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Resources for the Repair and Maintenance of your 2004 Mercedes-Benz C320 4MATIC

2004 Mercedes-Benz C320 4MATIC

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2004 Mercedes-Benz C320 4MATIC Problems

Heating & Air Conditioning -- Verified

A repetitive clicking noise from behind the center area of the dash panel is usually caused by a broken stepper motor actuating arm. The actuating arm controls the direction of air flow in the climate control system. Disassembly of the center console will be required to access and change the broken arm with the updated, reinforced part.

Miscellaneous -- Verified

Inside grab handles, the upholstery on the center console cover, and door trim panels can delaminate. Most commonly replacement of the affected part is necessary.

Exhaust & Emissions -- Verified

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Catalytic converter failure is common and may cause a Check Engine Light to illuminate.

Engine -- Verified

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.

Drive Train -- Verified

The electrical connector at the automatic transmission may leak fluid into the wiring harness. If not repaired, the oil will migrate through the wiring harness and damage the transmission control module. A new harness and control module may be necessary to correct this problem.

2004 Mercedes-Benz C320 4MATIC Questions and Answers

Visitor, 2004 Mercedes-Benz C320 4MATIC, Charlotte, NC

what is the best transmission fluid to use to flush ?name of the transmission filter to use .

jcwillis, 2004 Mercedes-Benz C320 4MATIC, Manassas, VA

my car won't start and i am told that my ME Control unit has to be replaced. my car only have 59,500 on it. is this a known issue with the mercedes c-class? is there anyway i can find out if...

lhm, 2004 Mercedes-Benz C320 4MATIC, Chantilly, VA

The car seems lifted in the front a lot more than usual. Does not drive as smooth.

NICKYPA, 2004 Mercedes-Benz C320 4MATIC, Champlain, NY


Demha, 2004 Mercedes-Benz C320 4MATIC, Secaucus, NJ

Had transmission replaced as recommended by two MB dealers; 1 in Manhattan and 1 in Fairfield, NJ. Replaced tranny and when gearing down (5,4,3)car vibrates and rpm rises after 30-40 minutes of dri...

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