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SL500

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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
I need the glass for the third stop light only.
All you have to do is go to a search on the internet and put in 2003 mercedes sl500 third brake light and you will have tons of options to purchase the lens or the complete light and also get...
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
I can't find the right alternator for my Mercedes-Benz. 2003 Mercedes SL500
Hello - any of the MB parts sites selling a "12v, 150 amp" alternator that fits your SL500 is selling the correct specification alternator. Your cars electrical system is nominally 12 volts. The voltage regulator within the alternator allows the...
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
Why does the emission inspection failed almost every time its due for DMV inspection?
Hi there: Honestly, the lack of consistent driving could be the reason why you have frequent emissions issues. If the car does not run frequently and have an opportunity to circulate built up carbon deposits on the inside of the...
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
How do i configure boot so that roof can enter?
I would recommend checking your owner's manual for this information. I would imagine if there is room for stuff with the top down that it is ok to put stuff in it.
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
Stalling when reaching operating temperature
Hi There, It sounds like you may have a faulty coolant temperature sensor. This may cause the motor to be supplied with too much fuel as the computer will have trouble determining when the cold start enrichment process will need...
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 need to know the specifications for the original batteries ( starter and auxiliary ) for my 2003 SL500.
Hi Chibuikem. Thank you for writing in today to inquire about the OEM specs for the primary and secondary battery for your MB. Unfortunately, we are unable to locate a website or online resource for you to review that provides...
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
R129 brake pad wear indicator
Brake pad wear on this vehicle is monitored by an electronic sensor. There are no metal clips. The pads can easily be visually inspected for thickness of remaining friction material. Pads are generally considered worn out when only 1 to...
Question
My car looses acceleration after i punch it
Hi Raymond. Thanks for contacting us today. Typically when a car loses acceleration when you "stomp on the loud pedal", it's due to a failure to ignite the existing fuel to air mixture. This is caused either by the air...
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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