Mercedes-Benz Gearbox & Transmission Repair Specialists in Midlands

SPEAK TO A TECHNICIAN NOW 01922 666 376 8am - 5.30pm Mon-Fri

  • FREE Collection & Delivery
  • 0% Finance Available on Repairs
  • Warranty Claims Undertaken
  • 12 Month Guarantee Across All Vehicles
  • Vehicle Recovery Available

Warranty & Compliance Approved

Midlands Gearbox Specialists

Mercedes Gearbox Problems?

Shuddering, Slipping or Not Changing Gear Properly?

Mercedes automatic gearboxes tend to show the same warning signs when something is starting to go wrong. Whether your Mercedes is shuddering through the 7G-Tronic, slipping on the 9G-Tronic, refusing to change gear smoothly on a wet-clutch 7G-DCT, or showing a transmission warning on the instrument cluster or MBUX display, we will help identify the problem before any repair work begins.

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Common Mercedes symptoms

  • Transmission warning on the instrument cluster or MBUX display
  • Harsh shudder or jolt when pulling away from rest
  • Gearbox slipping or hunting between gears under acceleration
  • Delayed or refused engagement in drive or reverse
  • Whining, grinding or clunking under load

What we can fix

  • Mercedes 7G-Tronic and 7G-Tronic Plus repair and rebuild
  • Mercedes 9G-Tronic automatic repair and rebuild
  • Torque converter replacement and reconditioning
  • Valve body and conductor plate repair
  • Full gearbox diagnostic from £30

Speak to a Mercedes gearbox specialist today

Tell us what your Mercedes is doing and we will point you in the right direction. Gearbox repairs, rebuilds and engine faults all covered.

  • Mercedes fault diagnosis
  • 7G-Tronic and 9G-Tronic automatic specialists
  • Fixed quote before any work starts
  • Free collection across the Midlands
Call 01922 666376 Or send an enquiry

Not sure what the fault is? Describe the symptoms and we will help identify the likely next step.

* Timeframes are estimates based on typical jobs. Actual turnaround depends on the specific fault, parts availability and current workshop capacity. We confirm a firm timeframe when you book.

Ways We Can Help

Mercedes Gearbox Types We Repair and Rebuild

Mercedes automatic transmissions each fail in their own way. Find yours below.

Mercedes 7G-Tronic Automatic
C-Class, E-Class, S-Class, GLC, GLE, CLS and SLK models
  • Harsh or delayed gear shift diagnosis and repair
  • Conductor plate inspection and replacement
  • Valve body repair and replacement
  • Transmission fluid flush using Mercedes-approved fluid
  • Full system test and road test before handback
Mercedes 9G-Tronic Automatic
C-Class, E-Class, GLC, GLE, GLS, A-Class and CLA models
  • Torque converter inspection and replacement
  • Harsh or delayed gear shift diagnosis
  • Transmission fluid and filter service
  • Solenoid and valve body repair
  • Full automatic gearbox rebuild or replacement
Torque Converter Repair
7G-Tronic and 9G-Tronic automatic models
  • Torque converter shudder diagnosis at motorway speeds
  • Lock-up clutch inspection and replacement
  • Torque converter reconditioning and rebalancing
  • Transmission fluid and filter replacement
  • Full torque converter replacement with 12-month warranty
Diagnostics
Not sure what the fault is? Start here
  • Full gearbox diagnostic from £30
  • Mercedes-compatible fault code reading and interpretation
  • Fixed quote provided before any work starts
  • Diagnostic fee deducted from repair bill
  • Free collection and delivery across the Midlands
£30 Gearbox Diagnostic
Up to 60% Less Than Main Dealer
FREE Collection & Delivery
0% Finance Available
No Disruption to Your Day

Free Collection and Delivery Across the Midlands

We collect your Mercedes from home or work anywhere in the Midlands, carry out the gearbox or engine repair, and bring it back once the job is done. No drop-off required, no extra charge.

Get a fixed quote today. Fill in the form and an advisor will come back to you, or call us now on 01922 666376.


