| 1 | 0 | 3 | 4 | 3 | 4 |
Mercedes-Benz S-Class repairs by problem area
Engine (28%)
Transmission and Drivetrain (8%)
Brakes and Traction Control (8%)
Suspension and Steering (22%)
Electrical and Air Conditioning (24%)
Paint, Rust, Leaks, Rattles, and Trim (5%)
Other (5%)
Chart based on 317 repairs.
Mercedes-Benz S-Class engine repair cost distribution
$2500+ (9%)
$1000 - $2499 (9%)
$500 - $999 (9%)
$100 - $499 (33%)
< $100 (39%)
Chart based on 75 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.
2015 Mercedes-Benz S-Class 4dr Sedan, ext.
turbocharged 449hp 4.7L V8 7-speed shiftable automatic AWD
| 84000 mi US $700 |
Car would not start. MB dealer found fuel pump failed. Replaced fuel pump and returned to me. |
| 50000 mi | engine ignition coil for valve no. one |
2013 Mercedes-Benz S-Class 4dr Sedan, ext.
turbocharged 240hp 3.0L V6 Diesel 7-speed shiftable automatic AWD
| 44000 mi | Replaced Ad blue injection nozzle. |
| 55000 mi US $100 |
Leaking seal on an injector. |
| 47600 mi US $300 |
Def Heater failed. Replaced under Federal Emissions warranty Crank Position Sensor failed, covered under MaxCare extended Warranty minus deductible |
| 68000 mi US $5400 |
NOx sensor failure. Replaced parts include 2 NOx sensors, DPF and Boost pressure hose |
2012 Mercedes-Benz S-Class 4dr Sedan, ext.
turbocharged 240hp 3.0L V6 Diesel 7-speed shiftable automatic AWD
| 29140 mi | Nox sensor failure |
| 61000 mi US $4000 |
Repaired leaking Oil Cooler - under warranty. Intake manifold leaks. Multiple leaks that took over 30 days to resolve |
| 35000 mi | Turbocharger oil seal failed leading to car shut down |
| 122000 mi | catalyst installed, |
2011 Mercedes-Benz S-Class 4dr Sedan, ext.
382-horsepower 5.5L V8 7-speed shiftable automatic AWD
| 102000 mi US $480 |
Dealer recommended replacing the 3 engine mounts at a cost of $1800:00. Repairs completed in August 2021 at Mercedes of North Olmsted. |
| 111283 mi US $1274 |
Replaced the engine mounts |
2010 Mercedes-Benz S-Class 4dr Sedan, ext.
382-horsepower 5.5L V8 7-speed shiftable automatic AWD
| 40420 mi | Replace oil separator - warranty item replace front engine mounts - warranty |
2008 Mercedes-Benz S-Class 4dr Sedan, ext.
382-horsepower 5.5L V8 7-speed shiftable automatic RWD
| 41000 mi | Radiator fan failure. |
2008 Mercedes-Benz S-Class 4dr Sedan, ext.
382-horsepower 5.5L V8 7-speed shiftable automatic AWD
| 118700 mi £134 |
Near side front Acceleration Sensor |
| 149721 mi | Leaking radiator. Replaced Battery warning light staying on. Suspect ECU wiring replaced |
2007 Mercedes-Benz S-Class 4dr Sedan, ext.
turbocharged 510hp 5.5L V12 5-speed shiftable automatic RWD
| 41540 mi | Coolant hose leaked. Had to order part from Germany. Had to remove turbos to get to area. This would have been am $8000 repair. |
| 23000 mi | Car died on road and then after restarting the check engine light came on and car was misfiring badly, running very rough. Diagnosed to misfiring on 7 of 12 cylinders. |
| 25000 mi | Check engine light came on, emissions issue and then they hooked it to computer and said the issue was no longer happening. No "true" repair that I am aware of. So nothing fixed so assume it will occur again. |
