2006 Mercedes-Benz S-Class

No photo available — body style shown for reference.

The Verdict

Worst problem area

Electrical

Electrical leads by volume: 11 of 31 complaints (35%) mention it. Complaints mentioning Driver Assistance & Speed Control include more reported injuries (1) than those mentioning any other identified area.

Complaints filed rose from 26 in 2005 to 31 in 2006.

Data last changed Sep 16, 2026. Sources: NHTSA complaints and recalls, EPA fuel economy data. Methodology

Cost, Fuel Economy & Complaint History

Fuel cost, fuel economy, and complaint history by model-yearScroll sideways to see all 5 years. Fuel figures show the range across trims for years with more than one EPA-rated configuration.
Category	2004	2005	2006	2007	2008	vs. 2006 Large Cars
Annual fuel cost ($)	4,100–5,950	4,100–5,950	4,100–5,950	4,550–5,950	4,850–5,950
Combined MPG	13–19	13–19	13–19	13–17	13–16
City / Highway MPG	11–16 / 17–24	11–16 / 17–24	11–16 / 17–24	11–14 / 17–22	11–14 / 17–21
CO₂ tailpipe (g/mi)	468–684	468–684	468–684	523–684	555–684
Complaints filed	50	26	31	65	24	Not compared
Recalls issued	5	1	0	0	0	Not compared
Crash-involved complaints	2	2	3	0	1	Not compared
Fire-involved complaints	2	1	1	4	0	Not compared
Injuries reported	3	0	1	0	2	Not compared
Deaths reported	0	0	0	0	0	Not compared
Configurations compared	6	6	8	4	5

Common questions

How many recalls does the 2006 Mercedes-Benz S-Class have?

No NHTSA recall campaigns as of Sep 16, 2026.

What is the most common complaint about the 2006 Mercedes-Benz S-Class?

Electrical: 11 of 31 NHTSA complaints (35%) mention it.

What gas mileage does the 2006 Mercedes-Benz S-Class get?

EPA rates it 13–19 MPG combined across 8 configurations.

How much does it cost to fuel a 2006 Mercedes-Benz S-Class?

EPA estimates $4,100–$5,950 a year in fuel costs, using EPA's assumptions.

Similar Vehicles

EPA-Rated Configurations (8)

Every EPA-rated configuration on this page, one row each.A number tagged (low) or (high) is this page’s own cost-table figure of that name, above.
Configuration	Transmission	Cylinders	Displacement	Drivetrain	Fuel Type	Vehicle Class	City	Highway	Combined	Annual Fuel Cost	CO₂
Configuration 1	Automatic 5-spd	6	3.7L	Rear-Wheel Drive	Premium	Large Cars	16 mpg (high)	23 mpg	18 mpg	$4,300	494 g/mi
Configuration 2	Automatic 7-spd	8	4.3L	Rear-Wheel Drive	Premium	Large Cars	16 mpg (high)	24 mpg (high)	19 mpg (high)	$4,100 (low)	468 g/mi (low)
Configuration 3	Automatic 5-spd	8	4.3L	4-Wheel or All-Wheel Drive	Premium	Large Cars	15 mpg	21 mpg	17 mpg	$4,550	523 g/mi
Configuration 4	Automatic 7-spd	8	5.0L	Rear-Wheel Drive	Premium	Large Cars	14 mpg	22 mpg	17 mpg	$4,550	523 g/mi
Configuration 5	Automatic 5-spd	8	5.0L	4-Wheel or All-Wheel Drive	Premium	Large Cars	14 mpg	20 mpg	16 mpg	$4,850	555 g/mi
Configuration 6	Automatic (S5)	8	5.4L	Rear-Wheel Drive	Premium	Large Cars	13 mpg	20 mpg	16 mpg	$4,850	555 g/mi
Configuration 7	Automatic 5-spd	12	5.5L	Rear-Wheel Drive	Premium	Large Cars	11 mpg (low)	17 mpg (low)	13 mpg (low)	$5,950 (high)	684 g/mi (high)
Configuration 8	Automatic (S5)	12	6.0L	Rear-Wheel Drive	Premium	Large Cars	11 mpg (low)	18 mpg	14 mpg	$5,550	635 g/mi

Complaints by Category

Complaints by category, in the same fixed order on every page
Category	Complaints	Crash-Involved	Fire-Involved	Injuries
Engine	9	0	1	0
Transmission & Drivetrain	5	1	0	0
Fuel System	0	0	0	0
Electrical	11	0	1	0
Brakes	1	0	0	0
Steering	1	0	0	0
Suspension, Wheels & Tires	8	0	0	0
Airbags & Restraints	0	0	0	0
Driver Assistance & Speed Control	4	3	0	1
Body, Seats & Latches	1	0	0	0
Visibility & Lighting	3	0	1	0
Other	0	0	0	0

A complaint that names more than one category is counted in each, so the rows can add up to more than the total number of complaints.

Recalls

No recalls have been issued for this model-year.