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  1. Uky

    2019 C200 poor ride quality

    The rims that came with my C238 are 20" and they are the only part of the car that I utterly dislike. Even as I use "comfort" suspension setting, the ride is hard and the road noise disturbing. When the tires are worn out, I will replace the rims with 18" which is the smallest possible size that...
  2. Uky

    OTA map update

    ...AI is nowhere near my "ME" account. Got a message a few weeks ago that Map updates Version 26 is now available. OTA for my home region but ME suggested manual download for other regions. So I logged in, selected the entire western continental Europe and downloaded the map data. It did take...
  3. Uky

    Replacing one's own battery

    Nice video. +++ for having tha camera in a fixed position while showing the process. There are however a few hints that I would like to add that will keep many settings unchanged so that they will not have to be re-entered after a battery replacement. The procedure below is used at least in the...
  4. Uky

    Engine not warming up

    Regarding the engine coolant: Some brands uses a sensor that simply measure the resistance between two metal strips to check the level. A small current flowing = level is above lower limit. Cars that uses resistance measuring for coolant level check does allow the use of ordinary tap water...
  5. Uky

    Jap Import W222

    I can only refer to problems with re-localization of cars that have been imported privately - once manufactured and configured for the North American market where speedometers, DRL's, rear turn signal colors, navigation, etc. differs from Europe. Most manufacturers tries to minimize the number...
  6. Uky

    Red warning light, Stop Vehicle. See owner’s manual

    A battery warning could indicate that either the battery or the charging system is malfunctioning. Testing for this includes: - Load test using a tester that discharges the battery with a (very) high current an at the same time records the voltage drop. This will test the battery for capacity...
  7. Uky

    Engine not warming up

    MB does sometimes manage to hide cable harnesses well... A not to uncommon problem is water ingress into the connectors of different cable harnesses. Or that one or more metal sleeves becomes dislocated and fails to make proper contact with either a sensor or the CAN/LIN/K-Line parts of the...
  8. Uky

    TPMS & rotations of tyres

    There are three types of TPMS: 1. One that checks for any unbalance between wheels on the same axis. This "primitive" system reads the ABS sensor pulses. A flat tyre rotates faster which will trigger a warning. No actual pressure is measured. (This is really only a warning system but very cost...
  9. Uky

    Service plans doubled overnight?

    ...In Germany, AMG stands for "Adiö Mein Geld" (= Goodbye my money)...
  10. Uky

    Android Auto on Merc E class C238 2019 has mind of its own

    To me it sounds more of a cell phone coverage problem than a cable issue. Since my Sony Xperia is too old to use the NFC pad in the center console, I installed a cell phone holder with a USB connection that keeps the phone at about the same hight as the digital dash (but not blocking any view)...
  11. Uky

    Considering Stage 1 Remap for my 2016 Mercedes C220d AMG Line - Seeking Advice

    Where I live, some insurance policys are based on the mileage and/or age but you are probably right. :)
  12. Uky

    Considering Stage 1 Remap for my 2016 Mercedes C220d AMG Line - Seeking Advice

    Know then that any operating condition outside the engine management systems pre-set limits that is detected will trigger hidden flags that can (and will) be retrieved if later claiming warranty due to engine failure. The procedure is hidden and password protected and it is used by MB to...
  13. Uky

    Enabling Dashcam on mercedes GLB - resolved

    Regarding dash-cams, I remember hearing something about integrity issues/regulation that differs between countries. Specifically Tesla that makes use of cameras to register movements of people moving in close proximity to a parked vehicle is affected by this...
  14. Uky

    Mercedes E250 W212 Coolant and Overheating issue

    (This may not apply to your engine), but for the M/Y 2009 4-cylinder in-line CGI engine, the thermostat had both a temperature sensor and a heating resistor for temperature control. Those thermostats had a quality problem: A rubber gasket inside the thermostat was prone to loosen and blocking...
  15. Uky

    W212 Facelift rear LED fault

    I am sorry but I do not. In my case (a CL500) it was some of the thin copper traces on the PCB that had corroded away. Surface monted resistors comes in different sizes. Most of them has the resistance printed on them in very small text. Like "102" for 1kOhm, "391" for 390 Ohms, etc. Physical...
  16. Uky

    CLS 350 Headlamp moisture

    Other units, like control boxes where the moisture ingress occurrs results in the forming of galvanic bridges across circuit board (copper) traces. The result is either open or shorted tracks, some of wchich can be seen as dark pollutions or carbon deposits on the circuit boards. I have been...
  17. Uky

    CD player for 2017 W213

    To make things easier, shorten the names of the folders as well as the music titles before copying the music to the USB stick. Before copying, format the stick correctly in order to get rid of bloatwares and debris from previous use. I think it was "FAT32" at the time.
  18. Uky

    Device Unavailable

    Before taking it to the dealer, try disconnecting the battery (in order to have all devices powerless) for a few minutes and then reconnect. I had a similar problem with my CL (although it was the previous C215). After each diagnostic session with the Xentry/Star, there was no audio. had to...
  19. Uky

    ABC hydraulic suspension

    Have car take the "Rodeo"-test. This will exercise the ABC-system and it is initiated and perfomed using the Xentry system. In the beginning, many service stations replaced valvs that had been "frozen" but after realizing that a valve could be accidentally stuck the rodeo test was introduced...
  20. Uky

    9cff code. Squib for pyrofuse excessively low resistance

    I used to have "some access" to the Xentry system thanks to a friend working for Mercedes but he retired some years ago. I cannot answer the question but error codes may be differently displayed depending on the diagnostic tool used. You will need to check your car with a Xentry system.
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