| 25000 mi US $250 |
Check engine light, bad O2 sensor. two spark plugs and new coil pack |
2007 Mercedes-Benz S-Class 4dr Sedan, ext.
turbocharged 232hp 3.0L V6 Diesel 7-speed shiftable automatic RWD
| 69520 mi €170 |
Kick down not functioning. Cam shaft censor replaced |
2007 Mercedes-Benz S-Class 4dr Sedan, ext.
382-horsepower 5.5L V8 7-speed shiftable automatic RWD
| 139000 mi | Engine cam plug at rear of cylinder head leaking. Replaced cam plug under warranty. |
| 139700 mi US $738 |
Engine oil found in coolant tank. Engine oil cooler/heat exchanger replaced. |
| 141000 mi US $1200 |
Engine mount collapsed. Engine and tranny mount replaced. Drive belt replaced. Transmission mount replaced. Engine drive belt cracked. Drive belt replaced. |
| 141000 mi | Oil cam plug still leaking and noticed by independent mechanic when stabilizer bar was replaced. Cam plug repair was done by dealer earlier last year and still under warranty. |
| 144300 mi US $980 |
Radiator leaking causing low coolant level warning. Replaced radiator and hoses. |
| 191591 mi US $477 |
Leaking cam plug replaced. After multiple attempts by the Mercedes dealer to fix this leak, independent shop fixed it once and for all. Replace leaking upper radiator hose and thermostat |
| 210688 mi US $1062 |
Replace failed fuel pump. Vehicle began to hesitate and eventually lost power on freeway. I was able to coast to the shoulder and wait for a tow truck. Replaced leaking heater shut off valve. Smell of coolant emanating from front of firewall. |
| 64060 mi C $295 |
Starting poorly, Pump Relay replaced, No other problem found at this time but fuel pump is suspected as causing relay to burn out. |
| 64480 mi | The repair shop said it probably needed an Engine Control Unit. About $4000.00. They said it would probably solve the poor warm-start problem but not for sure. I decided to get rid of the car. |
| 69000 mi US $700 |
charcoal canister replaced |
| 39000 mi US $400 |
Pressure Valve for Emissons to allow gas to be put in car. Could not fill gas tank. Repaired |
| 38000 mi | Small oil leak - new plug ordered,but not installed |
| 50000 mi | Transmission would randomly disengage while driving or torque lock would occur leaving car vehicle locked in a single gear. |
| 55000 mi | Timing chain sprocket is worn and required replacement (known defect MBUSA reported to dealers), check engine light indicated problem. Secondary problem created and repaired by dealer, O-ring damaged causing oil leak after engine repair. |
| 61000 mi US $900 |
Radiator cap leaking, replaced and pressure tested, repair complete. Transmission mount collapsed, part replaced. |
| 69000 mi US $150 |
Engine Oil leak, seal replaced. |
2007 Mercedes-Benz S-Class 4dr Sedan, ext.
382-horsepower 5.5L V8 7-speed shiftable automatic AWD
| 41000 mi US $125 |
Replaced leaking rear cam plug |
| 64200 mi US $350 |
New motor mounts |
| 104000 mi | ECU needed to be replaced |
| 93000 mi US $240 |
Bad ignition coil pack; replaced with new part |
| 107000 mi US $450 |
2 bad coil packs replaced |
| 122000 mi US $3000 |
Exhaust manifold actuator failure. Replaced manifold with used part |
| 60000 mi | Transmission control unit previously repaired not working correctly Oil level sensor sending incorrect oil level |
| 44200 mi | Heavy fuel smell after filling tank related to previous repair. Fuel tank was replaced |
| 140000 mi US $1800 |
Replace radiator; Replace exhaust hangers. |
2007 Mercedes-Benz S-Class 4dr Sedan
turbocharged 232hp 3.0L V6 Diesel 7-speed shiftable automatic RWD
| 50300 mi £150 |
Defective glow plugs: all reported "tired", all changed |
| 56200 mi £2834 |
check engine light/limp home mode; inlet air manifold flaps seized (one side), motor burnt out (one side) and other side showing signs of failure; both replaced |
2007 Mercedes-Benz S-Class 4-door
turbocharged 6-cylinder diesel automatic 2WD
| 42502 mi | Glow plug replacement |
| 72200 mi | Excessive exhaust smoke DPF replaced |
| 53200 mi £361 |
6 glow plugs A0011597101, the glow plug control unit A6429005801 and Turbo Gaskets A6420940080/A6420940580 |
