The 722.9 automatic transmission by Mercedes-Benz is an electronically controlled gearbox with seven forward gears and two reverse gears. This article overviews the 722.9 automatic transmissions, common problems, troubleshooting tips, and frequently asked questions. Advantages of Mercedes 7G Automatic Transmission There are several advantages to having 7 gears. Here is …
Read More »Mercedes P0715 P0720 P0700: Limp Mode Causes, Repair Cost and the 722.6 Conductor Plate Fix
Is your Mercedes-Benz stuck in second gear (limp mode), and the check engine light came on? You are experiencing transmission problems. You press the gas pedal, and the engine RPMs rise to 4000 or even higher, but you are limited to a maximum speed of about 30 MPH. The check …
Read More »Mercedes-Benz BAS, ESP and ABS Lights On: Top 5 Causes and the Fixes
BAS/ESP/ABS warning lights stay on? The BAS, ESP and ABS lights coming on together is not a problem limited to the ML320 and ML430; it affects every Mercedes-Benz model with these systems. The top causes that trigger these lights are included in the section below. This guide could save you …
Read More »Mercedes-Benz Shifter Positions Explained: P, R, N, D, S, C, W and M
What P, R, N and D Mean P, also referred to as the Park position, is used when the vehicle is parked. Only move the shifter to P when the vehicle is completely stopped. If you try to move the shifter to P while the car is moving, you may …
Read More »DIY How to replace transmission mount Mercedes-Benz
Introduction If you have been experiencing vibration inside the cabin of your Mercedes-Benz, then your engine or transmission mounts may have failed. Typically, the vibrations are worse at idle and may be less noticeable when driving. Inspect the engine mounts and transmission mount and rule out other causes before replacing …
Read More »How to Check the Automatic Transmission Fluid Level on a Mercedes-Benz 722.6
This procedure applies to Mercedes-Benz models equipped with the 722.6 5 speed automatic transmission and a service dipstick tube. It does not apply to the 722.9 7 speed transmission, which uses a different fluid level procedure. If that is what you have, start with the 722.9 7G-Tronic problems and fluid …
Read More »DIY How to Repair a Windshield Rock Chip or Bullseye
Easy step by step photo and video instructions for repairing a windshield rock chip or bullseye. Repairing a small windshield chip is a straightforward DIY job, even if this is your first time. So go ahead, do it all yourself; it’s easy. It is better to repair a rock chip …
Read More »How to Replace the Mercedes-Benz 722.6 Transmission Connector Plug and O-Rings
A leaking 13-pin connector sleeve is one of the most common causes of slipping, harsh shifts and delayed engagement on the Mercedes-Benz 722.6 five speed automatic. A leaking sleeve lets ATF into the electrical connector and the wiring harness. If fluid contaminates the contacts or wicks up the harness toward …
Read More »Vibrations and Shaking Inside a Mercedes-Benz Cabin
Interior Vibrations in a Mercedes-Benz Are you feeling vibrations inside the cabin of your Mercedes? Often, MB owners feel seat vibrations that can’t be explained because the car runs great in most cases. Vibrations may be felt on the steering wheel or dash and are most noticeable when stopped at …
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