2003 Mercedes-Benz C240 4MATIC Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 2003 Mercedes-Benz C240 4MATIC
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2003 Mercedes-Benz C240 4MATIC ProblemsDead Battery Due to Failed Seat Control Module
A dead battery can be caused by a faulty seat control module that does not properly shut down. Spilling liquids on the front seats can cause these modules to fail.
The SRS (airbag) light can come on if liquids are spilled into the seat belt buckles, or if the liquid pools underneath the seat and gets into the electrical connector for the seat belt pretensioner. Damaged components will require replacement to restore proper airbag operation.
The heating, ventilation and AC (HVAC) heater box is susceptible to mildew buildup. This can result in a musty odor from the HVAC system, most noticeable when the system is first turned on.
2003 Mercedes-Benz C240 4MATIC Questionshow expensive is it to repair the evap line? (1 answer)
The oil light comes on quite frequently to add a quart of oil. Is that normal? Its maybe every 6 wks or so.
Monday I was driving and my car started to not want to accelerate. I pulled over and it stated that the battery was bad. So when I go home (in the mountains) I changed it out with the new battery in my 2003 BMW 525I to see if this would correct the problem. The check engine and battery lights bot...