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January 2024 by Nelson C.
I was reluctant to drive from Northern California to Los Angeles to have my 1995 Mercedes E300 transmission rebuilt. But I am glad I did. Reverse did not work at all and shifting was rough. After 250,000 miles I was thinking to simply junk the car instead of rebuilding the transmission. But given the replacement price for the car this didn't make sense. So I drove the car down to LA, arrived at 10 AM and Mark and his team were finished about 6 PM. They fixed a couple things that had nothing to do with the transmission. They repaired the vacuum lines which were cracked and leaking. They put new bushings in the shift mechanism so it feels like new. Now the car handles and runs like a new car. Acceleration is vastly improved now that the transmission is shifting correctly. The local shops near Sacramento were just going to fix reverse - not rebuild the transmission. They were not transmission experts. Its a good idea to have Sun Valley do the install since they are experts. I worked with them for an hour at the end and was very impressed - they know Mercedes inside and out. Lets hope Mark doesn't retire!
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September 2023 by Sylvester H.
This is my 3 month long overdue review: Outstanding customer service from Marc and his team!!! These guys brought my 1978 300D back to life for a reasonable price and within a reasonable time. Marc was very communicative despite having a busy schedule and answered any questions I had. I would 100% recommend this business to anyone looking to repair or restore their Mercedes
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July 2023 by BM-er
They fixed everything but the problem
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June 2023 by Justin T
Used many times. Great work and fair pricesService: Transmission
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June 2023 by Scott Douglas
I destroyed second gear on my 1996 Mercedes S600L. The local Mercedes dealership and transmission shops were either liars or clueless regarding how best to sort this out. I reached out to Marc. He and his team made the replacement process fast and simple. He was knowledgeable, pricing was great, he was helpful determining how best to resolve everything, patient answering all my dumb questions , and professional. During the swap I also realized the driveshaft had been damaged during the same incident. Marc had a unit shipped to me ASAP in northern Canada. They clearly take great pride in their service. Other shops could learn a few things from them. This is the experience you want customers to have. If you have an issue with your Mercedes transmission this is the only place to contact. Well done Sun Valley team!Service: Transmission
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May 2023 by peter morse
Transmission arrived, now installed and works great. Happy to have found these guys who specialize in Mercedes Benz transmissions.
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February 2023 by old timer
The best.
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February 2023 by Yolanda
I 100% recommend this shop to purchase a rebuilt,transmission! The owner Mark and his crew, provide me with the best customer care and service that I have ever experienced! They get 10 stars from me!Service: Transmission
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February 2023 by Robert
Great place for breakfast service was exceptional will go again
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February 2023 by Jeffrey Stern
I had a problem with the transmission I installed. It was just outside the warranty. They were proactive and replaced it after I spoke with Marc. II highly recommend them. They are professional and stand by their work.Service: Transmission
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February 2023 by erich rolko jr
Great quality work! Well established, nice people!
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July 2022 by Dennis B.
My local Mercedes-Benz dealer in Northern California suggested Sun Valley Mercedes Transmissions for rebuilding my 1999 E430 Transmission. I just want to say that I am extremely happy with the work they have done, and would highly recommend them. It was a pleasure dealing with Marc. Very helpful and professional.
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February 2022 by Lee Gillette
This is a fantastic shop with extremely great knowledge of all Mercedes transmissions! Run don’t walk here for great service!
