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SL500

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Question
Soft close trunk feature not working
This is a common issue on your car. Most of the time it is caused by a programming issue. The rear module needs to be reprogrammed to fix this. If the problem continues then the contact sensors may have failed....
Question
Car is too low
The leveling system on your vehicle works much like filling balloons. When the sensors detect the car is too low, they turn on a pump that fills the bags with air to bring the car to the proper height. If...
Question
Random gear shifting
Hello, it sounds as if you have a faulty transmission pressure control solenoid or contaminated fluid. Also, the electronic gear shift sensor under your gear shift could be compromised if something has spilled on it. I suggest that you have a...
Question
Car leak, ABS on, car too low warning
Hello. I would think that your strut has blown out an internal seal or a brake component such as a brake line has failed. I suggest to have a professional technician inspect the braking system and strut for leakage to...
Question
Random shifting in and of neutral position
Hello. If the noise is only heard when shifting gears it is likely that you have a worn transmission or engine mount. I'd recommend getting some help from a certified technician who can diagnose your shifting issue firsthand and inspect...
Question
Starter turning over without cranking
Hello. Two common component failures that will cause the conditions you've described are a faulty fuel pump relay or a crank position sensor. Both parts have the potential to fail intermittently when they become hot. But when they cool off...
Question
Electrical problems with keyless entry, headlights and radio
Hello. We will be happy to assist. The problem you are experiencing is common. The symptoms you have are identical to many other SL500 owner complaints. The component which causes all the misbehavior is the EIS (Electronic Ignition Switch). Symptoms...
Question
Q: I need a website where i can find spare parts.
There are several such sites. If you are looking for used spare parts, the enormous catalog/database at www.car-part.com is one of the better ones. Obviously, if you are looking for new spare parts, such are already vended by VIN at...
Question
esp bas light on dash keeps coming on
There is a TSB (technical service bulletin) for this issue. It does say the brake switch is the source of the problem. At least it can be the source of the fix. But it doesn't say replace the switch. Apparently...
Question
Why is my car blowing hot air and cold air at the same time?
The answer to this depends on whether you have switched on heating, cooling (A/C) or neither. In one scenario, for example, if you have not switched on the A/C system, but the A/C is running as confirmed by a visual...
Question
The ASR light came on and the car went into limp mode - (the gas pedal work from the middle of pressing it).
Hi there. The ASR light is on for an issue with the throttle pedal position sensor located on the gas pedal. You may be able to reset the parameters without replacing any parts. Perform the following to reset the lights...
Question
Can I have my jump starter plugged in to an outlet as if i was charging, then connect it to a batter and turn it on? Will that cha
If the vehicle battery happens to be more than 5 years (60 months) old, don't bother fooling with it. Buy a new battery and be sure the new battery is fully charged by the store before you install it, otherwise...
Question
PSE pump is not working will the roof work?
The PSE pump is often a victim of drowning. Mercedes really goofed when they decided on the location. As for its function, it operates low power devices like the door locks and the retractable trunk handle and little things like...
Question
97 SL 500 putting new relay in for a fuel pump getting no power to the fuel pump
There is no shut off switch. If you desire, a certified mechanic dispatched by YourMechanic can perform an electrical component/circuit diagnostic and find and repair the interruption. Such a diagnostic relies on the factory wiring diagram of the circuit and...
Question
Engine and Transmission mounts have collapsed. Do they have to be replaced immediately? How much for both? TBC....
If the engine mounts are faulty, the drive axles will operate at the wrong angle eventually causing premature wear-out of the axles so it is important to get the mounts replaced. If you would please refer to YourMechanic's motor mount...
Question
Will using the brake pedal to reset the SBC counter work?
Good day Chibuikem, Thank you for contacting us today. We typically stick to the OEM repair tips and service ideas. According to MB, the right way to resolve this problem is through computer reset procedures - using an OBD-II diagnostic...
Question
I can't access the auxiliary fuse box in my 2003 SL 500
Hi Chibuikem. Unfortunately, we are unable to attach any images or documents through this platform. Your best bet is to purchase a service and repair manual for your Mercedes-Benz SL500, as it should have step-by-step instructions for gaining access to...
Question
I'm trying to figure out the manufacturing date for my Mercedes battery.
If you see a letter followed by two digits that is "replace before date". The letter signifies the month and the number signifies the year. For instance, if the code is D19, the expiration date is April, 2019. However, if...
Question
I have some battery date codes i want to decode.
According to the local Mercedes Benz dealer, the dates stamped on the terminals represent the month and year the batteries were manufactured. Generally, advice in the industry (this is not from MB) is don't buy a battery if the DOM...
Question
My 2005 MBZ SL500's dimming rear view mirror stays dark in daylight unless I turn on the adjacent overhead light.
What you are describing is likely a consequence of a failure of the ambient light sensor on the forward facing part of the mirror, although check to be sure that the light sensor is not somehow "blocked". The sensor is...

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