Mercedes-Benz ML550 Repair and Maintenance Costs

A guide to repairs, service, and maintenance costs for your Mercedes-Benz ML550

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The national average repair and maintenance cost for a Mercedes-Benz ML550 is between $1322 and $1616 per year. Repair and maintenance costs vary depending on age, mileage, location and service provider.

Mercedes-Benz Repair Estimates
2008 Mercedes-Benz ML550 Service Detail: Front, One Side
ABS Wheel Speed Sensor Replacement
$203 - $240
2008 Mercedes-Benz ML550 Location: Upper
Radiator Hose Replacement
$180 - $234
2008 Mercedes-Benz ML550 Location: Both Sides
Valve Cover Gasket Replacement
$1017 - $1309
2008 Mercedes-Benz ML550
Brake Pad Replacement
$0 - $0
2008 Mercedes-Benz ML550 Location: One Side
Exhaust Manifold Gasket Replacement
$299 - $376
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Mercedes-Benz ML550 Problems

Supplemental restraint system (SRS)/ai bag light may illuminate

The supplemental restraint system (SRS)/airbag light may illuminate due to damaged wires in the steering column. Any damaged wires should to be repaired and protected as necessary from further damage.

Transmission May not Shift into Drive Due to Failed Selector Module

The transmission drive selector module may fail resulting in the loss of gear selection capability. This condition can leave the vehicle stranded, and will require replacement of the drive selector module.

Oil Seepage on Back of the Cylinder Heads

The Mercedes Benz ML550 may have engine oil seeping or leaking from the back of the cylinder heads. This is commonly misdiagnosed as leaking valve covers.

On the back of the cylinder heads there are three, in total, plastic expansion plugs that plug access ports to the camshafts. These plugs are well known for seeping oil, and leaking if left unattended. The oil will run down the back of the engine and eventually make it to the ground. 

Replacement of these three plastic plugs is extremely simple, and should be done as regular maintenance. The recommended interval for replacement is every 60,000 miles.

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Mercedes-Benz ML550 Questions

When car is warm up steering at low speeds near impossible, What might this be? (1 answer)

When the car is cold steering is very normal. What type of cost and repair will this require. Has anyone else been through this?

Hard to turn the steering wheel on 2008 ML 550. (1 answer)

I just bought a used 2008 ML 550 with 109,000 mi.
When I drive real slow, ( entering my garage) and try to turn the steering wheel, it takes so much effort that it is almost impossible to turn.
What is the problem?
Thanks much,

Often when turning the key to start, it continues to churn for several seconds. (1 answer)

Have taken it in twice to dealership and it still occasionally does this. Any ideas?

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Mercedes-Benz ML550 Recalls

Driver's Frontal Air Bag Inflator Ruptures And Sprays Metal Fragments

The driver's frontal air bag inflator may deploy the air bag with excessive pressure, resulting in the inflator rupturing and causing metal debris to be sprayed onto vehicle occupants. Dealers will replace the driver's frontal air bag module free of charge to resolve the concern.

All Season Floor Pats Restrict Accelerator Pedal

Accessory all season floor mats purchased and installed may restrict accelerator pedal operation, resulting in a sticking pedal. Dealers will replace the floor mats free of charge to resolve the concern.

Possible Electrical Fire from Water Damaged Lift Gate Control Module

Due to a faulty seal around the tail light assembly, water may enter the rear compartment containing the spare tire. The water could damage the lift gate control module, causing it to fail. The failed module could overheat, increasing the risk of a fire. Dealers will update the tail light seals and relocate the lift gate control module. This recall is expected to begin during April of 2009. The Mercedes recall number is 2009030003.

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