Make an Enquiry
Gearbox Repair & Rebuild

Mercedes Gearbox Repair and Rebuild in the Midlands

We carry out the full range of Mercedes gearbox work across the Midlands, with savings of up to 60% on main dealer prices. Every job uses manufacturer-approved parts and is covered under Block Exemption, so your warranty is never at risk.

Common Mercedes Gearbox Faults

Mercedes 7G-Tronic and 9G-Tronic automatic transmissions both develop recognisable fault patterns. The most common faults we see from Midlands customers include:

  • Harsh jolt or shudder when engaging drive from rest
  • Gearbox not selecting or holding gear in drive or reverse
  • Transmission warning on the instrument cluster or MBUX display
  • Slipping or hunting between gears under acceleration
  • Whining, clunking or grinding noises under load
  • Torque converter shudder at motorway speeds
  • Transmission fluid leak from gearbox casing or cooler pipes
  • Delayed or refused engagement after selecting drive or reverse

Mercedes Gearbox Services

We diagnose with Mercedes-compatible specialist equipment before recommending any work. You get a fixed price for the exact repair needed, whether that is a component fix, a full rebuild or a replacement unit.

  • Gearbox diagnostics
  • Mercedes 7G-Tronic automatic repair and reconditioning
  • Mercedes 9G-Tronic automatic repair and reconditioning
  • Torque converter replacement and rebuild
  • Gearbox filter and fluid replacement
  • Conductor plate and valve body repair
  • Full gearbox rebuild
  • Replacement transmission with warranty

Your Warranty Is Fully Protected

Under Block Exemption you are legally entitled to use any qualified specialist without losing your Mercedes manufacturer's warranty. We use approved parts on every job. Your warranty stays intact and you pay far less than main dealer labour rates.

Call us on 01922 666376

Get a fixed quote or request a call back

Get a Quote
Mercedes Transmission Specialists

Mercedes Gearbox Repair, Reconditioning and Replacement Across the Midlands

Gearbox Repair and Reconditioning

Service4Service Midlands carries out Mercedes gearbox repairs and full gearbox reconditioning across Birmingham, Coventry, Wolverhampton, Leicester and all surrounding Midlands areas. Every job uses manufacturer-approved parts and qualified transmission technicians.

We are an independent Mercedes gearbox specialist, not a general garage. Gearbox and transmission repair is all we do. Mercedes 7G-Tronic and 9G-Tronic automatic transmissions across all Mercedes models including the A-Class, B-Class, C-Class, E-Class, S-Class, CLA, CLS, GLA, GLC, GLE, GLS, SLC and V-Class.

Reconditioned Gearbox Supply and Fit

Where a repair is not economical, we supply and fit quality reconditioned Mercedes gearboxes as an alternative to main dealer replacement pricing. A reconditioned unit is stripped, inspected, rebuilt to specification and tested before fitting. All reconditioned gearboxes supplied and fitted by Service4Service Midlands carry a 12-month guarantee.

We also carry out Mercedes torque converter replacement, conductor plate repair and valve body repair alongside gearbox work, and include a gearbox oil and fluid service as standard on all transmission jobs.

Midlands Coverage

We collect and return Mercedes vehicles for gearbox repair from across the Midlands including Birmingham, Coventry, Wolverhampton, Walsall, Solihull, Leicester, Derby, Nottingham, Stoke-on-Trent, Shrewsbury and all surrounding areas. Our free collection and delivery service covers all of it.

If your Mercedes cannot be driven, we also offer vehicle recovery. Call 01922 666376 to arrange collection or to get a fixed quote for your Mercedes gearbox repair in the Midlands.

Gearbox Servicing in the Midlands

Looking for a Mercedes Gearbox Service?

We hear this all the time from Mercedes owners across the Midlands. Someone books in expecting a routine gearbox service, but the real reason they called is because the gearbox is already showing signs of a fault. A harsh jolt when engaging drive in stop-start traffic. The 7G-Tronic hesitating between lower gears. A transmission warning appearing on the instrument cluster or MBUX display. A whining or clunking noise under acceleration. What they actually need is a gearbox diagnosis and repair, not a routine service.

