Electrical System Related Problems of the 2003 Mercedes Benz SL500

Table 1 shows four common electrical system related problems of the 2003 Mercedes Benz SL500. The number one most common problem is related to the electrical system (seven problems). The second most common problem is related to the battery dead (one problem).

Table 1. Electrical System related problems of Mercedes Benz SL500


Recently reported Electrical System problems of the 2003 Mercedes Benz SL500

The Electrical System problem

I am concerned with the battery control module. I have noticed there has been a lot of incidents out there where the battery control module in the sl 500s have caught fire! I am concerned for my safety due to this defect!   Read details...

The Battery Dead problem

2003 Mercedes Benz sl 500. Consumer writes in regards to possible fatal flaw in vehicle. The consumer stated, as he was backing out of his driveway, he applied the brake and they failed. A red light and a sign instructed him to obtain immediate service.   Read details...

The Alternator/generator/regulator problem

I was driving an 03 Sl500 and from the start the battery light (white stayed on) replaced both front and back battery and voltage regulator, now the red battery light is on and stays on. On last night, while driving down the highway, I heard a pop, car dropped and warning came on saying car was too   Read details...


Electrical System related problems in other Mercedes Benz SL500 model year vehicles:



SL500 Service Bulletins
SL500 Safety Recalls
SL500 Defect Investigations