Mercedes-Benz Repair and Maintenance
A guide to problems, costs, maintenance and repair for your Mercedes-Benz
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Mercedes-Benz ProblemsInternal Component Failure May Cause Rough Shifting
Vehicles equipped with a 7-speed automatic transmission may develop a rough shifting condition, most commonly going up from first to second gear and going down from third to second or second to first gear. Our technicians tell us this is due to an internal component failure. Mercedes has released updated parts; the transmission will need to be removed and disassembled to complete the necessary repairs.
PSE system, voice control module, or Tele Aid module failure can cause a lack of audio. These same modules can also cause dead battery conditions when they fail to "time out." Many electronic control modules are active even when the engine is off. If these modules stay active, they will drain the battery, which is why they have a timer built into the modules. The timer shuts down the modules after a preset amount of time (timing out). If a module does not time out, it will stay active and drain the battery.
The crankshaft position sensor may fail. Symptoms of this are: The engine will crank—but not start—especially when the engine is warm. The car may start again if it is left to cool off, but it may run roughly or have poor performance. Communicating these specific symptoms to your technician can save diagnostic time.
Mercedes-Benz QuestionsI have been using premium gasoline, should I switch to pure gasoline? (1 answer)
I have been using premium clean gasoline and wonder if I should start using pure gasoline.
I replaced the crankshaft position sensor and the fuel pump. Still my ML430 will not start. It cranks and it sounds like it is going to start, but dies instead. It has been down for two and a half months. It was in a shop, but they couldn't even remove the faulty crankshaft position sensor so...
Headlight wiper just stopped working left side is in the proper parked position,the right side is parked in the top stroked position. The fuse is OK
Mercedes-Benz RecallsRight Rear Seat Belt Anchor Bolt Incorrectly Installed
The right rear seat belt anchor bolt may not be installed properly. Dealers will inspect and if necessary correct the installation of the right rear seat belt anchor bolt free of charge to resolve the concern.
The electric power steering assist may fail to operate due to a software error. Dealers will update the software for the power steering control unit free of charge to resolve the concern.
The headlights may not be aimed properly. Dealers will inspect and if necessary adjust the headlamp assemblies free of charge to resolve the concern.