On the off chance we don’t have one of the Mercedes-Benz replacement parts that you need, we’ll gladly order it for you. To request a specific item, simply complete our Mercedes-Benz parts ordering form online, or contact our Mercedes-Benz parts department to speak with a friendly, knowledgeable parts advisor. From DIY home projects to tasks performed at our service center, we can match you with the Mercedes-Benz parts and accessories you need.
For the safety of our Guests as well as our Team Members who are serving you, we ask that you kindly wear a face mask while at Mercedes-Benz of Ontario.
A representative is available to assist you by phone at (909) 212-8500, chat or text.
Owning a Mercedes-Benz means never having to settle for anything less than the best so you can rest assured knowing that the quality and craftsmanship we put into making your vehicle is the same as what we put into our parts.
Looking for the best deal on Mercedes-Benz genuine parts? Shop our current offers on parts for your Mercedes-Benz and allow our team of qualified technicians help you find exactly what you’re looking for
Learn more about the benefits of ordering wholesale parts with Mercedes-Benz of Ontario. Such as Complimentary Delivery, 2 Hour Turnaround Time, and much more!
The distinctiveness of a Mercedes-Benz vehicle begins with the quality of its Mercedes-Benz parts and accessories. Every component is artfully designed and promises superior performance, reliability, and longevity. Aftermarket parts won’t do your Mercedes-Benz justice; they simply aren’t strong enough to accommodate its advanced engine, transmission, brake system, etc. for long periods. They also don’t offer the same level of fit of the genuine parts you can find at our Mercedes-Benz parts center, which have been fabricated to precisely fit your vehicle instead of appeal to mass-market options. That’s why we recommend nothing but OEM parts to our customers for all their services, repairs, and enhancements!
Perhaps best of all, each part in our inventory is backed by a Parts Limited Warranty, doubling the peace of mind you can only get from buying Mercedes-Benz original parts. The Mercedes-Benz Parts Limited Warranty includes the protections of:
Don’t forget to check out our parts specials as well as our Mercedes-AMG® accessories before submitting an order!
Need to change your Mercedes-Benz key battery or replace the key altogether? Only you or someone you authorize will be able to order a replacement key for your Mercedes-Benz. To provide you or your representative with a replacement key, we require proof of identity and vehicle ownership with original documents. Here’s what we need.
The current state registration for the vehicle.
A current driver’s license, identity card, or passport
The current state registration for the vehicle.
A current driver’s license, identity card, or passport.
Signed and dated authorization from the vehicle’s owner.
Activating Your Key
After we receive the appropriate documentation, we’ll need to synchronize the new key with your car. We can’t program your new key remotely, whether you live nearby in Ontario, or further away in Rancho Cucamonga. Programming a key fob requires that the vehicle be in the same vicinity as the key fob. Contact our Mercedes-Benz Parts Center with questions about Mercedes-Benz key fob replacement cost and more!
Excellent ! the sales agent Jyhan is very helpful and friendly and very patient to us . I would like to recommend this dealership to my friends who would like to buy Mercedes Benz car
We are loyal customers and always feel we are taken care of! Never feel pressured to buy. They have amazing customer service and their follow up is greatly appreciated! Thank you Yogi, Eli, Cameron and Johan!! I love our GLB!!
This Ontario Dealership is exceptional. Everyone is courteous and friendly. Greatly appreicate this service. Thank you. I will continue to use this Dealership for my Mercedes-Benz needs.
Great service knowledgeable staff and very friendly thank you for everything you guys do. Thanks for I bought a car from you guys love the service.
Amazing service!!! Made sure I left with the best deal great sales team
Great experience our salesman Ali Hassim was exceptional , very respectful , had all the right answer about our new car and knew the product he was selling .
Matzi was a pleasure to work with he keep me informed of the repairs and was there to greet me when i picked up the car. Excellent customer service.
There are no words to describe Aileen Lopez. She is the best and should be on the Executive Team for customer service. She has been the sole reason for my dedication to Mercedes Benz of Ontario. I have purchased many cars over the years and she has no rival when it comes to providing first class service.
I was very pleased and satisfied with the service I received for my vehicle. Everyone was very polite and professional. The employees observed covid safety precautions.
Service was top notch. My service adviser helped me with everything I needed. The Mercedes Benz service experience is like nothing else in the industry. Everyone takes great pride in helping the customer.
Mercedes Benz should be really proud of their team, they’re great at their job & have excellent customer service. 100% recommended. I will be back soon.
The service person very details and updated status everyday
When I pick up the car he will go through everything.
