Mercedes Benz S420 - Problems, Statistics, and Analysis

Mercedes Benz S420 owners have reported a total of 22 problems for their cars built in the 3 model years listed in the chart below. The chart shows the number of problems reported across all service years for each given model year of the Mercedes Benz S420. The 1999 Mercedes Benz S420 cars have the most problems reported (8 problems).

Table 1. Total number of problems by model year for Mercedes Benz S420

Model Year	Number of Problems
1999 S420	8
1998 S420	1
1996 S420	4

🔍 Common problems of Mercedes Benz S420

The following chart shows the 12 most common problems for Mercedes Benz S420 cars. The number one most common problem is related to the vehicle's electrical system (8 problems). The second most common problem is related to the vehicle's electronic stability control (2 problems).

Table 2. Common problems of Mercedes Benz S420

Problem Category	Number of Problems
Electrical System	8
Electronic Stability Control	2
Wheel	2
Air Bag	2
Other Fuel System	1
Structure	1
Equipment	1
Steering	1
Engine And Engine Cooling	1
Visibility	1
Seat Belt	1
Power Train	1

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☘ S420 Service Bulletins

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