mercedes-benz S-Class problems
0 safety recalls. 31 owner complaints. We mapped every trouble spot before you sign the papers.
Solid reliability overall. Common issues are concentrated in a few systems.
Top trouble spots 5 categories with 3+ complaints
What owners are saying recent NHTSA-filed complaints · verbatim
MY TRANSMISSION WOULD NOT SHIFT OUT OF SECOND GEAR. I TURNED IT OFF AND BACK ON AND IT DID NOT CLEAR. I GOT A "PRE-SAFE UNAVAILABLE" MESSAGE. I DID SOME RESEARCH AND LEARNED THIS IS A "TRANSMISSION CONTROL MODULE" FAILURE. IT IS VERY UNSAFE IN THAT THE CAR CANNOT KEEP UP WITH…
TL* THE CONTACT OWNS A 2006 MERCEDES-BENZ S430. WHILE DRIVING 40 MPH, THE VEHICLE STARTED TO JERK AND ALL THE WARNING INDICATORS ILLUMINATED AND FLICKERED ON THE INSTRUMENT PANEL. THE CONTACT DROVE THE VEHICLE HOME AND IT STALLED. THE VEHICLE FAILED TO RESTART AND THE KEY FAILED…
AS YOU SLOW DOWN TO BRAKE THE CAR ACCELERATES ON ITS OWN CAUSING IT TO HIT A BUILDING. *TR
THIS PROBLEM HAPPEN THREE TIMES IN ABOUT 6 MINUTES IN ONE NIGHT. WHILE DRIVING AT 70 MILES PER HOUR. THE ENGINE CUT OFF, ALMOST BEFORE I KNEW WHAT HAPPEN THE ENGINE STARTED BACK RUNNING. IN LESS THAN A MINUTE IT HAPPEN AGAIN. THE ENGINE CUT OUT THEN STARTED BEFORE I COULD DO…
Estimate your repair exposure
Drag to your current mileage. Numbers are derived from this vehicle's complaint history.
Common questions
Is the 2006 Mercedes-Benz S-Class reliable?
Mostly yes. With a reliability score of 8.4 out of 10 based on 31 owner complaints filed with NHTSA, the 2006 Mercedes-Benz S-Class is generally a sound vehicle. The areas to watch are listed in the top problem section above — most are budget items, not deal-breakers.
What's the most common problem on the 2006 Mercedes-Benz S-Class?
Based on NHTSA records, the most-reported issue is electrical, with 10 complaints filed. Average repair cost runs about $850 at an independent shop.
What's the most expensive thing that goes wrong?
The electrical is one of the costlier repair items. Average repair cost runs about $850 at an independent shop. Catching early warning signs can sometimes extend life by 20–30,000 miles.
How do I check if my Mercedes-Benz S-Class has open recalls?
Paste your VIN into the decoder at the top of this page. We pull live from NHTSA, so you'll see exactly which campaigns apply to your vehicle and whether the dealer has logged the fix. Recall repairs are always free regardless of mileage or warranty status.
Is an extended warranty worth it on a 2006 Mercedes-Benz S-Class?
Math is straightforward: a quality service contract runs $1,800–3,500 over 3 years. With 31 complaints on file and the costliest repair averaging $850, one major failure more than pays for it. The catch is reading the contract — many providers exclude wear items and require pre-authorization, so cheaper plans aren't always better value.