Good good good good good
Great place to do business, workers are very courteous always wanted to help in every way possible. Service to my vehicle always a job well done never have or had any issues.
Everyone at Fletcher was courteous and eager to help when I had questions! My service rep was an excellent young professional representative offering his assistance.
Excellent customer service, I was provided with an loaner vehicle within 30min!
Just a good experience! Thank you guys so much!!
Excellent customer service they have endless inventory. Process was easy, highly recommended!
Fast service, the attention to detail is really impressive. Professional personnel, they solve all my questions. Great experience. Thanks . I would come back and refer to friends
excellent service clear communication on what need to be done. Service advisor go extra miles to deliver my car after all done big thank you for that.
Since the pandemic, I have not been to your dealership My car needed
to be service, so I requested they come to the house and get the car.
I was very happy about that. I don't go out because of the pandemic.
I needed a new battery so Mercedes roadside service came to the
house and replace the battery. I hope I don't need any other services
before the pandemic is over. I don't remember the service rep name as
we did everything by phone and e-mail. I don't have a steady rep. I've
had ...
Great buying experience and a shout out to Edward Shea and his Manager who were very professional and knowledgeable during the entire process.
Second time purchasing a vehicle here. Excellent service which is why I continue to go back.
Excellent service, everything done on time and as prescribed. Facility was extremely clean. All staff was very helpful. Service consultants kept me informed every step of the way.
Great service, ease of use getting in and out Phil and Natalie were great advisors to work with. Thank you for taking care of my car!
Great customer service from Louise Hakime. He worked hard to get me what I wanted!
Felt a little rushed at the end of the transaction. They literally almost forget the bow/picture
Mercedes-Benz of Ontario has great customer service. Everyone is very friendly. They do excellent work when you get your car serviced. Tony explained everything in detail. I had a positive experience.
I came to Ontario because I was looking for great customer service my previous experience at auto nation Buena Park was horrible made me want to never purchase a Mercedes but Ontario Mercedes changed my mind Carlos and the rest were awesome
Exceptional Dealership. Staff are professional, very systematic, easy, convenient and fast. My Service Advisor has always been exceptional. Thank you Mike Doehla for your prifessionalism and expertise in your line of work.
Fletcher Jones of Ontario has always surpassed their quality in customer service. We would highly recommend them for any first time luxury car consumers.
I appreciate the COVID safety measures implemented by the dealership for the health and safety of customers and staff. My car was serviced and cleaned as promised.
Always enjoy dealing with Mercedes, love being treated like my business matters to them
It’s a pleasure working with MB Ontario for my vehicle maintenance. They confirm your appointment and promptly take care of clients as they arrive. The check-in process is seamless as well, and they take the safety of both clients and staff seriously. Everything is done in the safety of your own vehicle. my service advisor was great to work with, straightforward and informative. The level of service we get here has earned them a loyal customer.
Trevor Harlow is the best. He provides a great customer experience.
I had a new service representative. Phil. I was very knowledgeable and informative to me. He updated me while my car was being serviced and gave me options.
I really liked the Attention that the people who helped me get my car gave me, very attentive to my questions made me feel at home, Thank you
I have been a mercedes client for over 11 years, started at Mercedes Benz - Las Vegas, then Mercedes- Benz COral Gables Florida. I Had the pleasure of meeting Eddie Haddad, a professional and genuine gentleman. He was able to give me multiple options and worked with me to finalize a deal. Now i am loyal to Eddie and the Ontario Mercedes for many years to come !
I believe the Salesman is Ashuk "apologies of the spelling error" and Eman who delivered the car, both are first class!
Will refer dozen of my contacts.
The sales consultant, Fadi, that I worked with was very knowledgeable and professional. I had a really good overall experience, and I really like my new Mercedes GLE 350.
Im satisfied with the one year service and complimentary car wash.
Loaner car was ready and clean. Car wasnt done until the next day, but not an issue since I had the loaner. Car was finished and washed as promised. I did ask for an appraisal which I am waiting on from the sales department.
Mr. Mike Doehla took care of my yearly maintenance service and I always get excellent service everytime. Everyone in this branch is helpful, they work as a team and treat each customer with great care and dedication. Kudos Mercedes-Benz of Ontario!!! Keep up the great job while staying safe.
John the salesman was very knowledgeable and pleasant to deal with. Great guy and the reason we purchased the car from Ontario Mercedes.
Excellent service every time I use this dealership
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(909) 212-8400
Call Now3787 East Guasti Road • Ontario, CA 91761
Get DirectionsOpen Today! Sales: 9am-9pm