| 67000 mi £612 |
port shut off motor reporting error replaced all parts |
| 78000 mi £114 |
6 glow plugs A0011597101 |
2006 Mercedes-Benz S-Class 4dr Sedan, ext.
302-horsepower 5.0L V8 5-speed shiftable automatic AWD
| 63053 mi US $75 |
Electrical Plug to Transmission leaking. Replaced |
| 66300 mi US $100 |
Crankshaft Position Sensor failed. Replaced |
| 163000 mi US $80 |
Serpentine belt failed. this was due to bad idler pulley, replaced both. |
2004 Mercedes-Benz S-Class 4dr Sedan, ext.
302-horsepower 5.0L V8 5-speed shiftable automatic AWD
| 43500 mi US $450 |
Oil leaks from valve covers. Valve cover gaskets replaced. |
2003 Mercedes-Benz S-Class 4dr Sedan, ext.
turbocharged 493hp 5.5L V12 5-speed shiftable automatic RWD
| 97000 mi US $235 |
replaced failed front heater circulation pump / duo-valve assembly |
| 86800 mi C $2500 |
Fan broke and radiator leak. |
| 83000 mi US $1200 |
Replaced leaking water pump |
2003 Mercedes-Benz S-Class 4dr Sedan, ext.
275-horsepower 4.3L V8 5-speed shiftable automatic RWD
| 169000 mi US $800 |
Vaccum Pump replaced. Check for rough idle, looking at spark plugs, wires, coils, etc. Did not find anything wrong. |
| 169000 mi US $180 |
rough idle, was told it could be the engine mounts are the harmonic balancer. Changed harmonic balancer because it was spinning with a slight wobble. Slight improvement, but not satisfied. Was told the engine mounts would be the next place. |
| 169000 mi US $170 |
Attacking bough idle. Changed Harmonic Balancer. Did not improve to my satisfaction. Beloved it to be in the spark plugs, coils wire area. Did not peruse any further |
| 133200 mi | Complete engine failure from hole in oil pan (previous owner). Engine transplanted from a 2000 S-Class I used to own. |
2003 Mercedes-Benz S-Class 4dr Sedan, ext.
275-horsepower 4.3L V8 5-speed shiftable automatic AWD
| 75640 mi C $1400 |
diagnose faulty keyless unlocking feature. cause us faulty electronic igntion switch. Can$1050 for part, app. $300 labour for diagnostic/repair services |
2002 Mercedes-Benz S-Class 4dr Sedan, ext.
275-horsepower 4.3L V8 5-speed shiftable automatic RWD
| 85000 mi US $2500 |
New cat convertor |
2001 Mercedes-Benz S-Class
Engine not specified
| 117000 mi US $100 |
replaced mass air flow sensor |
| 110000 mi US $2500 |
Cracked radiator. |
2001 Mercedes-Benz S-Class 4dr Sedan, ext.
302-horsepower 5.0L V8 5-speed shiftable automatic RWD
| 90520 mi $40 |
when driving at speed above 100km/h, there were big vibrations through the whole body. The transmission mount was replaced with the new recalled part and there is no problem anymore |
2000 Mercedes-Benz S-Class
Engine not specified
| 96000 mi US $280 |
2000 Mercedes-Benz S-Class 4dr Sedan, ext.
302-horsepower 5.0L V8 5-speed shiftable automatic RWD
| 116000 mi US $1000 |
My alternator pulley broke causing belt to slip loose, had car towed to repair shop and I had the alternator replace with a new one and also a new serpentine belt put on. |
2000 Mercedes-Benz S-Class 4dr Sedan, ext.
275-horsepower 4.3L V8 5-speed shiftable automatic RWD
| 144000 mi US $140 |
Ignition Coil pack replacement |
| 144000 mi | Engine mounts bad. Caused rough idle. |
| 76000 mi US $308 |
Intermittent CEL diagnosed as rt pre-cat O-2 sensor failing. Replaced right & left pre-cat sensors with OEM Bosch sensors from Amazon.com at our local garage-$170 labor, $138 parts, other shop's bid was $500. |
| 87000 mi US $48 |
Small oil stains on upper bell housing & engine. Found hardened/cracked breather hoses, replaced all 4 breather hoses with MBZ breather hose kit. Repair took 30 minutes, but 1 hr is minimum entry allowed. |
| 97000 mi US $1318 |
After years of slight seepage but no drips around rear main seal, noted a few drips. Also noted differential had begun leaking around input shaft and right rear axle shaft. Performed rear crank shaft re-seal and differential re-seal. 13.6 hrs labor $1198.01, $119.69 parts cost. |
2000 Mercedes-Benz S-Class 4-door
8-cylinder automatic 2WD
| 89900 mi C $1000 |
No heat, fixed and have heat but actuator motors not working. |
1996 Mercedes-Benz S-Class 2-door
8-cylinder automatic 2WD
| 77500 mi US $125 |
Oil change and radiator flush |
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