . I bring it to the dealer for service every year for the last 6 years. It is due for the service at the end of this month. I am not good at Mecedes engine, but I wonder if the oil came from the turbo unit? The car 's performance is very good with no issue. I drive it from time to time during the weekend. I have an appointment with the dealer next Monday for the A service andask them why.
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Old 06-15-2024, 11:11 AM
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You have to spend time looking for the leak, and post photos here. Or ask the dealer to find it.

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Old 06-15-2024, 11:59 AM
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Yes I will. As of this morning , I drove for a while ( 20 miles) and park for 1 hour. I don't see any leak I keep monitoring it until Monday and will talk to the dealer.
Old 06-15-2024, 04:30 PM
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Take the engine cover off, use a bright LED flashlight, and find the leak. Take photos when you find it. Post them here.
Old 06-17-2024, 11:32 PM
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So I brought the car to the dealer for A1 service ( 7 years old car now) . They could not find any leak. They think my wife drove over something and the oil stuck in the wheel well. It started to drop as long as she parked in the garage. I don't see anything after the service ( it costs $1440). At least I feel better now.
Old 06-18-2024, 11:06 AM
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I would check the front CV boots to see if one cracked. The black axle grease that comes out looks like oil.
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Old 06-18-2024, 12:20 PM
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Thank you Jack, I will do so. After the service from the dealer yesterday. I have not seen any leak yet. The mechanic from the dealer has not found anything yet.
I keep an eye on it.

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