At Service4Service Midlands, we specialise in Mercedes gearbox repairs, gearbox rebuilds, 7G-Tronic reconditioning and 9G-Tronic automatic diagnostics across all models. We do not carry out routine Mercedes servicing. Gearbox and transmission repair is what we do every day.

As part of every Mercedes gearbox repair or rebuild, we carry out a full transmission fluid and filter service using manufacturer-approved gearbox oils and replacement components. Clean transmission fluid is particularly important on the Mercedes 7G-Tronic, where degraded fluid is one of the leading causes of harsh shifts, conductor plate failure and early valve body wear.

If your Mercedes gearbox does not feel right, there is usually an underlying fault causing it. Early gearbox diagnostics can often prevent further internal damage and reduce the overall repair cost.

Call our Mercedes gearbox specialists and describe the symptoms you are experiencing. In many cases we can tell you over the phone whether your Mercedes is likely to need a torque converter repair, 9G-Tronic valve body repair, transmission rebuild, fluid service or further diagnostic testing before the vehicle even arrives with us.

When people say gearbox service, they usually mean one of these

  • Transmission fluid and filter change on a 7G-Tronic or 9G-Tronic automatic
  • Diagnostic check for a transmission warning light or fault code
  • Investigation of shudder, jolt or harsh shifting
  • Conductor plate or valve body inspection on a 7G-Tronic automatic
  • Torque converter shudder diagnosis on a 9G-Tronic automatic
  • Pre-purchase inspection on a used Mercedes

We carry out all of the above as part of our gearbox repair and diagnostic work. If the fluid change resolves the issue, that is all we charge for. If the diagnostic finds something more serious, you get a fixed quote before we touch anything.

Call 01922 666376
Engine Repairs

Mercedes Engine Repairs in the Midlands

Manufacturer-approved parts. Warranty fully protected.

As well as gearbox work, Service4Service Midlands handles Mercedes engine repairs. Engine management lights, timing chain problems, turbocharger faults, head gasket failures and misfires are all diagnosed and fixed at a fraction of main dealer cost.

We cover all Mercedes petrol and diesel engines including the 1.3 M282 four-cylinder, 1.5 M264 mild-hybrid, 2.0 M264 petrol, 2.0 OM654 diesel, 3.0 M256 inline-six petrol, 3.0 OM656 diesel, 4.0 M177 AMG V8 and 6.0 M279 AMG V12 units fitted across the A-Class, C-Class, E-Class, S-Class, GLC, GLE, GLS, CLA, CLS, AMG GT and V-Class ranges.

  • Engine management light diagnosis and reset
  • Timing chain and timing gear replacement
  • Head gasket repair and replacement
  • Engine misfires and turbocharger running faults
  • Turbocharger inspection and repair
  • Warranty repairs undertaken

Get a Quote
Mercedes engine repair Midlands
Why Choose Us

Why Mercedes Owners in the Midlands Use Service4Service

Gearbox repair is all we do. Here is what that means for you.

Mercedes Gearbox Specialists

7G-Tronic and 9G-Tronic automatics are all within our daily workload. We know the failure patterns, have the right diagnostic software, and carry the parts.

Up to 60% Less Than Main Dealer

Same approved parts, same quality of repair. The saving comes from our labour rates, not corners cut. Our price match guarantee covers every job.

Fixed Prices, No Surprises

We find the fault, give you a fixed price, and only start work when you have approved it. The £30 diagnostic fee comes off your bill if you go ahead.

Free Collection & Delivery

We collect from home or work anywhere across the Midlands and return the car once the job is done. No need to arrange a drop-off.

Warranty Always Protected

Every job is Block Exemption compliant. Approved parts, qualified technicians, your manufacturer's warranty fully intact on every repair.

0% Finance Available

Spread the cost of your repair over 4 months at 0% interest. Ask when you book.

Common Questions

Mercedes Gearbox Problems in the Midlands: What Owners Ask Us

Common questions from Mercedes owners in the Midlands, answered by our technicians.

Why is my Mercedes shuddering or jolting when changing gear?

