W204 limp mode. Its been 3 years but finally something has broken on the unbreakable Mercedes W204. Jun 23, 2025 · I’ve a facelift W204 diesel and last night on the motorway I pulled out to overtake, when I put my foot down there was no boost and I was capped at 3000rpm. 10 Engine light is on, and two faults which I cant erase; P207400 The position of the throttle valve is implausible compared to the mass air flow rate or the intake manifold pressure ( in partia load operation) Jun 18, 2020 · problem with car going into limp mode the odd time. They have tried various things including new hoses and replacing the engine exhaust temperature sensor. So, today I bought an ODB reader and the code was P0401 Exhaust EGR Flow Insufficient. Oct 3, 2019 · Lastly, it seems that you are having a fueling problem (low fuel delivery) which can have catastrophic effects on a turbo car. Nov 11, 2023 · Got a Mercedes in limp mode? Don't worry! This guide explains the symptoms you may notice, what might be causing it, and how to safely bypass it. Luckily I had my icarsoft v3 on my and was able to do a quick scan, no lights were on the dash and I had to you the manual gears because to Mar 12, 2018 · w204 c250 cgi limp mode Jump to Latest 4. The Bluetooth ELM and app turned off the EML and cleared the code but still in limp mode, fault code is re-registering. Nov 21, 2025 · Mercedes power loss and limp mode? Diagnose turbo problems, boost leaks, DPF faults, acceleration issues and sensor failures with this complete troubleshooting hub. odm mztkg rtih mkwljb ofob aqjan yyn vqca qjjk uyzm