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Mercedes-Benz S420 Repair & Maintenance Costs

A guide to repairs, service, and maintenance costs for your Mercedes-Benz S420

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$868
Annual Repair Cost
on average
The annual maintenance cost of a Mercedes-Benz S420 is $868. Repair and maintenance costs vary depending on age, mileage, location and shop.

Most Common Mercedes-Benz S420 Problems

Mercedes-Benz S420 vehicles have 30 reported problems.The most commonly reported Mercedes-Benz S420 problem is: Closing Assist/Door Lock Issues Due to Pneumatic System Problems
Problems with the pneumatic system can cause closing assist and door lock issues.
A faulty mass air flow (maf) sensor can cause erratic/rough engine operation and fuel economy issues. since this sens...

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3
Group 4
Group 4
Average
The Mercedes-Benz Reliability Rating is 3.0 out of 5.0, which ranks it 28th out of 32 for all car brands. This rating is based on an average across 345 unique models. The average annual repair cost for a Mercedes-Benz is $1,158, which means it has average ownership costs. The other factors that contribute to Mercedes-Benz reliability include an average of 1.0 visits to a repair shop per year and a 12% probability of a repair being severe.

Mercedes-Benz S420 Reviews

Mercedes-Benz S420 vehicles rate highest in Body and needs improvement in Heating
Mercedes-Benz S420 (7 Reviews)
Body
Brakes
Drive Train
Electrical
Engine
Exhaust
Heating
Suspension

Most Common Mercedes-Benz S420 Questions

There are 176 related questions for Mercedes-Benz S420 vehicles. RepairPal's professional community answers hundreds of questions each day. Below are the most commonly asked Mercedes-Benz S420 questions.
Engine ticking sound, from the driver's side slightly towards the front. ticking is faster when depressing the accel...
I replace it and it blows

Mercedes-Benz S420 Recalls

Mercedes-Benz S420 vehicles have 1 known recalls. The most common recall is: Recall 96V058000.
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