How to Replace a Fuel Pump on a Mercedes CLS550

In this video, I show you how I fixed a fuel leak and fuel smell issue on my Mercedes CLS 550 by replacing the fuel pump assembly. If your Mercedes smells like gas or you notice fuel leaking from the top of the tank, this is one of the most common causes. I walk you through the full process step-by-step so you can understand what’s actually failing and how to repair it without guessing or wasting money on random parts. IMPORTANT TIP: The MTR (fuel pump cover / access panel) and the gas tank design on this car actually make this job easier and less messy than most people expect. Since the pump is accessed from inside the car, you don’t have to drop the gas tank, and you avoid a lot of fuel spilling everywhere if you do it correctly. This makes the repair cleaner, faster, and more DIY-friendly compared to many other vehicles. If you’re dealing with: – Fuel smell inside the car – Fuel leaking near the pump – Hard starts – Loss of pressure – Gas odor after filling up This video shows you exactly what to check and how to fix it. This repair can save you over $1,000 compared to dealership prices, and it’s something most DIY owners can handle with basic tools and patience. Car: Mercedes-Benz CLS 550 Engine: M278 V8 Problem: Fuel pump / fuel leak / fuel smell Fix: Fuel pump assembly replacement Subscribe for more Mercedes DIY, repairs, and real ownership content. #Mercedes #CLS550 #FuelPump #FuelLeak #MercedesDIY #GasSmell #CarRepair #DIYMechanic #M278 #MercedesBenz #FuelPumpReplacement #AutoRepair #GermanCars #FixItYourself #CheckEngineLight #CarMaintenance #FuelSystem #V8 #LuxuryCars #MechanicLife #AutomotiveContent #HowToFix #GarageLife #ArmenianKnight