| 1 | 0 | 3 | 4 | 3 | 4 |
Mercedes-Benz R-Class repairs by problem area
Engine (24%)
Transmission and Drivetrain (12%)
Brakes and Traction Control (3%)
Suspension and Steering (28%)
Electrical and Air Conditioning (23%)
Paint, Rust, Leaks, Rattles, and Trim (4%)
Other (4%)
Chart based on 362 repairs.
Mercedes-Benz R-Class engine repair cost distribution
$2500+ (15%)
$1000 - $2499 (10%)
$500 - $999 (14%)
$100 - $499 (28%)
< $100 (34%)
Chart based on 80 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.
2012 Mercedes-Benz R-Class 4dr SUV
turbocharged 210hp 3.0L V6 Diesel 7-speed shiftable automatic AWD
| 56000 mi US $4000 |
Exhaust manifold and O2 sensors |
2010 Mercedes-Benz R-Class 4dr SUV
turbocharged 210hp 3.0L V6 Diesel 7-speed shiftable automatic AWD
| 52400 mi | Turbo seal replaced under OEM warrantee |
2009 Mercedes-Benz R-Class 4dr SUV
turbocharged 210hp 3.0L V6 Diesel 7-speed shiftable automatic AWD
| 60140 mi | Recurring known Head Gasket quality issue of diesel engine of Mercedes R-Class 2009 (OM651 engine) New Head Gasket part to solve this issue. The dealer gave me 12 months of warranty over this issue. Cost was 0.00 (under warranty) |
2009 Mercedes-Benz R-Class 4dr SUV
268-horsepower 3.5L V6 7-speed shiftable automatic AWD
| 61000 mi US $140 |
replace water pump pulley |
2008 Mercedes-Benz R-Class 4dr SUV
turbocharged 221hp 3.0L V6 Diesel 7-speed shiftable automatic AWD
| 127000 mi US $5000 |
While changing out the glow plugs and relay, a cracked seal around turbo charger was discovered. They also discovered an oil leak. A TSB reported a defective oil seal between crank case and oil cooler was installed by Mercedes. 3 days later $5000 later! |
2008 Mercedes-Benz R-Class 4dr SUV
turbocharged 215hp 3.0L V6 Diesel 7-speed shiftable automatic AWD
| 8200 mi | Replaced Fuel Filter - Covered by OEM Warantee |
| 37000 mi | Oil Cooler Leaking - Replaced unit. |
| 65000 mi US $300 |
Replace Rubber fuel line from tank to engine - leaking |
| 77000 mi | Oil Cooler Leak - Replaced O Rings. |
| 83000 mi | Oil Leak: upper firewall partition and pipe from air filters to turbo. Found seal leaking. Replaced. |
| 69800 mi US $932 |
Replaced oil level sensor. |
| 97000 mi US $615 |
Glow Plug number 2 failed. Replaced all 6 glow plugs. |
| 135000 mi US $300 |
Occasional sputtering under acceleration |
2008 Mercedes-Benz R-Class 4dr SUV
268-horsepower 3.5L V6 7-speed shiftable automatic RWD
| 146000 mi US $57 |
Replaced both intake camshaft solenoids. Both were old revisions and the drivers side was throwing a DTC. Replaced with the latest and greatest rev. |
| 210400 mi US $250 |
Replaced a stretched timing chain and timing chain tensioner |
| 221300 mi US $200 |
Ticking sound from tensioner. Replaced tensioner, idlers and belt |
2008 Mercedes-Benz R-Class 4dr SUV
268-horsepower 3.5L V6 7-speed shiftable automatic AWD
| 135000 mi US $600 |
vacuum hoses |
| 136700 mi US $700 |
Replaced coolant thermostat. |
| 144000 mi US $7000 |
Balance shaft |
| 108000 mi US $454 |
Belt squealing- replaced upper + lower pulleys and belt |
| 110000 mi US $763 |
Coolant thermostat stuck- replaced. Right camshaft magnet failing- replaced. Brake fluid flushed. |
| 112000 mi US $792 |
Failing belt tightener. Replaced belt tightener, both guide pulleys and belt Replace leaking oil separator and cam plugs |
2008 Mercedes-Benz R-Class 4-door
4-cylinder automatic 2WD
| 101680 mi C $741 |
The throttle body assembly had to be cleaned and reset The serpentine belt and the entire pulley assembly had to be replaced as it was worn out and making excessive noise and affecting motor operation |
2007 Mercedes-Benz R-Class
Engine not specified
| 100000 mi US $500 |
glow plug control module |
| 100000 mi US $1200 |
MAF sensor needed replacing |
2007 Mercedes-Benz R-Class 4dr SUV
turbocharged 215hp 3.0L V6 Diesel 7-speed shiftable automatic AWD
| 123000 mi US $250 |
Exhaust pressure sensor malfunction, MIL set, car in "limp home" mode. |
| 86000 mi | Turbo stopped working |
| 106020 mi A $6500 |
Turbocharger problem put engine into limp mode. Turbo needed replacing |
| 28400 mi US $176 |
Engine Stopped-Vol Control Valve Replaced- New Fuel filter - also Tailgate latch replaced (unrelated) to eng.stop. Re-imbr. for hotel and meals -2 nights |
| 8798 mi | Oil Separator Replaced due to oil leak |
| 47000 mi | Small oil leak from the oil pan. Seal changed (required removal of the transmission...) |
2007 Mercedes-Benz R-Class 4dr SUV
302-horsepower 5.0L V8 7-speed shiftable automatic AWD
| 78000 mi | Transmission not shifting properly on startup. No problem found by dealer. Updated software installed by dealer. |
| 78000 mi US $395 |
Check engine light on. Fuel check valve replaced. |
| 100300 mi | Check engine light-> evaporative emission system. Dealer unable to isolate cause of codes. Cleared system codes. Check engine didn't return. |
2007 Mercedes-Benz R-Class 4dr SUV
268-horsepower 3.5L V6 7-speed shiftable automatic AWD
