Warranties and Returns

Parts Warranties

For all warranty returns, malfunction of the part in question must be verified by MBZ, or documentation provided by a licensed professional and verified by MBZ.
For all warranty claims, please email us with your order details.
For returns of used parts for all other reasons, if the item is shipped back to us within 30 days, we can refund the item cost minus a 20% restocking fee. No shipping charges will be refunded. New parts are exempt from this return policy, and we will only offer a refund if the new part is defective or if the item was misrepresented and a replacement is not available. All custom orders, including new upholstery items and wood trim, are non-refundable--only replacement warranties will be honored as above.
All warranty terms begin on the date of delivery.

New Genuine Mercedes-Benz Parts: 2-year Warranty
Aftermarket for Mercedes Parts: 2-year Warranty

This manufacturer warranty covers the part only, not the labor. If the part malfunctions, you will need proof of defect from a licensed professional. You will be responsible for sending the part back to us, and we will confer with the manufacturer on your behalf.

Used Mercedes Parts: 60-day Warranty

Rebuilt Mercedes Parts: 180-day Warranty
Used and Rebuilt Mercedes-Benz parts covers all items from failure and from defects that were not described in the item description. Customer is responsible for returning the item to us. Upon receipt of tracking information we will ship an equivalent replacement item or, if a replacement is not available, refund the full cost of the item and shipping costs.

Used Mercedes Engines & Transmissions: 90-day Warranty

All engines & transmissions, unless noted otherwise in the item description, include a 90-day warranty. This covers all mechanical and electrical components of the engine or transmission but does not include accessory systems (air conditioning, cruise control, etc.). Customer must be able to verify proper installation and maintenance of the item up until date of the claim. Upon malfunction we will send an equivalent replacement component as soon as available; if a replacement component is not available within 30 days we will send a partial refund equivalent to replace that component. The cost of labor is not included in this warranty. Please also note that reduced performance is not included in this warranty, as you are purchasing used parts and they will perform as such.

Remanufactured Mercedes Engines: 18 months to 4 years
Rebuilt Mercedes engines are warrantied to be free from any defects in materials and workmanship under normal usage and with regular maintenance as described by Mercedes-Benz and as listed below, subject to the following terms and conditions.

Length of Term
For rebuilt Mercedes engines, term depends on the engine and commences on the date of delivery, as follows:
For high-performance turbo-diesel engines, there is a one-year 20k mile warranty.
For all engines from 1973 and earlier there is an 18-month unlimited mileage warranty.
For all Mercedes-Benz engines from 1974 to 1982 there is a 3-year 36k mile warranty.
For Mercedes engines from 1983 on there is a 4-year 50k mile warranty.
The following exceptions apply: water pump is only guaranteed for one year, and fuel injectors and fuel injection pumps are only guaranteed for 2 years or 24k miles.


We reserve the right to determine whether a repair or replacement is necessary, and reserve the right to do so without charge for the customer. All warranty claims must be preauthorized by us. Upon malfunction of any individual component, we will send an equivalent replacement component as soon as available; if a replacement component is not available within 60 days we will send a partial refund equivalent to replace that component.
For performance engines, we shall not be liable for the cost of labor for removal or installation of the motor unless performed at our facility, nor for any service not explicitly covered by this warranty policy.
For all other rebuilt engines, labor claims on pre-authorized repairs will be paid at 80% of book hours not to exceed $75/hr or a maximum of $1800.
We are not liable for any incidental, special, consequential, or exemplary damages, rental cars, or for any service not expressly provided for herein, relating to or arising from the rebuilt engine.

Engine Care
Taking care of a newly remanufactured Mercedes engine takes a lot of consideration. Please be advised that you will need to baby this motor for some time or you will void your warranty. We will provide break-in procedure guidelines on how to properly care for your rebuilt Mercedes-Benz engine. The customer is responsible for reviewing and following these guidelines as well as documentation of the break-in and maintenance.

Customer must be able to verify proper installation and maintenance of the item up until date of the claim, including proof that proper maintenance was performed during the break-in period.
Motor damage caused by any of the following shall void this warranty:
-failure of accessory components not included with the rebuilt motor;
-performance modifications to the fuel system or turbocharger;
-disassembly or separation of the longblock;
-failure to change fluids at appropriate intervals, maintain proper fluid levels, or any other action that does not comply with our recommended guidelines;

-overheating, lack of lubrication, engine management, faulty carburetion or fuel injection problems;
-internal corrosion/contamination from cooling system;

-any accident or misuse;
-engine used for competition, racing or related purposes;
-faulty accessory or service item, including all components of the cooling, fuel, electrical and engine controls system and all points, plugs, oil filter, belts & hoses;
-repair or remodel by any person other than an authorized repair facility, or to which any device or accessory not conforming to original manufacturer’s specifications has been installed;
-lack of periodic maintenance services required by the original manufacturer, including, after engine reaches operating temperature, re-torqueing of head bolts as required and readjusting valve clearance;
-oil and oil filter not changed within the first 600 miles and within every 3,000 miles thereafter;
-use of biofuels or of any fuel other than that which is recommended by Mercedes-Benz;
-installation into a non-OEM application.

Note that we will warranty installations of our rebuilt OM617 turbo-diesel high-performance engine in non-OEM applications only if we do the installation and initial 600 miles of break-in procedure at our shop in Merlin, OR.