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  1. C300 X-Pipe | Mercedes-Benz Forum - BenzWorld.org

    Oct 8, 2013 · So I was going through mods for c300 and I thought an x pipe mod would sound really good and pretty good for the price. I've already done so much to c300 since I've got it …

  2. Transmission downshifting issue | Mercedes-Benz Forum

    I have a 2015 C300 with 7speed trans. just turned 50K today. Each time I took car in for service I told mechanic about hard downshifting from 3rd to 2nd and upshift from 2-3rd as well. Each …

  3. 2015 C300 Crankcase Ventilation Valve Replacement P052E71

    Happened to my 2017 C300 back in 2019, and it happened again just now, thankfully a few weeks prior to going out-of-warranty. Dealer said out of warranty it would cost $2,500 (In …

  4. EIS/ESL issues | Mercedes-Benz Forum

    Dec 7, 2021 · Hello, I have a 2008 C300 with about 120K miles. Car was running fine until one morning the car would start. The battery is good, doors unlocked, radio worked and some …

  5. OBDII Port not working | Mercedes-Benz Forum

    May 21, 2015 · OBDII port not powering up Before creating this post I did a search on this topic but found no results. Recently I took my car to get a smog check as my registration is due for …

  6. How to Remove/Repair/Replace a C Class Electrical...

    Mar 22, 2021 · Hi W204 enthusiasts, I am normally lurking on the W220 Forum and only occasionally visit the W204 site as our 2008 C-Class has been pretty reliable. I have just …

  7. Recall 2023 Crankcase Vent Assembly | Mercedes-Benz Forum

    Aug 29, 2023 · I received a call from a Mercedes Benz Mechanic. Not affiliated with MB America saying that a recall just came out for my 2015 c class for the Crank case Vent Assembly. I …

  8. Recommended 3rd Party Diagnostic Tools | Mercedes-Benz Forum

    Jun 4, 2021 · owns 2011 Mercedes-Benz SL550 - Rodney Birmingham, Alabama (USA) - Current: 2011 SL550, Former: 2011 C300, 2010 ML350, 2007 CLK550 Cabriolet, 2002 C240, 2001 …

  9. CHEAT SHEET: Tightening Torques | Mercedes-Benz Forum

    Jul 28, 2025 · Tightening torques (Nm)* Engine tightening torques ML320 ML55 Comments Valve cover (kit) 8 Nm 9 Nm Camshaft bearing: M 7 x 84 10 Nm + 90 ° 10 Nm + 90 ° M 7x45 15 Nm …

  10. Rear passenger floor saturated in water | Mercedes-Benz Forum

    May 29, 2018 · Hi guys, first post here and I'm looking for some advice. I have a 2013 C300 and just this past week I noticed that there is water seeping up through the carpet in the rear …