| 86800 mi C $650 |
No heat, diagnose and replace thermostat |
| 56000 mi US $200 |
Radiator leaking from between reservoir and radiator. Replacement of radiator was completed. |
| 25000 mi | Warranty repair: oil warning on but no oil problem. Attributed to driving long distance at high speed. Engine throttle control software updated. |
| 57040 mi C $470 |
CEL lighted on. Exhaust camshaft solenoids replaced |
| 62400 mi | CEL light. Intake manifold was leaking air, replaced under ELw |
| 81000 mi US $3577 |
cooling system circuit fault |
| 109000 mi US $10000 |
Thermostat replaced Intake manifold replaced because of crack |
| 116000 mi US $60 |
Misfire in cylinder 3, replaced ignition coil myself. |
| 151000 mi US $2500 |
Crack in intake manifold. |
| 165000 mi US $200 |
Replace chain tensioner |
| 69300 mi US $125 |
Replace 3 of 4 camshaft positioning solenoids. |
| 48000 mi US $450 |
Engine light on. Car drove normal. Dealer said it was cam adjuster magnet front left worn. Replace parts. |
| 38000 mi | Check engine and blue smoke - some sort of fuel delivery solenoid |
| 51900 mi US $1500 |
Leaking oil pan gasket. |
| 59000 mi US $450 |
Slow oil leak at the bottom oil pan. Didnt fix the leak has been there for years. |
| 52800 mi | Leaking engine oil. Bad gasket found and replaced |
| 56000 mi | Car leaking oil. Gasket leak found and replaced. |
2006.5 Mercedes-Benz R-Class 4-door
turbocharged 6-cylinder diesel automatic AWD
| 70000 mi £500 |
Mass air flow system replaced |
2006 Mercedes-Benz R-Class 4dr SUV
302-horsepower 5.0L V8 7-speed shiftable automatic AWD
| 61000 mi US $600 |
both valve cover gaskets leaking and replaced. replaced all 16 spark plugs at that time. |
| 61000 mi US $430 |
Mass airflow sensor failed and needed to be replaced. Also changed oil and air filters. |
| 56000 mi US $50 |
valve cover gaskets leaking oil. Repaired under aftermarket warranty. |
| complete electrical failure. CPU replaced |
| 33480 mi C $1500 |
Engine tick on acceleration. Dealer checked normal engine characteristic. :( |
2006 Mercedes-Benz R-Class 4dr SUV
268-horsepower 3.5L V6 7-speed shiftable automatic AWD
| 35000 mi | Reported rough idle, engine mounts replaced. Problem fixed. |
| 36000 mi | Many issues resolved. New engine mounts for rough idle. |
| 67000 mi US $250 |
Faulty coil - Replaced. Also replaced all spark plugs at the same time. |
| 53700 mi US $6875 |
Replaced balance shaft in engine and transmission conductor plate. |
| 90000 mi US $943 |
Thermostat failed, had to be replaced. Also replaced cam plugs and oil separator cover due to leak. |
| 54000 mi | engine light on, found problem with emission system, part replaced. took less than 4 hrs. We did not have an appointment. The dealer just took us in and got it fixed. |
| 63000 mi US $135 |
Transmission intermittently disengages. Determined it was an electronic issue, but not serious enough to repair. |
| 51460 mi C $8000 |
New intake, cam follower bearing, head machining, valves, steering pump. |
| 103540 mi C $4000 |
Replaced idler pulleys. |
| 80000 mi US $2000 |
Had to replace intake manifold and cam sensors. Out of warranty. |
| 84500 mi US $3000 |
Had to replace balance shaft, timing chain, etc due to bad sprocket. no warranty coverage. MBUSA agreed to provide free parts and dealer half of labor (supposedly). Well known problem for this car. Total cost estimaed at 9800. I paid 3000. |
| 109700 mi US $1300 |
Hydraulic lifter adjuster solenoids replaced, Coolant sensor replaced after only one year. |
| 114700 mi US $2000 |
Intake manifold required complete replacement due to broken control arm and flaps. |
| 102000 mi US $2600 |
Cam sensor failed |
| 182000 mi US $625 |
Misfire on right bank. Still present, no repair completed. |
| 100800 mi US $150 |
Replaced intake manifold. Would have been $1,500 w/o extended warranty. Picked up car after intake manifold repair, had to bring the car back to dealer w/i 10 minutes due to lack of power and a backfire. 4-5 days later I was told that the balance shaft needed to be replaced. Known problem. Would have been $7k w/o warranty. |
| 78120 mi C $460 |
Cam Sensor failed |
| 76880 mi | the newly installed cam sensor failed |
| 79000 mi US $1800 |
Balance shaft, timing chain replaced, |
| 107880 mi C $300 |
replace Crank position sensor |
| 79000 mi | Cam position sensor failure. Took several attempts to diagnose and trace down failure over several days. Finally fixed and have had no problems. |
2006 Mercedes-Benz R-Class 4-door
turbocharged 6-cylinder diesel automatic AWD
| 99400 mi | 4/6 heating spark plug NOK. (diesel) Replacement done but dealer has to replace the conrol system supposed damaged by the non immediate replacement of the plugs |
| 163680 mi €1500 |
Lost of power and accélération. À lot for alarms. Replacement of motorisée air inlet valve.. |
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See TrueDelta's information for all Mercedes-Benz models.