This is one of the most common complaints we receive from Mercedes owners with 7G-Tronic and 9G-Tronic automatic gearboxes. The C-Class, E-Class, GLC and GLE are the models we see most frequently. A shudder or jolt on pull-away or during low-speed gear changes is most commonly caused by torque converter lock-up clutch wear, a failing conductor plate, degraded transmission fluid that has lost its friction properties, or a fault within the valve body. It is most noticeable in slow-moving traffic or when the gearbox is selecting first or second gear. Some owners assume it is a characteristic of the transmission. It is not. Left long enough, the fault worsens and accelerates internal wear across the torque converter and valve body assembly. A transmission diagnostic will confirm the cause quickly.

We repair and recondition Mercedes 7G-Tronic and 9G-Tronic automatics across the Midlands. Most torque converter and valve body jobs are completed in one to two days*.

What does the transmission warning mean on a Mercedes?

A transmission warning message on a Mercedes, whether displayed on the instrument cluster or MBUX screen, typically means the 7G-Tronic or 9G-Tronic automatic has detected a fault with the conductor plate, solenoid pack, torque converter, transmission temperature sensor, or valve body. In some cases the gearbox will enter a reduced-function or limp-home mode with limited gear selection available. Do not ignore a transmission warning on a Mercedes. The 7G-Tronic in particular relies on precise hydraulic control via the valve body and conductor plate. Running the gearbox with an active fault will rapidly accelerate internal wear, turning a manageable repair into a full rebuild.

We have Mercedes-compatible specialist diagnostic software to read transmission fault codes and the parts to fix them correctly. A diagnostic starts from £30.

How much does a Mercedes gearbox repair cost in the Midlands?

It depends on the gearbox type and the specific fault. A 7G-Tronic conductor plate replacement and a 9G-Tronic torque converter repair are very different jobs in terms of parts and labour. Our prices are up to 60% less than a Mercedes main dealer for the same quality of work using approved parts. We quote a fixed price before we start. There are no hidden charges and the £30 diagnostic fee comes off your repair bill if you go ahead.

Call 01922 666376 for a ballpark figure on your specific model and fault.

Can I drive my Mercedes with a gearbox fault?

Some faults allow short journeys but most worsen quickly under load. If your Mercedes has a transmission warning, is shuddering badly when pulling away, is refusing to select drive or reverse, or is making grinding or clunking noises under acceleration, you should not drive it further than necessary. Continuing to drive with an active Mercedes 7G-Tronic or 9G-Tronic fault almost always accelerates internal wear across the valve body, conductor plate and torque converter, turning a repairable fault into a full rebuild or replacement. We offer vehicle recovery across the Midlands if your car cannot be driven to us.

Is it worth repairing a Mercedes 7G-Tronic or 9G-Tronic gearbox or should I replace it?

Repair or reconditioning is almost always cheaper than full replacement. A new or remanufactured Mercedes automatic unit is expensive regardless of who fits it. The majority of Mercedes 7G-Tronic and 9G-Tronic automatic gearbox faults are repairable. Conductor plate wear, valve body faults, solenoid failure, torque converter shudder and fluid degradation can all be resolved without replacing the whole gearbox. We diagnose first, quote second, and only start work when you approve it. We will only recommend a full replacement if the unit is beyond economic repair. You will not be sold unnecessary work.

Will repairing my Mercedes gearbox affect my manufacturer's warranty?

No. Under Block Exemption legislation you have the legal right to use any qualified independent specialist without voiding your Mercedes manufacturer's warranty. The only conditions are that approved parts are used and the technicians are qualified. We meet both requirements on every job. This applies whether your Mercedes is still under the original warranty or an extended warranty. You do not have to go to a Mercedes main dealer to keep your warranty intact, and you will almost certainly pay significantly less with us.

What are the most common Mercedes 7G-Tronic and 9G-Tronic automatic gearbox problems?

The Mercedes 7G-Tronic has a number of well-documented fault patterns. Conductor plate failure is the most frequent cause of erratic gear selection, fault codes and transmission warnings. Valve body wear causes harsh, delayed or refused shifts. Transmission fluid degradation accelerates internal wear and is a primary cause of early gearbox failure across C-Class and E-Class models. Torque converter shudder at motorway speeds is a

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