AutoDefect IQ

2006 Mercedes Benz S430 problems, complaints & recalls

Most-reported problem areas: Vehicle Speed Control (3) · Suspension (2) · Electrical System: Instrument Cluster/Panel (2)

🧭 Reliability snapshot

100 /100
✓ Typical or better for this model

Compared against other Mercedes Benz S430 model years — complaint volume vs the model's median year, recalls and severity. How we score →

12
Complaints
0
Recalls
60
Service bulletins
3
Crashes reported
1
Fires reported
0
Deaths

Safety recalls (0)

No recalls on record for this model year (campaigns announced since 2010).

Service bulletins (60)

Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.

Service Brakes 2026-09-22 · LI42.10-P-078779 · Service Bulletin/Repair Instructions

complaint repeat workshop visit for vehicle vibration while braking from 60mph. note: although the symptom is similar to a tire or wheel vibration, it is usually readily noticeable that it is distinctly different if it happens at all times or only while braking. cause although the cause of the vibra

Structure:body 2026-09-14 · LI82.62-P-078631 · Service Bulletin/Repair Instructions

complaint clanking noise from the area of the speakers in the doors. cause under analysis. remedy to narrow down the cause, first of all remove the door trim. • if the noise continues to occur even with the door trim removed, then continue the diagnosis working towards the speaker and if necessary,

Structure:body 2026-08-06 · LI82.62-P-078631 · Service Bulletin/Repair Instructions

complaint clanking noise from the area of the speakers in the doors. cause under analysis. remedy to narrow down the cause, first of all remove the door trim. • if the noise continues to occur even with the door trim removed, then continue the diagnosis working towards the speaker and if necessary,

Power Train 2026-07-14 · LI35.30-P-058566 · Service Bulletin/Repair Instructions

single throttle lift-off clunking noise from the side shaft when moving off (audible at the outboard end). the noise is heard once in each instance when changing direction of travel. note: sound file in attachment cause if the complaint is eliminated by experimentally loosening the outboard collar n

Visibility/Wiper 2026-05-19 · LI82.30-P-059239 · Service Bulletin/Repair Instructions

complaint there are several types of complaint about noises or poor windshield wiper wiping performance: a: wiper blades squeaking, chattering, shuddering b: the windshield is not wiped completely (streaking) c: during the downward movement water is pulled back onto the windshield from the a-pillar

Exterior Lighting 2026-04-16 · LI82.10-P-078301 · Service Bulletin/Repair Instructions

complaint headlamp, front fog lamp leaky or fogged. cause fogging of the headlamps is a natural phenomenon, which can occur under certain climatic conditions. it does not lead to any technical impairment of the headlamp. if a pressure compensation diaphragm is fitted in the housing cover, then the l

Showing the 6 most recent of 60 bulletins. Search all of them free at nhtsa.gov.

What owners report

2018-12-17 · Engine · 134,000 mi

“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 to release from the ignition switch. the vehicle was taken to an indep…”

2018-08-28 · Electrical System: Instrument Cluster/Panel

“2006 mercedes benz s 430. consumer states that instrument panel in vehicle went out. *ld the consumer stated the manufacturer refused to honor the recall due to the vehicle's age.*js…”

2017-07-20 · Suspension · 91,000 mi

“my door lock would not work, could not even manually open them from the console. took it in to be repaired, was told that the actuator had fried and melted the unit. it was replaced and within several weeks the "new actuator " also fried. was told that the computer system would shut it down but the unit continues to run even when the car was turne…”

2016-08-03 · Electrical System

“do not buy these spec-d headlamp for 2006 s-430 after 6 months it went defective i bought them from carid in november 2015 june/july 2016 they went completely dead see picture below…”

2016-07-28 · Electrical System: Instrument Cluster/Panel

“tl* the contact owns a 2006 mercedes-benz s430. while driving approximately 40 mph, the instrument panel failed without warning. the vehicle was taken to an independent mechanic where it was determined that the instrument panel cluster failed, but was not repaired. the vin was not included in nhtsa campaign number: 06v028000 (interior lighting). th…”

2014-02-04 · Visibility/Wiper · 131,388 mi · 🔥 fire

“engine compartment fire in 2006 s430 mercedes-benz ? january 16, 2014 as i accelerated to get on the road, i smelled a strange odor. i thought it was coming from a truck we passed. i opened the window & turned off the heater to clear the air in the car. in a few seconds, i closed the window and re-started the heater, which immediately filled th…”

2012-10-31 · Structure · 87,597 mi

“we have been receiving messages for things happening in car ( ex light out trunk won't open etc.) we have been told that it is a wiring harness problem. they are well aware of the problem in the cars but have not turned it in as a recall. *tr…”

2012-10-14 · Suspension

“the "airmatics-visit workshop" wording came on my screen yesterday on the highway. hitting the unlock button kicked on suspension as it should and it was sputtering instead of the usual raise noise. it sat overnight and now it sitting pretty low. this is the 2nd time in 6 months the air compressor has gone out. *tr…”

2010-03-11 · Vehicle Speed Control · 113,000 mi · 💥 crash

“tl*the contact owns a 2006 mercedes benz s430. the contact was driving approximately 60 mph. a sudden increase in acceleration occurred without warning. the vehicle slowed down after several attempts. the vehicle was taken to an authorized dealer for inspection. the technician stated that the defect could possibly be transmission gear failure. curr…”

2010-03-05 · Vehicle Speed Control · 90,000 mi · 💥 crash

“tl* the contact owns a 2006 mercedes benz s430. the contact stated that the vehicle suddenly accelerated on its own 1-2 times a week. it was an intermittent problem that resulted in another driver driving the vehicle running into a building; the driver was parking and while coasting, the vehicle suddenly lunged forward and accelerated. the driver w…”

Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.

Other Mercedes Benz S430 years